New Patient-Friendly Way to Make Stem Cells for Fight Against Heart Disease

 New Patient-Friendly Way to Make Stem Cells for Fight Against Heart Disease

 
 Nov 30 their research was published in the journal Stem Cells: Translational Medicine.
Study, British Heart (BHF) Foundation, Medical Research Council (MRC) and the Wellcome Trust funding, the scientists a way that they encourage a normal blood cells from pluripotent stem (IPS) cells (3) the need to determine the model to get.may need in IPS cells.
Dr. Amir Rana and his colleagues at the University of Cambridge in the blood and isolated lab known as the "result of late endothelial progenitor cells in patients increased (L EPCs) into IPS cells. IPS cells in the body can be transformed into any other cell, including blood vessel cells or heart cells - using a cocktail of chemicals.a. elderly - all while sampling blood for patients is normal.
Researchers frozen "and storing blood cells, IPS cells and then later turn them, change them as soon as they are received, instead of, as previously used for other cell types matter can have fun. practical value - using patient samples from the date prolonging ".
used for the treatment of patients can be obstacles to overcome. '
Dr. Paul Colville Nash, MRC and regenerative medicine program manager, said: "IPS cell technology lab based model of disease, the disease will understand and use new drugs can be tested, as well as constructionIn order to increase the application must support to achieve by being able to produce. "

Risk of Childhood Obesity Can Be Predicted at Birth

 Risk of Childhood Obesity Can Be Predicted at Birth

 
More on a simple formula ONE PLOS Open Access Journal published a study in a child's chances of being obese in childhood can predict.
Formula, which is available as an online calculator, child obesity her birth weight, parental body mass index, based on the number of people at risk is estimated, mother's occupational status and whether they smoked during pregnancy.
Early childhood obesity, type 2 diabetes and heart and circulatory disease is a major cause, and is becoming more common in developed countries. According to NHS statistics, 17 per cent of the boys and two girls aged 15 in England, 15% are classified as obese.
Researchers followed 4,000 children born in Finland in 1986 using data from a study prepared formula. He initially investigated whether profiles using genetic obesity risk assessment can, but tests based on the common genetic variation have failed to predict accurately. Instead, they found that non-genetic information readily available at the time of birth was enough to predict which children will become obese. In the Finnish cohort formula proved valid, but study in Italy and the United States using data from tests
He said: "It takes very little examination, lab tests do not need it and it does not cost anything," Professor Philippe Froguel of Imperial College London, said the study led by public health of the school.
About 20 per cent of children most at risk, 80 percent of obese children is predicted. The researchers suggest that services such as dieticians and psychologists high-risk families with children can be introduced to assist in the prevention of excessive weight.
Professor Froguel said: "This is roughly once a small child, it is difficult for them to lose weight, then the best strategy is prevention, and as soon as possible as it is to start, ".may be. '
In order DNA testing for mutations in the price of technology falls Doctors may be available in the next few years.
Harvard University in the United States and Verona, Italy's University, Imperial researchers Oulu, Finland in collaboration with university colleagues have studied. Work in the Medical Research Council, Imperial College London, Oulu University NATIONAL DE LA Recherche Scientifique and the Centre was funded by.

First Evidence of Ocean Acidification Affecting Live Marine Creatures in the Southern Ocean

 

Shells of sea snails - pteropods known as - in the ocean around Antarctica for a new journal Nature Geoscience, according to a study published this week by ocean acidification is being dissolved. For small animals, fish and birds are a valuable source of food and marine carbon cycle plays an important role.
During a science cruise in 2008, the British Antarctic Survey (BAS) and the Woods Hole oceanographic institution, the University of East Anglia and national marine and atmospheric administration (NOAA) together with colleagues from (UEA), the researchers discovered serious breaches of the Southern Ocean The shells of pteropods in the waters.
The team inspected the area of ​​upwelling, where cold winds from deep water towards the ocean bottom pushed out of the top. Upwelled a specific type of water usually calcium carbonate (aragonite) pteropods use to build their shells are corrosive. The team found that ocean acidification as a result of the additional influence, the shells of pteropods dissolve corrosive deep water.
Ocean acidification caused by burning fossil fuels emitted as carbon dioxide in the atmosphere is due to take over. A large number of laboratory experiments on marine biology potential impact of ocean acidification is demonstrated. However, date, such models continue to live in their natural environment's impact has been very little evidence. Search the marine ecosystems and food webs to predict the effects of ocean acidification is important to support perhaps.
Lead author Dr. Nina Bednaršek, the boss and the UEA, and now a national marine and atmospheric administration (NOAA) of the said: "We know that a certain depth below sea-water shells is aragonite corrosive - the is 'saturation horizon' -., which is found in the depths around 1000m, in one of our sampling sites, we found that the natural upwelling and ocean acidification 200m in depth through a combination ofIn addition, as a result of induced carbon dioxide, dissolved attended. "
Science Cruise co-author and leader boss Dr Geraint Tarling, said: He said that although upwelling sites are natural phenomena that occur in the Southern Ocean, where, for example, saturation horizon 'overA good indication of the health of a major food source. Are.'
Co-author Dr Dorothee Bakker from the University of East Anglia, said: "Climate Model winds in the Southern Ocean during the 21st century, the continued rapid increase in carbon dioxide in the atmosphere response to this, it was operated and will increase the upwelling. possible to make an example of deep water - in which aragonite drive - faster than in the upper ocean current forecast for aragonite-saturation horizon in the winter of 2050 South Ocean reach the upper level layers., and by the year 2100.
The Research UK Natural Environment Research (NERC) Council and the European Union Curie Early Stage Training Network was funded by.

Rapid Changes in Climate Don't Slow Some Lizards

 Rapid Changes in Climate Don't Slow Some Lizards

 
Cold tolerance stiffer than a tropical lizard scientists had suspected. A new study reveals that the lizard Anolis cristatellus Puerto Rican Miami have adapted to the cold winter. The results also suggest that the lizard climate change due to temperature variation may be able to afford.
is, "Duke biologist Manuel Leal, co-author of the study, of which 6 American naturalist appears in the December issue.
Scientists have already proposed that the lizard was cold-blooded, the temperature or cold would not be able to afford to adopt.
Humans, however, around 1975 Miami Puerto Rican Native A. cristatellus is introduced. In Miami, Puerto Rico cold of the winter the average temperature is about 10 degrees Celsius. Average summer temperatures are similar.
Leal and his graduate student Alex Gunderson Pinecrest area of ​​Miami and Puerto Rico in the northeastern A. cristatellus occupied. North Carolina lab animals, they brought them back, a lizard cloaca slid a thermometer and a series of cold wind chill temperatures. The scientists then looked after himself well, he flipped on his back was so easy for lizards.
Miami lizard from Puerto Rico myself temperature of 3 degrees Celsius cooler than the lizards were flipped. Flip animals on the low-temperature cold temperatures, which is beneficial when the air temperature reduction potential, Leal said the high tolerances.
,,. " He said.
On this occasion, temperatures at least as important, is not dead lizard. They have lost control of their coordinates.Body temperature too cold for the muscles to work properly, "he said.
Leal explained that 3 degree Celsius difference "This relatively large and when we take into account that it is located about 35 generations, is also impressive." Change most a few hundred thousands or millions of years of evolution on a time scale is. Thirty-five years is a time scale during which there is a human life, then we can observe the progress of change, he said.
Cold tolerance in lizard "for some tropical species provides a glimpse of hope," Leal said, cautioning that the scientists do not know how quickly tolerance to high temperatures - climate change and the The result - can develop.
Gunderson said he and other lizard species studied to test heat tolerance to cold temperatures can adjust the test is working well.

Hubble Space Telescope discovers loose spiral galaxy

 Hubble Space Telescope discovers loose spiral galaxy

 
Astronomers a new loose spiral galaxy full of gas and dust seen in the claim, NASA / ESA hubble space telescope using.
, NASA said in a statement galaxy ESO G37 499 Hydra, which is shared with Antlia Star is located at the southern border.
Milky Way spiral arms are large amounts of gas and dust, and often in areas where new stars are constantly making.
Most feature a bright center of galaxy is elongated. bulging central core usually has the highest density of stars in the Galaxy, where usually a large group of relatively cool old stars compact, spheroidal region is packed in contains.
A common feature of many spiral galaxies running across the center of the galaxy is present. The center bars with spiral arms as a mechanism that channels gas to work, thinking, star formation is enhanced.
Recent studies suggest that ESO 499-G37 sits in the center of a small bar with a few hundred tenth year of light about the size of a typical galactic bar.
The astronomers believe that the formation of galactic bulges in small bars because they are internal to external areas from demolition can provide a mechanism can.
However, the relationship between time and still create the bulge bars in spiral galaxies is not universal feature is not clear.
This is a joint European Southern Observatory (ESO) and Uppsala Observatory, La Silla Observatory, who, Chile, ESO 1 m Schmidt telescope, used in a large part of the southern sky, looking for stars, galaxies status initiated by Map was planned, clusters, and planetary nebulae.
And infrared galaxy surveys show a high degree camera with the wide field channel was imaged using investment. Field of view is about 3.4 arcminutes wide.

