In the News
Ozone, Nitrogen Change The Way Rising Carbon Dioxide Affects Earth's W Through a recent modeling experiment, researchers have found that future concentrations of carbon dioxide and ozone in the atmosphere and of nitrogen in the soil are likely to have an important but overlooked effect on the cycling of water from sky to land to waterways. T For Two: Scientists Show How Immune System Chooses Best Way To Fight A new study has suggested a novel way of combating diseases related to the immune system, including cancer and autoimmune diseases such as type I diabetes and arthritis. The study, funded by the Wellcome Trust, appears online in the journal Nature. New Imaging Method Clarifies Nutrient Cycle Scientists have applied a nanoscale imaging method to a biological system, helping to clear up an old puzzle of the global carbon and nitrogen cycle. Snows Of Kilimanjaro Shrinking Rapidly, And Likely To Be Lost The remaining ice fields atop famed Mount Kilimanjaro in Tanzania could be gone within two decades and perhaps even sooner, based on the latest survey of the ice fields remaining on the mountain . The findings indicate a major cause of this ice loss is very likely to be the rise in global temperatures. Although changes in cloudiness and precipitation may also play a role, they appear less important, particularly in recent decades. [Funny] A referee has sent himself off in an English amateur league ma Andy Wain had to abandon the Sunday league match between Peterborough North End and a Royal Mail side in the 63rd minute after throwing down his whistle and marching up to confront North End's keeper. Elephants Imitate Sounds As A Form Of Social Communication Elephants learn to imitate sounds that are not typical of their species, the first known example after humans of vocal learning in a non-primate terrestrial mammal. The discovery, reported in today's Nature, further supports the idea that vocal learning is important for maintaining individual social relationships among animals that separate and reunite over time, like dolphins and whales, some birds, and bats. Immune System Finding Paves Way For Vaccine Use In Some Leukemia, Lymp Researchers at The University of Texas M. D. Anderson Cancer Center and the National Cancer Institute have found that an experimental vaccine can prime the immune system to help fight an aggressive form of lymphoma, even though prior therapy had eliminated virtually all of the B cells thought necessary to mount such a defense. Exercise For Cardiovascular Health Keeps Knee Cartilage Healthy Too, S Exercise for cardiovascular health keeps knee cartilage healthy, too, suggests a long-term, community-based study. The world's most common joint disease, osteoarthritis is a major cause of disability among adults over the age of 50. Whether physical activity is beneficial or detrimental to weight-bearing joints, knees in particular, has been open to debate. Some studies implicate physical activity in provoking knee OA, while others suggest that physical activity may actually protect the knee joint from the disease. Researchers Find Biological Clock For Smell In Mice Biologists at Washington University in St. Louis have discovered a large biological clock in the smelling center of mice brains and have revealed that the sense of smell for mice is stronger at night, peaking in evening hours and waning during day light hours. A team led by Erik Herzog, Ph.D., of Washington University, discovered the clock in the olfactory bulb, the brain center that aids the mouse in detecting odors. Diagnosis By Patterned Paper: Photoprinted Paper Supports Simultaneous G. Whitesides and his team at Harvard University have developed a prototype for an inexpensive, highly practical rapid test that can be used to carry out several biological tests simultaneously on a single drop. As they describe in the journal Angewandte Chemie, their tests are based on tiny pieces of paper onto which defined, millimeter-sized channels are printed.
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