Smithsonian-led Amazon research team wins scientific prize
...ago. "We have discovered that forest fragmentation poses an even greater and more complex threat to Amazonian biodiversity than was previously thought."...20 of world's 162 grouper species threatened with extinction
...nal trade to meet an insatiable demand for grouper poses a particularly major threat. The workshop outcom...shing of grouper for the chilled fish markets also poses a significant threat. The Nassau grouper, once one of the most commonly landed groupers in the islan...Root beer may be 'safest' soft drink for teeth
... counterparts. "Drinking any type of soft drink poses risk to the health of your teeth," says AGD spokesperson Kenton Ross, DMD, FAGD. Dr. Ross recommends that patients consume fewer soft drinks by limiting their intake to meals. He also advises patients to drink with a straw, which will reduce soda's c...Eavesdropping nuthatches distinguish danger threats in chickadee alarm calls
... said Templeton. "Nuthatches can tell if a raptor poses a high or low danger from the chickadees alarm call." His earlier work showed that the chickadees had two types of alarm calls to warn about predators. When they see flying raptors birds of prey such as hawks, owls and falcons they issue a soft, ...RNA enzyme structure offers a glimpse into the origins of life
...A (nucleic acids). The circularity of this process poses a challenge for theories about the origins of life. "Which came first, nucleic acids or proteins? This question once seemed an intractable paradox, but with the discovery of ribozymes, it is now possible to imagine a prebiotic 'RNA World' in which ...Carnegie Mellon researchers urge regulators to rethink strategies for soot emission
...al engineering and chemistry. Particulate matter poses a serious health problem. Fifty thousand Americans are thought to die prematurely each year due to particle exposure, and almost 70 million Americans live in areas that violate the federal standard. That standard was strengthened in September after s...Rare mutation causes early heart disease and metabolic syndrome
...ave identified a rare defect in a single gene that poses a substantial risk for metabolic syndrome and early heart disease, the leading cause of death worldwide. The international study, led by Arya Mani, M.D., assistant professor of cardiology, and Richard Lifton, M.D., chair of genetics at Yale, identif...Nanotech promises big things for poor -- but will promises be kept?
...attention be paid to possible risks nanotechnology poses for human health and the environment." Dr. Piotr Grodzinski, director of the Nanotechnology Alliance for Cancer at the National Cancer Institute, National Institutes of Health (NIH) discussed the impact of nanotechnology on diagnostics and therapie...AGU Journal highlights -- February 23, 2007
...ian volcano with a history of explosive eruptions, poses a serious threat to the nearly one million people who live near its flanks, but this hazard is difficult to quantify. Neri et al. used numerical simulations based on flow transport models to analyze possible scenarios of the geographic distribution o...AAAS Panel -- Sustainable aquaculture critical to feed the world
...is a frontier with enormous potential, but it also poses obstacles. Research efforts in our program have yielded extraordinary results, and future exploration will move us closer to increased commercial establishment of these farms." Dr. Shaun Moss, shrimp department director at Oceanic Institute in Hawa...Flu shot might also offer some protection against H5N1
...f the world where H5N1 routinely infects birds and poses a threat to people. "The jury is still out on whether the seasonal flu vaccine is definitely a reliable way to offer people some protection from H5N1," said Richard J. Webby, Ph.D., assistant member in the Virology division of the Department of In...2007 AAAS Annual Meeting Headlines
SAN FRANCISCO -- As global climate change poses a growing threat to society, and many people worldwide continue to lack adequate food, clean water, and energy, the 2007 AAAS Annual Meeting -- set for 15-19 February -- will draw up to 10,000 total attendees to explore "Science and Technology for Su...Satellite data vital to UN climate findings
...ge and forestry activities. Climate change also poses a great threat to the world economy. The Economics of Climate Change' report, also called the Stern review, compiled by Sir Nicholas Stern for the UK government and released on 30 October 2006, estimates that if we do nothing about climate change, th...ACS News Service Weekly PressPac -- January 10, 2007
...s to mix with chemicals in clinical tests and flow poses huge challenges because of difficulties in fabricating tiny pumps. Researchers thus are exploring biological motors, such as the spinning flagella that E. coli and other bacteria use to swim through fluids. In their experiments, Kim and Breuer harn...Researchers discover surprising drug that blocks malaria
... year, mostly African children under five. It also poses a risk to travelers. An estimated 500 million cases of malaria were expected in 2006. Commonly used drugs against malaria attack the parasite, but it rapidly changes its molecular structure to become resistant to those drugs. It would be difficult,...New study links western wildfires to Atlantic Ocean surface temperatures
...tures and the earlier onset of spring in the West, poses "an increased hazard for wildfires that may continue for decades." The paper was published the week of Dec. 25 in the Proceedings of the National Academy of Sciences. While previous tree-ring studies have linked fires in different regions of weste...A simple feedback resistor switch keeps latent HIV from awakening
...or some low level of erroneous transcription. This poses a problem for the virus--how does it prevent stray transcription from erupting into full-blown activation? Certain bacterial viruses manage this problem by encoding intricate repressor circuits that efficiently block transcription. But animal virus...Study reveals clean air challenge for major Asian cities
... achieving better air quality, air pollution still poses a threat to health and quality of life of many peo...c pollutants such as fine particulate matter which poses a real threat to human health." "The study has shown that there is a great opportunity for those c...Embryonic patterning makes the feathers fly
...domly arranged. While the chicken feather movie poses no threat to Hollywood, the researchers say that watching the formative process of stripes versus dots play out was fascinating. From those feathery patterns, a team of theoretical biologists was able to develop a mathematical model that simulated th......," a documentary examining the threats modern life poses to coral reefs in the Florida Keys. The University of Wisconsin-Madison: "Research Journal" reports on three UW research projects: The IceCube Project, an observatory installed in the ice below the South Pole Station; a revolutionary new MRI tech...