Manipulate light on a microchip Metamaterials

Manipulate light on a microchip Metamaterials

Penn State University ScienceDaily (23 November, 2012) - transformation optics and metamaterials using a set of new tools, engineers small optical devices based on the chip can be used in optical integrated circuits designed for is equivalent electronic circuits that integrate computer and mobile phone possible.
In the short term control of light on a microchip, optical communication and can improve the sensing material interacts with the electromagnetic waves are allowed. In the medium term, integrated optical circuits for infrared imaging systems are possible. That way lies more high-speed optical computing. Equality leading the way forward, and the construction of structures smaller than wavelength of light requires some twists.
A refraction phenomenon can be seen in the way light bends naturally as a wealth of other cross bow is a stick in the water. On such a hot day on the road or desert mirages shimmer illusion of water, hot and cold air layers are due to the difference in refractive indices. New field of transformation optics (TO) in the 150-year-old Maxwell in a strict mathematical method metamaterials, custom designed artificial formation with refractive indexes, known as the equation of propagation of light structure applicable Bending the Light uses this trend. the most famous of metamaterials cloaking devices and applications are excellent lenses, but they are only the tip of the iceberg theory.
Science and Applications, Nature Publishing Group, Electrical Engineering Professor Douglas Werner,, and their positions and PhD DOC published by Wu Qi: A new online student newspaper Jeremiah Journal Turpin change in light optics using a single platform for the design of practical devices offer a unified theory. Werner says that "the field (change optics) is in its early stages, therefore, be a part of,". "Our major contribution is figuring out how with simple material parameters for design without affecting performance, and devices connected together to form a chip is integrated photonic systems."
In addition, the design of light collimators, take the light from a source and one or more tightly focused beam, waveguide couplers, which connect different size waveguides splitters, the waveguide input two or Production and distribution of electricity in more than waveguides are focusing, waveguide crossings, loss or crosstalk in the compact spaces without light and benders, without loss around the corner street light turn. These devices only five to ten microns in size, and therefore several centimeters in size can fit on a chip.
"This is a common design for this transformation optics devices and have been trying," Werner said. Jeremy refuses design tools behind artificial Qi is developing algorithms written. Application targeted to achieve the best design, virtual Thousands powerful optimization technique developed in our group using can perform. '
Transformation optics devices that diverse, with simple functions can be added and optical communications, imaging, computing and photonic sensing system for building complex, the authors said. The present approach, a variety of methods and materials that can be integrated on a single platform using the device's design. Werner Group's technology, on the other hand, there are holes or bars such as sample index metamaterial structures, silicon on insulator photonic chip a platform system that integrates easily, ratings, employees broad bandwidth and low loss.
Werner described in the paper will design all realistic with current fab process can build, said. "It's like CAD tool," he explains, computer-aided design tools used in manufacturing referring to. He said optical device design changes for custom optics is denied and optimization tools as well. "He continued," These new tools that are flexible enough then there is all that opens the possibility of creating. '
Partial support for this work was provided by NSF MRSEC.

Farmed salmon nutrients from waste could feed marine industry

Farmed salmon nutrients from waste could feed marine industry

ScienceDaily (23 November, 2012) - salmon production from waste waters off the coast of Norway is. Researchers say this is a medium - NOK 6 billion worth per year - for a new biological product will be exploited.
2009 Norway fish salmon and salmon fish farms produce over a million tons, 1.2 million tons of high quality feed and went into production. But administered products breathing in plenty of feed, faeces and uneaten feed around the water continues.
This means that an important part of aquaculture feed industry actually both organic and inorganic waste is fertilising the ocean with nutrients. The cost of these nutrients is estimated at NOK 6 billion annually.
High economic growth, low pollution
Project "Integrated aquaculture sea water high yield (integrated) areas for sustainable culture technology," researchers studied the kelp waste and / or mussels harvested for use as nutrients can be is. The science and (NTNU) Norway University of Technology Associate Professor Kjell Inge Reitan was led by the Research Council of Norway's initiative to promote sustainable seafood production as part of the funding 've received.
"The integrated approach than trophic aquaculture (IMTA) significant investment in aquaculture will provide added value," explains Dr. Reitan, "while at the same time reduce the potentially adverse environmental effects have to. "
Environmental organizations are important aquaculture waste harmful to the environment.
Kelp can help: Many application areas.
Carrying out experiments in a research institute SINTEF researchers documented the harvest of kelp aquaculture facilities is progressing well. Mussel cultivation under similar conditions shows promise.
Kelp inorganic nitrogen and phosphorus discharged by fish farms are required in large quantities. Norway, one of the most common species of macroalgae, Laminaria saccharina - sea kelp strip or sugar is known as - especially for use as biofuel and feed additive for industrial and chemical grow out It's a promise. Dr. Reitan to mass with several companies on kelp cultivation for the production of bioenergy cooperation is seen.
"The growth in bioenergy production and feed needs to be encouraged by the players," stressed Dr. Reitan it. "I can not believe kelp salmon farming industry trade in agriculture will be added in the near future, the integrated production industry will increase sustainability and greener profile."
Kelp should grow all year
Produced in Norway by industrial discharge on the basis of statistics, researchers from kelp IMTA process 1.7 million tons of annual capacity is estimated at 0.6. IMTA mussels harvested using methods for the assessment of capacity is 7 200 21 500 tonnes. The scale cultivation of 82 250 square kilometers of sea area will need. Worldwide, approximately 14 million tons of aquatic plants are harvested annually.
Kelp is harvested year-round effort required skill. SINTEF researchers in the artificial cultivation of year-round sugar kelp sporophytes (juvenile plants) has successfully organized.
SINTEF research scientist Silje Forbord said "This strong growth potential of kelp possible when conditions are favorable exploit that."
mussel cultivation Quadrupling
Researchers estimate that Norway IMTA salmon production methods using waste to use nutrients that four times current annual capacity of 3 mussels 000 5 000 tons of agricultural crops to achieve.
Research Council's Research Programme Aquaculture - Growth (HAVBRUK) an industry "aykuaklcr exploitation of nutrients from salmon (exploitation)" research project is to determine how to find and cultivate kelp and mussel maximum use of facilities loss of nutrients designed to aquaculture industry.

Bubble eyes a loose spiral galaxy

Bubble eyes a loose spiral galaxy

ScienceDaily (23 November, 2012) - NASA / ESA hubble space telescope spiral galaxy ESO 499 G37, a distant background galaxies are scattered with stars against a nearby want to see here.
Seen from the perspective of a galaxy, the spiral nature of bubble clearly is allowed. Unconscious, loose spiral galaxy arms around the center of the swirling bluish features that can be recognized as. The blue tinge hot, young stars located in the spiral arms emanates. Milky Way spiral arms are large amounts of gas and dust, and often in areas where new stars are constantly making.
Most feature a bright center of galaxy is elongated. bulging central core usually has the highest density of stars in the Galaxy, where usually a large group of relatively cool old stars compact, spheroidal region is packed in contains.
A common feature of many spiral galaxies running across the center of the galaxy is present. The center bars with spiral arms as a mechanism that channels gas to work, thinking, star formation is enhanced.
Recent studies suggest that ESO 499-G37 sits in the center of a small bar with a few hundred tenth year of light about the size of a typical galactic bar.However, the relationship between time and still create the bulge bars in spiral galaxies is not universal feature is not clear.
Galaxy ESO G37 499 Hydra, which is shared with Antlia Star is located in the southern border.
ESO 499 G37 ESO (B) Atlas survey ESO / Uppsala in the late seventies was observed for the first time. This is a joint European Southern Observatory (ESO) and Uppsala Observatory, La Silla Observatory, who, Chile, ESO 1 m Schmidt telescope, used in a large part of the southern sky, looking for stars, galaxies status initiated by Map was planned, clusters, and planetary nebulae.
This photo is visible to infrared survey advanced camera with the wide field channel investment was made. Field of view is about 3.4 arcminutes wide.

