Climate change and permafrost thaw alter greenhouse gas emissions in northern wetlands
...icator of climate change, Turetsky said. What will happen to peatlands when climate change disrupts these fr...ozen layers, or perhaps more importantly what will happen to all of that stored carbon in peat, have remained big questions for us. Their results were surp...MIT model could predict cells' response to drugs
...odel was then used to correctly predict what would happen to two other types of epithelial cells when exposed to the same stimuli. "Cells appear to be adding up information across multiple pathways in a common manner, even though the outcome of the calculations is different because the pathway activities ...Drug protects brain cells in Huntington's disease model, researchers find
...oped. This situation simulates what would probably happen in a human trial, he said....New clue into how diet and exercise enhance longevity
...pan, the researchers decided to examine what would happen when they knocked out one or both copies of the Irs2 gene only in the brains of mice. Mice lacking one copy of the Irs2 gene in brain cells also showed an 18 percent longer lifespan, and the near complete deletion of brain Irs2 had a similar e...New role for protein in fat cells may improve understanding of obesity and diabetes
...ne what CETP does inside a fat cell and what would happen to fat cells that are deficient in CETP. The scientists noticed that fat cells lacking CETP could not make and store cholesterol, cholesteryl ester, and another fat called triglyceride like normal fat cells do. In CETP-deficient cells, cholesteryl ...Scientists take next step in understanding potential target for ovarian cancer treatment
...of normal km23 function for clues about what might happen to the protein in ovarian cancer cells. Then, drug development, targeting the irregular function of the protein, can begin. Our studies provide a better understanding of how the protein works, what it does, and how its functions may be altered in c...Researchers witness natural selection at work in dramatic comeback of male butterflies
...ch as an extremely skewed sex ratio, evolution can happen very fast." The researchers' findings are described in the July 13 issue of the journal Science. Charlat pointed out that, unlike mutations that govern such traits as wing color or antennae length, a genetic change that affects the sex ratio of a...Changing climate will challenge Northeast agriculture, CU expert warns
...crops, livestock and humans, said Wolfe. What will happen in the future, he said, depends "on whether we as a society follow the business as usual [higher] emissions scenario or begin taking action now to reduce greenhouse gas emissions." For example, he added, "Our analysis found that under the higher emis...Rapid evolution of defense genes in plants may produce hybrid incompatibility
...e flow between them stops. However, this does not happen suddenly. Rather, it is a gradual process in which one barrier after another is raised between two species, including inviable embryos and defective and sterile adults, as well as genetic incompatibilities that prevent even the formation of an embr...Climate change reduces Queensland's bat numbers
... in the past to more accurately predict what could happen in the future and perhaps prevent any more loss of diversity. Bats play an important ecological role as natural insect control agents. They account for almost a quarter of all mammal species and are the only flying mammals. Bats are declining worldw...UF scientists work to develop simple bladder cancer test
...unately once its happened its very likely going to happen again -- once you have bladder cancer you are at a high risk of recurrence for the rest of your life, which makes monitoring it a real problem. As a result patients need to be closely monitored, with most undergoing cystoscopy every few months in t...Critical protein prevents DNA damage from persisting through generations
...it to be responsible, the breaks would have had to happen early on, the cell would have to divide, mature, maintain the breaks, and stay alive with broken chromosomes." This, in fact, was precisely what they found. The ATM protein appears to have two roles in a B cell: It helps repair the DNA double-st...Support for chromosomal theory of cancer found in cancers' development of drug resistance
... don't address is why it (drug resistance) doesn't happen in normal cells," he said. "Why aren't we all gett...t to any toxic drug we are exposed to" Why does it happen only in cancer cells" Why do cancer cells become resistant and the patients don't"" In his experim...University of Arizona launches major scientific research initiative at Biosphere 2
...how that affects the biogeochemical reactions that happen in soil only when it is wet." The plants, grasses and shrubs, will be typical of the desert, grassland and savannah ecosystems that cover more than one-half of Arizona and about one-third of the Earth's total land area. The Biosphere 2 facility ......o very long pieces of DNA and make those mutations happen much more frequently than other methods can. That makes it easier to find out what defects or diseases arise due to such mutations, and thus what the DNA does normally. They devised a much more efficient method for mixing and recombining pieces ...Pendulum love, science class gender gaps, musical mind mirrors, and unparticle physics
...se invisible particles. So if LHC experimentalists happen to see signs of 3.34 ghostly particles, for example, they could be on the track of unparticle matter. Unparticle stuff may go the way of countless other defunct predictions of exotic phenomena. Unlike the Higgs boson, which many physicists believe ...Physicist cracks women's random but always lucky choice of X chromosome
...ome but they had little idea as to why this should happen randomly to one X chromosomes gene and not the other. Scientists are extremely uncomfortable with this randomness and have sought a clear scientific reason as to why one X chromosome was switched off rather than the other. The observations also see...Undergraduate research shows leaderless honeybee organizing
...der bees have with the queen. This doesnt normally happen in the hive, he noted. Its interesting because it shows that though the queen has a tremendous impact on the colony, shes not the decision maker, Schnieder said. The colony is not a dominance hierarchy and, from a human perspective, this is unusua...Researchers examine carbon capture and storage to combat global warming
...rbon dioxide] in and say something about what will happen when it gets down there,'' said Orr. Currently, ...on said. ''That's the kind of thing that will only happen if there are global policies to address these issues. That's the number one critical thing.'' With...Columbine flowers develop long nectar spurs in response to pollinators
... "In the case of these flowers, changes appear to happen relatively rapidly in response to changes in pollinators," said Zamer....