Scientists discover dwarf planet 'Makemake' sans atmosphere

 Scientists discover dwarf planet 'Makemake' sans atmosphere

 

Astronomers have discovered that about two-thirds the size of Pluto the dwarf planet, is the lack of atmosphere.
Pluto is a planet way round, but after that Eris, the solar system's most massive known dwarf planet closest to the sun in the 'Makemake' journey around the sun.
The last comments showed that chilly Makemake with her as dwarf planets, some astronomers that environment, if the expected, like Pluto are leading.
But a new study Jose Luis Ortiz (Instituto de Astrofisica de Andalucia, CSIC, Spain) led by astronomers felt like the Eris, Makemake is surrounded by an environment.
Very large telescope (VLT), new technology (NTT) of the telescope and TRAPPIST (TRAnsiting planet and PlanetesImals small telescope) - European Southern Observatory more than one (ESO) La Silla and Paranal in Chile with three telescopes using sites Comments of the joint team - along with other small telescopes in South America Makemake look at the data passed in front of the star.
Makemake is passed in front of the star blocked out, star disappeared and reappeared very suddenly, but gradually brightening and fading out. This means that this small dwarf planet has no significant atmosphere, "said Jose LUIS Ortiz.
"They thought it was a good opportunity to create a climate of Makemake - a sign that all is one that shows how far we learn about these mysterious bodies Makemake features for the first time I know the feeling icy dwarf planet club's chosen major step forward in our study, "Jose LUIS Ortiz said in a statement.
Team a more detailed view of new comments Add Makemake - The most accurate way to determine the size, can put constraints on the environment and the intensity of dwarf planet for the first time estimates.
The albedo - they also astronomers measure how much light the surface reflects the sun Makemake is allowed.Makemake albedo of 0.77 dirty ice, Pluto higher, but less than that of Eris.
It is only possible to see this kind of detail Makemake he passed in front of a star - a spectacular event known as occultation.
Occultations Makemake is a particularly unusual because of the relatively few stars in the sky move into an area. Accurately predict and rare events are difficult to identify.
Pluto, Eris, and the examples orbiting our sun among several glacial period are Makemake, "said Jose LUIS Ortiz.
will be able, ".
Makemake still five dwarves Astronomy recognized by the International Union of Planets is one. Others Ceres, Pluto, Haumea and Eris are.

Fetuses in the womb, according to new research Yawn

 Fetuses in the womb, according to new research Yawn

ScienceDaily (22November, 2012) - We know that newborn babies hiccup in the womb swallow new observational study, and concluded that they constantly yawn.
Durham and Lancaster universities from 15 healthy fetuses,, 4D scans also suggest that yawning is a developmental process that doctors and potentially the health of a fetus can list.
Research journal, is published on November 21 in PLOS One.
Although some researchers have suggested that fetuses yawn, others disagree and claim it is easy to open mouth.
But new research clearly 'non-yawn open mouth open mouth on a period of' yawning 'distinguished. Researchers working in all cases where the fetus has sustained into the mouth of a 4D video using footage from it.
Using these criteria, new development, the research team found that more than half of opening the mouth yawns observed in the study was made.
Studied eight female and seven male fetuses 24 to 36 weeks gestation was. Researchers have found that yawning 28 weeks in decline and that yawning frequency between boys and girls was no significant difference.
Although the function and significance of yawning is still unknown, the results of study of fetal growth will think that yawning may be associated, and the unborn child's health can provide a further medical indication.
Durham University Psychology Department researchers led by Dr. Nadja Reissland, said: "The results of this study demonstrate that yawning can be observed in healthy fetuses and fetal yawning extends previous work from our longitudinal study shows decreased with increasing age of the fetus yawning.
"Fetuses contrast, we do not contagiously yawn, yawn because he or she is asleep instead of yawning frequency in stomach early gestation will mature brain may be linked.
He said yawning maturation of the central nervous system, but further research involving mother and fetus will be test this theory.

Beneficial Microbes Are 'Selected and Nurtured' in the Human Gut

 Beneficial Microbes Are 'Selected and Nurtured' in the Human Gut

 

Led by the University of Oxford and a new open access Journal PLOS Biology on November 20 published a study in man and animals, including gut microbes actively select the best partner and nutritious secretion that their candidates .

Oxford team, gut microbes and animal gut lining (epithelial cell layer of the host) an evolutionary computing model, made of a conversation between. Model shows that the slow-growing beneficial microbes are rapidly lost, and the specific nutrients, beneficial microbes that are harmful discharge host support, need help from .



The cells of our body are microbes that we are outnumbered by many, and especially, our gut, "Professor Kevin Zoology Department of Oxford University, an author of the new paper, said Foster . "We know that many gut microbes are very beneficial for us, protecting us from pathogens and help with digestion, but how to develop good bilateral relations, and how it is maintained, a mystery Some have been. "

Since the host epithelial cell layer is issued by, and shows. easy to control microbes before we thought it was. "

John Schulter, Oxford University Department of Zoology and the paper's first author also said: "in our gut but in a war zone like all kinds of microbes on the battle field to fight for survival is withThat means only survive but expand, pushing out any other strains. "

In the case of secretion of specific compounds formed by a very small amount of relatively small changes) to create a large-scale effect will be amplified.

Have a secret planet from the sun '

Have a secret planet from the sun '

The cost (HST).

Wasp -12 B, originally seen in 2008, a gas giant planet orbiting very close to its parent star is. Distance between star and planet is so small that only one planet in Earth Day is complete orbit of a star. The closeness "cooked" superheated gas cloud is about three times the radius of the star Jupiter feed. However, some of this gas has been increased by Interstellar space, a shroud surrounding the star.

Gas thin cloth, and optical light is barely noticed, but the new comments made with HST UV light were using. The team found that magnesium an element of clouds, which absorb the UV light is extremely effective. These wavelengths are highly sensitive weak presence of gas, and the star can appear completely invisible.

Wide Angle Search for Planets UK to study (wasp) Consortium, the Center for Astrophysics in 2008 from the HST, excellent activity, and Interstellar absorption cosmic plane Spectrograph on the planet as well, experts found, the researchers It was built by Space Astronomy at the University of Colorado.

Open University Dr Carole Haswell,, who led the study senior lecturer in astronomy that such a structure was ever observed around a star, he added: "It seems that covered planet death has been prepared. "

Mars Formed from Similar Building Blocks to That of Earth, Reveals Study of Martian Meteorites

 

Conel Alexander Wang Jianhua, including Carnegie and a team of scientists studied hydrogen from water Martian interior and found the building blocks of Mars from the ground up, but there were differences in the evolution of the two planets. This means that terrestrial planets, including Earth, are the sources of water - chondritic meteorites. However, unlike on Earth, Martian rock environment such as water contains volatiles, are not recyclable planet's deep interior.

December 1 to planet earth and their work in scientific papers will be published.

Most ethnic conflicts Mars, and water often surrounded by history. Martian southern hemisphere channels of water flowing sculpted speak loudly, but the area is pristine. As a result, planetary scientists often "warm and wet" as early as Mars and the Mars explained, "is cold and dry."

Debate in the scientific community focuses on how the planet's interior and crust and how they are different from the people of the earth. Martian water and other volatiles to investigate the history of NASA's Johnson Space Center in Houston, Carnegie, Lunar and Planetary Institute in Houston and a number of scientists and two water hydrogen isotopic crystals in Martian meteorites fall within compositions have been studied. meteorites, called shergottites were of the nature of Adam, but was rich in elements such as hydrogen, while others have been eliminated.

Used in the study of meteorites basaltic liquids are trapped, and ancient samples samples of different Martian atmosphere is unstable element. Martian meteorite from the planet's surface through a curtain to indicate little has changed. It's like a hydrogen isotopic composition of land. Martian meteorite is another layer that was in contact with the Martian atmosphere, this model shows that. Thus, meteorites water represent two very different sources. Samples of water and water from a deep interior of the planet Mars as it is based on, while the other represents the shallow crust and atmosphere samples.

He views the diverse compositions of Martian meteorites are competing for the account, "said Tomohiro Usui lead. They said no direct evidence from this study that the surface of Mars in Martian lavas Adam The content was. "

The two meteorites martian surface water hydrogen isotopic compositions of the Martian interior of the inferred geologic history has been different from water. Most likely, atmospheric water is lost preferentially space and light hydrogen isotope preferentially heavy hydrogen isotope (deuterium) is maintained.

Have included the enriched crustal meteor and atmospheric water can help solve the mystery. Martian meteorites components such as water, are enriched in an enrichment, from deep responsibility, or their interaction with Martian crust has been overprinted by?

"Enriched hydrogen isotopic composition of meteoric water clearly indicates that they have been overprinted, it's about the Martian meteorite scientists Martian mantle layer tells more about," Alexander said. . Instead, he said, other Martian meteorite find more information about the interior. '

of water in meteorites is also very different. Less than one means that the water concentration and the dry interior of Mars is. In contrast, 10 times more water enriched basalt from each other, suggesting that the surface of Mars at the same time can be very wet. So scientists now know that what we Martian meteorites Martian interior surface of the sample we tell you about are starting to talk about.

"Alexander" The geologic history of Mars to understand, about their environment both in need of more information,

Breakthrough Nanoparticle Halts Multiple Sclerosis in Mice, Offers Hope for Other Immune-Related Diseases

 Breakthrough Nanoparticle Halts Multiple Sclerosis in Mice, Offers Hope for Other Immune-Related Diseases

 

Nanotechnology and multiple sclerosis in an unusual move, a biodegradable nanoparticle shows a perfect vehicle for stealth tactics to stop the attack on myelin antigen to the immune system in mice remitting multiple sclerosis (MS) relapsing a supply control model is consistent with the new North West Medical Research.

Nanotechnology is a new type 1 diabetes, food allergies and the immune-mediated diseases including asthma as a form of allergic airway can be applied.

In MS, the immune system myelin membrane of the brain, spinal cord and optic nerve insulates nerve cells are attacked. When the insulation is destroyed, electrical signals can be effectively managed not, symptoms of paralysis or blindness to the light organs causing numbness. Approximately 80% of MS patients relapsing remitting form of the disease are diagnosed with.

North West Nanotechnology immune system as all current treatments for MS, the everyday infections and cancer patients have a higher rate of sensitization is not pressing. When the immune system are associated with nanoparticles myelin antigens in mice injected reset to normal. An alien invader and halts the attack as it prevents the immune system recognizes myelin.

Stephen Miller, studied Microbiology and Immunology couple of Gugenheim Research, Northwestern University Feinberg School of Medicine professor told the author: "This is a very important step in translational immunotherapy,". "The beauty of this new technology is that much of it can be used in immune-related diseases, we only change is that antigen.

"The holy grail is to develop specific therapy for pathological immune response, in this case the body attacks myelin," Miller said. The point is that our immune system to attack myelin, it is no longer maintained but leaves normal immune system function. '

nanoparticle, creating a simple and FDA approved material already made, Lonnie Shea, McCormick School of Engineering and Applied Science at Northwestern professor of chemical and biological engineering was developed by.

"This is a major milestone for Nanotechnology, of course you use the immune system can control," Shea said the same author. Paper in the journal Nature Biotechnology, will be published November 18.

Shea Miller, and also Robert H. Lurie Comprehensive Cancer Center of Northwestern University is a member. In addition, Shea BioNanotechnology is a member of the medical establishment and the Institute of Chemistry of life processes.

Key difference - Ms. clinical trial to test the same approach

With one key difference - how to study multiple sclerosis patients in a phase I / II clinical trial of this approach is being tested. Case of a patient uses his white blood cells - an expensive and labor processes - to provide antigen.He said.

The big advantage of Nanoparticle Immunotherapy

Nanoparticles have many advantages, they can immediately and in a laboratory for manufacturing quality. The general population would be a cheap and possible treatment. In addition, the nanoparticles poly (lactide co-glycolide) (PLG), lactic acid and glycolic acid in the human body consists of two metabolites of natural polymers are made from. PLG most commonly used for biodegradable sutures.

The fact that PLG is already FDA approved for other programs, patients should facilitate research translation, Shea noted. Shea Miller and tested nanoparticles of different sizes and found that 500 nanometers was most effective in modulating the immune response.

"We stopped for a future relapses 100 days in the life of an MS patient is equivalent to several years."

Shea and Miller also currently a diabetes type nanoparticles and airway diseases such as asthma treatment are testing.

Nanoparticles fool the immune system

In the study, researchers attached nanoparticles myelin antigens and injected intravenously into mice. Particles spleen, which filters blood and helps the body dispose of blood into the cells age and die. Hello, particles macrophages, immune cells, which then showed them a variety of cell surface antigens were engulfed by. Immune system blood cells die and there's nothing to worry about as seen nanoparticles. Myelin accountable directly inhibiting the activity of T cells and regulatory T cells by an autoimmune response more comfortable by increasing the number of immune tolerance to antigens produced.

"The key here is that the antigen / particle-based approach to induction of tolerance and target selection. General immunosuppression, autoimmune diseases for which current therapy is used in contrast, the new process does not close the immune system, "They said Christine Kelley, National Institute of Biomedical Imaging and National Institute of Health, Discovery Science and Technology to support the research director of the division of Bioengineering. Immunology and bioengineering expertise collaborative effort between the scientific potential of convergent approach to biomedical problems can be done is a terrible example. '

"We have an excellent team of Dr. Stephen Miller with academic scientists are proud of our expertise in clinical development," Scott Johnson, CEO, Myelin Repair Foundation's president and founder, said. "Nanoparticles couple of antigens think Dr. Miller Laboratory, Myelin Repair Foundation Drug Discovery Advisory Board and Dr. Michael Pleiss, Myelin Repair Foundation internal conversation between a member of the research team is pregnant, and we were concentrating our efforts for autoimmune diseases common to focus all patience with broad implications based, clinically relevant research and academic science, innovation out our unique research model that we have the technology commercialization and transfer funds. "important to ensure that the most important goal is designed to promote. Way to treat autoimmune diseases in the patients with MS and reach, has the best chance. '

View of apparent genetic DNA in skin cells

View of apparent genetic DNA in skin cells

ScienceDaily (18 November, 2012) - Current wisdom is that every cell in the body contains the same DNA. However, stem cells derived from skin, a new study found that genetic variation in body tissues, with deep implications for genetic screening in search of a large-scale researchers at Yale School of Medicine The're's.

A study published in the November 18 issue of Nature, gene conversion, and better understanding of human development and a way to evaluate the extent of disease paves.

"We found that human cells with different genomes are made of a masterpiece," lead author Dr. Flora Vaccarino, professor of child psychiatry at the Yale Child Study Center, Harris said.

Long-standing belief that our cells have the same DNA sequence and blueprint controls body functions. Yale research team believe this challenge. Some scientists hypothesized that during development, when cells from mother to daughter DNA is copied, deleted, duplications and may change in DNA sequence, and gene can affect an entire group. The base is incredibly difficult to evaluate, but this new research Vaccarino and her colleagues have also done so.

Induced pluripotent stem cell lines, the entire team (IPS), which developed from cells of different adult stem cells are used to study genome sequence. The two families grew cells taken from the inner upper arms. The team spent two years IPS cell lines characterizing these cells and compare them to the original as possible.

While the genome of the IPS cells from skin cells of origin of the genome is close, the team several deletions or duplications of DNA thousands of base pairs can be identified to include. The team performed additional experiments to understand the differences, and shows that at least half of them are already in the skin cells smaller products. These differences IPS IPS cells revealed because one line, or very little, is derived from skin cells has been. Vaccarino said his lines IPS acts as a magnifying glass genomic differences in body cells can watch the scene.

He has extensive skin and skin cell mosaicism in at least 30 per cent different DNA deletion or duplication, a small percentage of cells found in every port, "Vaccarino said." Somatic mosaicism of the observed genetic analysis, which currently only using blood samples for blood far-reaching consequences when we look at the DNA, the DNA of other tissues such as brain, not exactly reflect . Mutations Maybe we were missing. '

Vaccarino as "Read" Mark Gerstein, Sherman Weissman, Alexander Eckehart people including civilians worked with a team of researchers from laboratories, Neurodevelopment and regeneration program to work under supervision. Other authors on the study Alexej Abyzov, Jessica Mariani, Dean Palejev, Young Jong, Michael Seamus Haney, Livia Tomasini, Anthony Ferrandino, Lior A. Rosenberg Belmaker, Anna Szekely, Michael Wilson, Arif Kocabas, Nathaniel E. Calixto, including Elena L Grigorenko, Anita Huttner, and Katarzyna Chawarska.

Study NIH / NIMH, Simons Foundation, and is funded by the Connecticut State.

Two opposing ways unsolicited voluntary disclosure of human memory Forget

Two opposing ways unsolicited voluntary disclosure of human memory Forget

 (17 October, 2012) - Forget the wrong that was humiliating party last night PAS. It turns out, but we have two opposing ways in which the mind voluntarily to forget unwanted memories that allows, Cell Press journal by October 17, according to a study published in neurons. How to explain the results of experiments dealing with unnecessary control and treatment of memory disorders led growth can improve you can do.


Lead study author Roland MRC BENOIT said: "This research due to two distinct mechanisms before such a demonstration is another alternative memory from system memory to capture awareness with recall system to facilitate by providing other benefits, "Cognition and Brain Sciences Unit in Cambridge University's.

Previous studies have found that people with awareness can prevent voluntary memories. Although many neuroimaging studies of the brain mechanisms involved in a deliberately examined, the cognitive strategies that people use, or have not accurately reflect the strength of nerve. Two possible ways to forget unwanted memories or suppress their memories with more alternatives are needed, and this strategy can engage distinct neural routes.

To test this possibility, MRC Cognition and Brain Sciences Unit BENOIT and Michael Anderson Magnetic resonance imaging uses active volunteers who between pairs of words and then tried to block them from either learned association out the brain activity or forget the memories alternative inspection recalling memories.

Although strategies were equally effective, they activate distinct neural circuits. During memory suppression, brain structure called the dorsolateral prefrontal cortex activity in hippocampus inhibited, the major area for the last events mentions. Awareness of specific memories in the presence brought memories of worry involved in two areas - on the other hand, memory replacement tail midventrolateral prefrontal cortex and prefrontal cortex was supported by.

"Better understanding of these mechanisms and disorders such as posttraumatic stress disorder characterized by memory loss that regulation down understand how they can help," said BENOIT. He knows everything that will help contribute to a different process, because they perform well in one or the other approach may be naturally can. '

This Is Your Brain On Freestyle Rap: Study Reveals Characteristic Brain Patterns of Lyrical Improvisation

 This Is Your Brain On Freestyle Rap: Study Reveals Characteristic Brain Patterns of Lyrical Improvisation

 

National Institutes of Health deafness and other communication disorders in the National Institute (NIDCD) (NIH) voice, speech, and language functional magnetic resonance imaging branch used by the researchers rappers brain activity when they freestyling "study" - spontaneously improvising lyrics in real time.

Results, on-line Journal of scientific reports published in the November 15 issue, shows that brain activity in the prefrontal cortex, a unique vocal work improving reallocation is associated with this form is a novel neural network improvisatory and creative proposal that includes sexual relations effort.

Researchers, Siyuan Liu, Ph.D., led by the 12 freestyle rap artists (of which at least 5 years experience rapping) scan of the brain while a couple of times a music track using the 8 tasks The performance is demonstrated. Back to work, they just beat the rhyming pattern rythmk songs and improvised guide. In other work, the songs with a good set of exercises performed.

occurred.Freestyling the perisylvian system (involved in language production), amygdala (a region of the brain associated with emotion) increase in brain activity, and motor areas, cingulate, improve brain network has been proposed that encourage the link, language, mode, and action.

Himalayan Glaciers Will Shrink by Almost 10 Percent, Even If Temperatures Hold Steady

 Himalayan Glaciers Will Shrink by Almost 10 Percent, Even If Temperatures Hold Steady

 

Come rain or shine, or even snow, glaciers of the Himalayas for many years to come will continue to shrink.
Brigham Young University professor of geology forecast by Rupper Bhutan summer, monsoonal Himalayas bull's eye, in a region that comes after research. Published in Geophysical Research Letters Rupper the most conservative results shows that nearly 10 percent of the glaciers in the Bhutan Climate steady within the next few decades will be lost. What is the amount of melt water coming from the glacier could drop by 30 percent.

Rupper the increase in temperature has a criminal only after glacier retreat. The wind, humidity, precipitation, and evaporation as a number of environmental factors can affect how glaciers behave. As 13 miles long with some Bhutanese Glacier, an imbalance in any of these areas as they can take decades to answer.

"This particular glacier during the last few decades that they're playing catch many have seen so warming," Rupper explains.

In fact, almost double the rate of snowfall in Bhutan need to avoid glacier retreat, but this scenario is not possible because warm temperatures will lead to rain instead of snow. If glaciers are deprived of water, more rain and snow melt in total probability of flooding will increase from - is the neighboring village could be disastrous.

"Much of the world's population is downstream of the Himalayas," Rupper says. "There is a lot of culture and history, not only to Bhutan but also for neighboring countries face the same risks can be lost."

These results illustrate the potential for, Rupper this study had a moderate step further.Climate with heating, fully predict how likely take it for years, especially glaciers can react to change is not made.

Bhutan, Rupper, and BYU graduate students Burgener and Josh Maurer to London for accurate prediction, Columbia University, Lamont Doherty Earth Observatory, NASA and Bhutan hydro-meteorological researchers Services Department joined. Together, they trekked through rainforests and barren rocks, ice blocks world's most remote access. There's a weather station and glacier monitoring equipment on the months and years to collect real-time data can be put to use.

"To get a goal Glacier lasted for seven days, Rupper recounts, back in October." Our pack animals, riders and guides, the region and to develop a way of life, but group was running a little slow to recognize the West. "

Rupper of prediction and fieldwork on glaciers in Bhutan are in first, and the country's water resources and its research decisions about flood risks are likely to use long-term.

"They sound the best home or the construction of new power plants could potentially have a better idea," Rupper says. He hopes that good science changes we are likely to witness in the coming decades, could lead to engineering solutions. '

Even Moderate Drinking in Pregnancy Can Affect a Child's IQ

 Even Moderate Drinking in Pregnancy Can Affect a Child's IQ

 

A new study led by researchers with the (ALSPAC can) and a PLOS published on November 14.
For pregnant women, moderate drinking during pregnancy completely avoid conflicting advice about current shows that moderate use is safe and recommended to others with some official guidelines. Previous studies on the effects of moderate alcohol intake on a child's IQ conflicting and contradictory evidence is produced. This may be because it is difficult lifestyle and other social factors such as smoking, diet, wealth, mother's age and education, as distinct from the effects of moderate drinking can.
This study, a first of its kind enough, use genetic changes women and their children during pregnancy among a large group of moderate drinking (<1-6 units of alcohol per week) to investigate the impact is sure. Since the individual variation that is in their DNA are associated with lifestyle and social factors, the potential approach removes complexity.
Alcohol metabolising 4,167 children in four genetic variations in genes strongly associated with IQ at eight years old was. Child's sense of almost two points less than the average per gene was modified.
But only in women who were moderate drinking was seen in children. Between children whose mothers abstained during pregnancy had a significant effect, it strongly suggests that pregnancy is a result of a difference in a child's understanding was that exposure to alcohol. Heavy drinking was not included in the study.A man drinks, alcohol, acetaldehyde when ethanol replaced by a group of enzymes known. Variations in Genes 'encode' their enzymes are the differences in the ability to metabolise ethanol. Slow metabolisers' I, peak alcohol level of more metabolisers person who is sick can persist for more.
It is believed that the person who is sick of ethanol metabolism in children, protects against abnormal brain development in the fetus because alcohol is low, although the exact mechanism is still unclear.
Dependent on previous studies have examined the evidence, but it is wrong. Many observational studies have compared abstention moderate drinking is beneficial, but because it is mothers who drink during pregnancy in moderation is generally well educated, have a good diet and smoking is not likely - all factors which are associated with higher IQ children, which masks the negative impact that exposure to alcohol can.
This study, on the other hand, moderate (rather than high), more than 4,000 women looked at alcohol intake and novel technology known as Mendelian randomization used, the disease between investment and then
Pregnant mothers' intake of alcohol when he was 18 weeks based questionnaire was completed. This is the average amount and frequency of alcohol consumption before the current pregnancy question during the first quarter, and the last two weeks or when they first felt the baby move. Alcoholic drink was defined as one unit.gestation 32 weeks around the mother completed the questionnaire in which the average day and weekend alcohol consumption, which was obtained weekly intake was asked about.
Approximately 18 and 32 weeks of pregnancy, women also how many days during the past two drunk beer pints (or equivalent amount of alcohol) was asked. On at least one occasion, a woman who's doing it for the purposes of this analysis as a binge drinker was classified as deleted.
can detect differences in IQ, which depend on the ability of alcohol to clean the fetus. It also demonstrates that moderate level, alcohol can affect fetal brain development is. '
Dr Ron Gray from Oxford University, who led the research, said: 'This is a complicated study, but the message is simple: Moderate alcohol intake during pregnancy in the future could affect a child's intelligence. If a pregnant women to avoid alcohol for a good cause is to choose. '

Human Eye Gives Researchers Visionary Design for New, More Natural Lens Technology

 

The material naturally architectures, multilayered plastic layers of the butterfly wing scales, human tendons, and even as those found in the human eye, active growth occurring to apply mechanical force, novel reflective features, discoveries and products with improved power and optics, "Ponting explains.

In order for the lens layers, a multilayer film coextrusion technology team (to create a simple multilayer structure used method) is used. This unique construction technology refractive index of each layer in the layer and size can smile optics allows that.

This unique refractive index of the film nanolayered any combination provides the freedom to drift. The most important and smile through other construction techniques has enabled the construction of unsurpassed optics.

Small medical imaging devices or implantable lens optics smile I can use. Ponting said: "A human eye lens is the first step towards transportation capabilities, potentially biocompatible implants and possibly deformable optical materials used in the system is necessary to improve existing technology,".

Current generation intraocular lens replacement, cataract, like those used to treat, as they focus on a precise prescription of the use of contacts or eye glasses. Unfortunately, intraocular lenses natural lens to achieve the same performance because they lack the ability to incrementally change the refraction of light. This is a refraction lens aberrations and other undesirable alternatives can generate optical effects.



Case Western Reserve before this technology from research labs to commercialization has been transferred to PolymerPlus.

Scientists Use Quasars to Probe Dark Energy & Measure its Role in the Evolution of the Universe

 

Owner, Baryon Oscillations Spectroscopic Survey, a large volume of dark energy's role in mapping the evolution of the universe estimates. The Sloan Digital Sky Survey III (SDSS III) program, the largest and only mapping techniques, more than 48,000 quasars redshifts based on spectra with 3.5, meaning that light up their first significant results active galaxies 11.5 billion years in the past.

is not being realized, "said principal investigator David boss Schlegel, Lawrence Berkeley National Laboratory, U.S. Department of Energy (Berkeley Lab) of the Physics Division is a star. The accelerating expansion of the universe in our own time is dominated by dark energy. Dark energy affects how slow the rapid transfer of cosmology is one of the most difficult questions. '

Two ways to measure the expansion of the universe

Distribution of galaxies and barely visible in the large-scale variations in the network - as an international collaboration, leading scientists, including many current or former members of Berkeley Lab, baryon acoustic bass education (BAO) oscillations mapping Dark energy from vacuum gas clouds, which appear dark to see a thing impossible. Peaks in the density of matter density variations of the regular Spacing real, cosmic microwave background radiation whose remnants are visible in the air. Spacing calibrating the expansion rate can be measured wherever BAO cosmic ruler provides for.

Sloan Foundation telescope at Apache Point Observatory in New Mexico using, a two-dimensional spectroscopic investigations bass BAO has increased. Bright galaxies with redshifts 0.8 normal first priority is to the survey, seven billion in the past few years, Galaxy, according to the results of a survey of 300,000 galaxies included in the results, to March, 2012 was held in . But soon enough galaxies in the universe at redshifts significantly Map BAO deposited with a 2.5-meter telescopes can not. The goal of this owner: quasars.

Schlegel said, "Quasars brightest objects in the sky, so only reliable spectra measured redshift 2.0 and beyond is a way out,". He said that a hundred times more galaxies with redshifts quasars, but they are too faint to be used for BAO. '

Quasars also directly BAO measurements are sparse, but there is another way BAO at high redshifts is shown. Space such as a quasar's light passes through the gas cloud is on the ground, the spectrum of hydrogen Lyman alpha forest absorption lines is known as a lot of makes. Ideally, "forest" absorption lines in quasar light shows which has been approved by an intervening gas clouds. Like a flashlight seen through a fog individual absorption lines in the spectrum of a single quasar redshifts various prominences and reflect, how the gas density varies with distance along the line.

Coffee quasars, quite close together in the sky with covering a vast difference, interference by clouds of gas distribution will be mapped in three dimensions can. By Patrick McDonald believed already advanced in the early 2000s, the Canadian Institute for theoretical astrophysics and Martin White, both in Berkeley Lab.

"In 2003, when I presented the idea at a conference of cosmologists, they thought it's crazy," White, who at the University of California at Berkeley and a professor of physics and astronomy teams Geological Survey boss chair that is. "Nine years later, the owner has expressed a surprise that this powerful technique. Successful beyond our wildest dreams are."

Much better SDSS III spectrograph, the construction ordered by Berkeley Lab Natalie was fish is much better than the first survey allows coverage and resolution, but Lyman alpha forest still in search of BAO Many reasons was a suggestion of higher risk. Lyman alpha absorption spectrum lines, which are absorbed by Earth's atmosphere are found in the ultraviolet, land, just the right amount redshifted quasars whose spectra are useful. Tag lines only neutral hydrogen, ionized hydrogen in the universe is highest. Among other uncertainties, hydrogen, clouds, or irregular heating of many quasars close together, clustering can distort signals.

Berkeley Lab Nicholas Ross, who led the team, said the target of choice: "A Galaxy poll, compared Lyman alpha forest in search of the BAO is good - high risk, but high reward,". Quasars per square degree of sky, a minimum of 15 to 20 - Boss quasars possible during its five year run of two million individual targets is 10% dedicated enough to capture spectra for quasar clustering on the map. Please goals photometric data (an object glow in different colors) was selected, but the spectra were taken after the team must ensure that the targets were real quasars and stars which were duplicates or other quasar. The owner took a chance.

"We had one thing in our favor," Ross said. It did not matter that this was the type of quasar, as long as it was high redshift.. Finally, we found that all our compilation algorithm has worked well. '

Searching for Signal

Preliminary results Lyman alpha - the first stage of the universe evolution first BAO Map - Space The boss will eventually map is based on only one-third of the volume, and their spectra, confirmed by visual inspection includes 60.369 quasars are. To simplify the search for BAO, many of them were lost.

"BAO data out, we have to model the signal we are looking for is a mess," says Berkeley Lab Bill Carithers. Rejected a broad absorption line class quasars, whose spectra by a fast-moving gas quasar is an active center was dirty. Another class of quasars whose spectra "troughs damped Lyman alpha," that is, Carithers said, are "a lot of gas in the quasar light, a large clump, so it runs in wiping out the forest . "

Removed along with unhelpful spectra, Bass was left with 48.129 quasars. In May of 2011, a Brookhaven National Laboratory under Anže Slosar, Berkeley Lab former team boss only 14,000 quasars using the cosmological distance measure in the space density of hydrogen gas had demonstrated the feasibility - Coffee, Slosar said, "to establish a proof of concept."
Three-dimensional maps and other survey by owner

Until recently, employers and other survey maps the three dimensional distribution of galaxies daily average of just over five and a half billion years ago, were able to measure the back, at a time when the universe's expansion is accelerating already. Now boss of the quasar (red circle, left) vacuum gas distribution measurements by measuring, at a time when the expansion is still under the influence of gravity was slow in the initial investigation of the structure of the universe. quasar with slow data transfer speed of dark energy provides access. Zosia Rostomian, Lawrence Berkeley National Laboratory and NIC Ross, Lyman alpha team boss, Berkeley Lab graph by

"We do not use specific information in a line of sight, we look at correlations between," Carithers said. "This is the first quasars because we have a lot - with very little, you can not see the pattern."

Useful scientific information from raw data to help convert telescopes in addition, Berkeley Lab Stephen Bailey was in charge of obtaining synthetic data sets - the "mocks" - that was based analysis.

"We know where the real quasars and the gas physics that we know, but we do not know where the gas. Positions and redshifts of quasars in our simulations based on real, but fake spectra were different gas with the distribution. analysis in an artificial divide we can see, we should all see it. "

Finally, Berkeley Lab Services group provided by high performance computing Linux cluster of computers to data processing and generation Riemann after mock spectra, more than 48,000 quasars Lyman alpha forest analyze the results of the competition.

Analytical techniques used in this report, Andreu Font boss Ribera and French allies among participating groups has been developed by. Applied real quasar spectra, the density distribution of an image that Bailey said, "We first look at the BAO in the secret places."

Schlegel says, "We have no reliable way of two or more can be measured redshifts BAO., Five years ago it was chancy, but the table is a proposal. Failed in any of several ways: may have been, but nature was good to us. "

White said, matter-dominated universe, he said, we are looking back, when decelerating expansion and dark energy was hard to see. Transition from decelerating expansion to accelerating expansion was faster, and now we live in a universe dominated by dark energy. The biggest puzzle in cosmology is, why now? '

Meanwhile, Lyman alpha forest of ancient Universe is a new approach, BigBOSS as proposed in the future, more powerful survey may prove beneficial with a fully opened.

"Baryon acoustic bass in quasars Lyα forest Oscillations," NG by Busca, Timothée Delubac, James Rich, Stephen Bailey, Andreu Font Ribera, David Kirkby, J.-M. Le Goff, Anže Slosar, Eric Aubourg Julian Bautista, Michael Blomqvist, Bill Carithers, Rupert AC Croft, Kyle S. Dawson, Daniel J. Eisenstein, Hamilton Jean Christophe, Shirley, and Lee Khee GAN, Daniel Margala, Jordi Miralda-Escudé, Pasquier Noterdaeme , Nathalie Palanque Delabrouille, Isabelle Paris, Patrick Petitjean, Matthew M. Pieri, EMMANUEL Rollinde, Nicholas P. Ross, David J. Schlegel, David H. Weinberg, Martin White, and Christophe Yèche, has been submitted Astronomy and Astrophysics and is available at http://arxiv.org/abs/1211.2616 arXiv preprint server.

Source: Paul Preuss, Lawrence Berkeley National Laboratory

Photos: Zosia Rostomian, Lawrence Berkeley National Laboratory, NIC Ross, Lyman alpha team boss, Berkeley Lab, and meaning Springel ET, Virgo Consortium and the Max Planck Institute for Astrophysics, Zosia Rostomian, Lawrence Berkeley National Laboratory and NIC Ross, owner Lyman Alpha Team, Berkeley Lab

Making the Case for Science: Representative Randy Hultgren Sees Room For Improvement in Federal Role

 

Representative Randy Hultgren (R IL) Bill Foster came to Washington in 2011 after the defeat, PhD, one of the few scientists in Congress. (Foster Congress in January a couple different district representatives Biggert (R IL) will be back after defeat.) Although Hultgren *, an attorney and former Illinois state legislator, a background in science, he U.S. House of Representatives Committee joined the Science, Space, Technology, and immediately on basic research as a lawyer made a name for himself.

perspective on the Obama administration witnesses Press universities, federal labs, and industry partnerships to strengthen between. The coalition last month by Science "Champion of Science", an advocacy group of research universities was named.

Fresh off a successful campaign for a second term, Hultgren, 46, with ScienceInsider last week about his agenda for the next Congress spoke. A revised version of his remarks.

Question of the biggest problems facing U.S. research universities have?

RH: The biggest challenge funding across the board support for our national labs is included. Take a step back, the importance of these institutions and is recognized interconnectedness within science. ... I know that people in government, especially Congress and the administration, you understand how important communication and discover the country's science and innovation as a global leader is not there.

Fungal Meningitis Pathogen Discovers New Appetite for Human Brains

 Fungal Meningitis Pathogen Discovers New Appetite for Human Brains 

 

The fungal meningitis outbreak killed 30 people and sickened 419 people so far, but the fungus responsible is not wrought such havoc.
Fungus, Exserohilum rostratum plant a vegetable food for generalist aircraft is equipped with the system, for example, is not a particularly picky eating, and although many people prefer the grass with items - food,.
But how pathogen usually associated with great outside laboratory and dirty Agreement puzzling mystery why so far only three injections of steroids into three lots are developed.
A third recalled lot is still being tested. But E. rostratum is not a household name among mycologists.
, A retired medical mycologist, Glenn Roberts said that the Mayo clinic rochester, Minn. In 40 years of experience, he had seen only one case: in an immunocompromised patient with soft-tissue injuries of the arm. He is surprised when he identified the pathogen in the New England epidemic Framingham, Mass. I heard originated with Pharmacy Compounding Cente"I can hardly believe it is very rare," he saysAnd yet, out in the air and plants, E. rostratum is not uncommon.

European research projects plagued by financial errors

 

European research projects dealing with financial mistake,European research projects ineligible fault claim costs are hundreds of millions of euros,Euro millions of European research funding error the European Union (EU) by making errors in their accounts funded with half of all projects potentially being claimed.
Review of EU spending this year - held annually by the auditors - such as excessive costs and related research 150 2011 74 payments that were checked1 is being claimed as a time sheet discrepancies found to have problems. Was the main source of error framework program, which doles research scientists across the continent funding for projects "costs declared by the beneficiaries." Observers estimate the amount of errors is 3% of the budget. Total research expenditure in 2011 was € 12 billion, meaning around € 360 million of mistakes canpossible to have committed"European budget problems are far from unusual, and observers always in their annual reports all failures identified in the European Union. Ladislav Balko, the European Court of Auditors (ECA) member of the research activities under audit says that "to locate the material is no different from last year."

Making a Better Invisibility Cloak

 

 Making a Better Invisibility Cloak

The first work "cloaking" 2006 Duke University electrical engineers in the device worked like a charm, but it was not true. A member of the Laboratory now has a new design tool that actually create a dam is important loose ends.Just as the traditional wire fiber optics, light and waves of new meta materials could revolutionize broadcasting.The purpose of this research include taming light, a new field of transformation optics has emerged. Duke Journal of the nature of experiments results were published online Nov. 11 in materials.
Duke team, "Meta content," which features natural human-made objects are hidden among the most extensive experience in creating. Add to meta electromagnetic waves around an object structure guidance, just as the other side of the empty space volume, was approved by the emergence of cloaking objects can be designed.Nathan Landy, senior investigator David R.Professor of Computer Engineering.
"A problem that we were fully aware of the limitations of the device show that the loss of the waves," Landy said. He explained that the show was seen on clear glass. Viewers see right through the glass, but at the same time inform viewers glass glass surface shows that the light can cause exists. "The goal was to demonstrate the basic principles of cloaking, we do not worry about that demonstration."
Landy now using a different development strategy is to reduce the occurrence of phenomena. The garments were made of copper with the cleaning fiberglass consists of parallel and intersecting strips. Landy row by row design cloak similarly used, but in strips of copper to create a more complex - and better - content. With the device, which is about two feet square strips, manufactured by diamond-shaped, left empty.
When any wave, like light, killing one level, it will either reflected or absorbed, or is a combination of both. The first experiments in cloaking, waves a small percentage of energy absorbed, but clothing was not enough to affect the overall performance is.
Divided into four quadrants clothing was natural. Landy explained that "phenomena" as noted in the clothes in and around the edges and corners of vacancies to be meta Court.
"Each of clothing Quadrant voids, or blind spots in the corners and intersections with each other in their court," Landy said,"We made clothes, and it worked," he said. "These two waves travel around the center and a thing to perform with minimal damage due to re-emerge as a wave of light is divided."
Landy said that this approach can only have more applications than clothes. For example, meta materials "smooth" twists and turns in fiber optics may seem straighter in essence. It is important, Landy said, because every point within the wave attenuates.In recent experiments, researchers now three dimensions, a two-dimensional device compared to a big challenge to apply the principles learned working.

Why Antarctic Sea Ice Cover Has Increased Under the Effects of Climate Change

 

Why Antarctic Sea Ice Cover Has Increased Under the Effects of Climate Change

 

There is no direct evidence that the Antarctic sea ice during the past 20 years Drift is the change, in response to changing winds this week's journal Nature Geoscience has been published. NERC British Antarctic Survey (BAS) and NASA's jet propulsion (JPL) Laboratory, Pasadena, California, that explains why scientists, in a dramatic loss of Arctic contrast, Antarctic sea ice cover has increased under the impact climate change .JPL 5 million individual daily ice motion show four U.S. Defense Meteorological satellite captured the 19-year period, using for the first time during measurement, created by, Antarctica Maps in long-term Drift is the change in sea ice.Lead author Dr. Paul Holland boss said: "Drift in the snow changes were only doubt upon, Antarctic winds using computer models to study the direct climate satellite commentsRegional changes in the winds change, which in turn affect the Snow changes are due to the snow cover. Drift and air temperature. changes in the Antarctica Ice Drift, produced by the developing sea ice cold salt water is very sensitive to large changes in ocean advice around
"Sea ice is constantly on the move, away from continental ice around Antarctica strong winds were blowing from the north since 1992 has changed the Drift Ice, snow in some areas recovered from Antarctica has doubled, while in others. has declined significantly. "
Sea ice plays an important role in the global environment - reflecting heat from the sun and provide habitat for marine life. In both poles sea ice cover during late summer is the minimum. However, winter freeze in Antarctica this ice cover over an area extending approximately two times the size of Europe. Several meters in thickness from less than a meter away, frigid upper atmosphere by warm sea ice insulates.
The new research also found that core sea ice volume changes are very different in the two polar regions helps to explain. Dramatic Arctic ice in recent decades suffered losses in the overall Antarctic ice extent is slightly increased. However, this small increase Antarctic is really large regional increases and decreases, which is now running the show is a result of the changes. In places, the north winds increased sea ice cover of Antarctica to expand beyond reason. Arctic Ocean is surrounded by land, air change in the expansion of Arctic ice may not.Dr. Ron Kwok, JPL said, "Antarctic sea ice cover in the Arctic in the global climate system interacts very different, and their results Antarctic ice around the continent coverage in force winds clear sensitivity to change. '
The observed changes in Antarctic climate in recent decades contrasting. The Antarctic Peninsula is warming anywhere in the Southern Hemisphere, while the East coast of Antarctica little change or even a small cooling has been shown around. New research to improve understanding of current and future climate change is. It is important Antarctic ice sheet between - glacial ice - the Antarctic sea ice volume is lost - frozen ocean water - which is spreading.
The Natural Environment Research Council Research (NERC) and the National Aeronautics and Space Administration (NASA) was funded by.

US states vote to experiment with marijuana

 
Colorado and Washington to victory over Amsterdam. Two ballot measures approved Tuesday by U.S. states marijuana use not only entertainment, but also the legal form of the mass production and sales. It brings in unknown territory, and no one knows how to access legal drug in the U.S. drug trade, Mexico's cartel violence affect public health.

But the use of marijuana is still a federal crime, a reduction in violence on President Obama's vision of two states is likely.

The bill, it is illegal to cross state lines for drug transport. But if federal regulators in states decide not broken, it is much less expensive for Americans to buy marijuana from Mexico to Colorado can be. Every 100 miles from the border with Mexico drug cost is transferred increases to $ 450 per pound. Jonathan Caulkins, a professor of public policy at Carnegie Mellon University in Pittsburgh say that if you apply the same gradient as you from Colorado to New York State, who moved to New York is paying way below, ".
Group losses

Switching from U.S. grown cannabis drug cartels can deal a significant blow. Drug Policy RAND Corporation, Santa Monica, California-based research center estimates that about 20 percent of research 'cartels smuggling marijuana accounts for revenue: $ 6 and $ 8 billion a center for study evaluated against Mexico It is estimated that Washington would cut $ 1.4 billion from legalization cartels profit from that published in October.

This, however, assumes that federal agents step in the first block interstate commerce, is to prevent the establishment of a national market. BEAU Kilmer of the RAND Corporation, said, "This is a scene where a couple of states will have an effect is difficult to imagine,".

But even if the cartels took a hit, it is not clear what effect it will have on border violence. Since Mexico's government cracked down on the drug trade began 10 years ago, drug-related killings in Mexico has increased eight times the rate for trafficking marijuana have changed a bit. cartels income cut them off, Caulkins said, but it just kind of kidnapping and human trafficking as a profitable form of crime can also can drive them.

"Obama is a difficult decision on his hands," Caulkins said. Administration in 2008, the state medical marijuana laws do not collide. But federal regulators medical marijuana dispensary on the West Bank recently, but using the drug for medicinal purposes on the alleged sale of these products have begun to close. Caulkins says that Congress "punished" for projects such as highways, cutting funds can imagine infuriated by the states.
Health Effects?

Most evidence shows that adverse health effects of cannabis use tobacco, alcohol, or hard drugs are a part of his. (International Journal of Drug Policy, doi.org/fvb2hq).

The researchers particularly close attention paid to the legalization will affect alcohol intake. "If you have hope, are used marijuana, alcohol use are down," Caulkins said. "This is a major breakthrough: Does alcohol cause many social evils." But it is also possible to use more marijuana than alcohol report will lead. Even a 10% change in the use of alcohol, either in one direction, the "marijuana can be compared with a great deal" will.

That alcohol and marijuana or other wildly over each other to serve as an alternative strengthen some studies, as "Read" Mark Kleiman of the University of California at Los Angeles said. "States this question has not been within a million miles."

And what about slope stability on hard drugs? Small amount of marijuana in the Netherlands in 1976 owned decriminalized, and legal pot easily across the country "have coffee shops. Scientific committee of the Dutch national drug monitoring agency vice president, Dirk Korf said that marijuana users are people who do not use drugs at all likely to use other drugs, but legal marijuana users are likely to do so illegally from consumers, either in the Netherlands or elsewhere in Europe., and cocaineproviders had to get marijuana from.

A common argument against legalization is that it will increase marijuana use itself. Dutch experience shows is: Dutch 18-year-old in 1970, 20 per cent used marijuana at least once was. , Decriminalization, 11 years later, in 1987 was 18 percent.

"There is no practical evidence that the legalization of marijuana usage is the coverage," Korf said. Or using drugs for a long time or have already started to lead people. For the first time a Dutch early adolescent marijuana users than average age in the U.S. is 19.6.

Jump into the lucrative U.S. market for some businesses with advertising, marketing, and other related laws, rules and regulations - such as the drug can be sold in bars as everything - into market are required. Caulkins predicted that we as the Amsterdam coffee shops or gummy bears ganja weed themed novelties such a blast to watch as producers seek to differentiate their products.

Kleiman activation state legalization could be a good laboratory, said. If the legislation shows that a disaster, feds can step in and end the experience. However, it is only one way to find out about the public health implications are for, say. "This is a problem, we can solve theoretically is not."

Extensive drug pairing identifies new cancer treatments

 
Sometimes there is no short cut. 100 The U.S. Food and Drug Administration about cancer (FDA) approved the drug, it is best used in combination, can cause cancer resistant to individual drugs. But the sheer number of possible combinations to find effective pairings because it is difficult. If Susan Rockville, Maryland, National Cancer Institute, and colleagues in the Holbeck tried them all.
A two-year study of 60 human cancer cell types systematically vary the team 4950 100 cancer drug tested all possible pairings. He also tested different number each pairing. Team member James Bethesda, Maryland, Doroshow, National Cancer Institute study estimates that 1.5 million separate tests are involved.Doroshow fact, 0.1 per cent tested positive outcomes that were completely unexpected, said.
Due to the unexpected combinations to work out what needs to be done well. He has hundreds of examples that need to be followed, "Doroshow said.
Holbeck says that he has a headstart all the cells are well understood, it is easy to work out what is going to be at the molecular level
More trials of new combinations need to know more about, but since the drugs are approved by FDA, cases should be early next phase of development. Study team this week in Dublin, Ireland in the Molecular Targets and Cancer Medicine Symposium presentedHolbeck and his team as a resource for other researchers to make their data public is planned. This should facilitate more robust. Ideally, it needs hundreds of cell lines to be done, "Paul laborer, SUTTON, Cancer Research UK Institute of Cancer Medicine, chief of the division." It figures identify independent combinations of word-based and more ad hoc approach is better than the old way. "

Rhino poacher jailed for 40 years in South Africa

 Rhino poacher jailed for 40 years in South Africa

 

 10 November 2012

Chumlong Lemtongthai is a scheme to smuggle horns to Asia's black market as a core trophy hunting in South Africa White Rhino used to play a large part admitted. They pose as Asian nationals employed hunters and game farms in the North West Province to participate in organized hunts.

Three South African and Asian nationals charges against two other co-accused which, however, was dropped without explanation.

There are more that I could share. problem.

Rhino partner for WWF SA, which Shaw said: "These high-level arrests and punish illegal trade in Rhino horn into the illegal market in Asia were transferred to disrupting chains are serious."

In Asia, particularly in Vietnam, White Rhino horn powder for increased demand in recent years. Wrong to increase sexual performance, hangovers and treatment of cancer as well, rising wealthy class in Asian society for Rhino horn has already started to pay more. South African Rhino Horn as a result of a sharp increase in poaching, in 2012, more than 450 rhinos killed this year already with the unprecedented growth in the country, in the end.

Around half of poaching in the Kruger National Park is found in the north-west.

Climate Predictions

Climate Predictions: Worst-Case May Be Most Accurate, Study Finds

Juli Berwald
National Geographic News

Nov 8, 2012 published

The superstorm of Sandy, climate change has many radar. By some accounts, the sea temperatures warm Gulf Stream storm as it plowed up, and the rising flood waters might have been.

Now, a new study in Science journal says climate change warming is here to stay. And predict future warming is likely to be high, researchers concluded.

expected?

This increase in temperature, called equilibrium climate sensitivity estimated 5 degrees F (2.8 degrees Celsius) around, hover about 2100. But more than doubled forecast 3 to 8 degrees F (1.7 4.4 C) to vary.



3 with increasing degrees F, for example, New York City Richmond, Virginia will feel like. With increasing degree 8 F, New York Atlanta, Georgia will experience temperatures like these.

(Comments: "Climate change a major victory in the 2012 elections.")

Clouds hold key to climate change

Sensitivity of climate to the first report in 1979, no one has been able to limit its range. To try to solve the mystery, Fasullo and Trenberth in both atmospheric rock (NCAR) U.S. National Center for Research, the sky is seen in Colorado.

Fasullo the cloud temperature is important in pinpointing the expected level of growth. The Earth's energy budget exert an important influence. Since they're white, clouds, sunlight, cooling the Earth is reflected. Depending on how high they are in the environment, like a blanket to hold the heat is working.

But the clouds change shape, size, and brightness immediately, the difficulty of modeling. Profile comments are satellite clouds, and contains errors.

To sidestep these issues, how are clouds Fasullo and Trenberth has decided instead to look at. The high relative humidity in the atmosphere are water vapor. Facility, high-quality relative humidity data is readily available from satellites. (Related: "Global Warming Supercharged by Water Vapor?")

Eye of the Storm?

Referred to in the dry zone climate research team focuses on the areas has been.

Several thousand feet of the atmosphere above the Earth's surface dry zone where clouds form a key role in future climate can play in Hoover troposphere.

Dry zone in the northern hemisphere between 10 and 30 degrees latitude occupied, Venezuela and Florida level, respectively.

16 different climate scientists intergovernmental panel on climate change, the most recent study by the model used in dry relative humidity than is found in areas.

Fasullo and Trenberth found three models that match the same observation that most of the moisture in the 8 degree F temperature rise before the end of the century were with. At least right model overpredicted relative humidity and the temperature rise is less.

Fasullo used the analogy "dry areas like climate system is warming with IRIS, IRIS is spread, reduced cloud cover allows more heat." Models that do not provide dry zone was found to extend data fail to accurately describe, he explained.

Karen Shell, an environmental scientist at Oregon State University who was not involved in the research, agreed that it Fasullo and Trenberth workaround is realized. "This is a promising technology, it is a study, but if this relationship holds, this means that climate sensitivity is much higher than at the end."