Duke study disputes idea that trees can 'relocate' quickly in response to climate change
... previously, although their objections "were never really taken seriously," Clark said. "One of the main iss...o the ice than we thought. Maybe there weren't the really severe winters there we traditionally think of. It could be that the climate of that time is somethi...Lake research offers clues to managing crayfish invasions
...mnology and a presenter at the meeting. "They have really dramatic and traumatic effects on the ecosystem." To date, the promise of successfully removing rusty crayfish and restoring the habitat has been bleak. For example, bait traps tend to catch only the largest rusty crayfish, and biocides, chemicals pr...APS/IUPS launch PHYSIOLOGY bimonthly
...The need for a focal, or 'driving,' publication is really a reflection of the growth of physiology over the past 10 years," Dr. Boron said. He noted that the Human Genome Project--and genome projects for other organisms--have been a major boost to the discipline and its "role in integrating function from th...Save the rainforest - eat a tree
...America's temperate zone. Yet the tropics really aren't different than other regions in terms of variations in soil, altitude and rainfall. So why do tropical rainforests have greater species diversity? "In a world without herbivores, our study predicts there would be a much lower divers...Casanova or caveman: Scientists isolate nerve cells that choreograph male fly's courtship behavior
... some debate about whether the courtship ritual is really made up of subroutines or whether it's one continuum," he added. "What we found is that while interfering with the neural network changes the sequence, the individual subroutines - such as licking and singing - are still there. This suggests very str...The blind really do hear better
...the Universit de Montral have shown that the blind really do hear notes more precisely but only if they became blind when they were very young. Their findings, Pitch discrimination in the Early Blind, were published in the journal Nature (July 15th). Dr. Robert Zatorre, a cognitive neuroscientist at the ...New framework for biodiversity conservation
...ught we needed to be more systematic and we became really good at identifying priority areas for protection without taking into account opportunities in the real world - the rise and fall of property values and who might be influenced to sell," says co-author Hugh Possingham. "We've taken a passive theoreti...Research reveals role of gene in infertility
...omosomes are not cut in the first place, you don't really need the RAD51 to repair it." These experiments demonstrate that RAD51 has an essential role in the biochemical repair of DNA during recombination. They also establish that this system for repairing broken chromosomes, which previously was known to...Scientists describe the world's smallest, lightest fish
...ntly recognized it as something special. "It was a really good day when I first looked under the microscope ...was a new species. I said to myself, 'Wow, this is really great,'" said Walker, a senior museum scientist in the Scripps Marine Vertebrates Collection. "But a...Drug prevents chemotherapy-induced hearing loss, study finds
...c effect away from the tumor," Muldoon said. "We'd really like to protect hearing without protecting the tumor." NAC also appears to protect against other side effects of cisplatin use, such as gastrointestinal and renal toxicity. In fact, rats given NAC 15 minutes before chemotherapy exhibited less overall...Protective mechanism exploited by tumors may provide new cancer treatment
...at allowed us to test them in vitro to see if they really were suppressive like we thought," Dr. Munn says. "Then, the most convincing part of this to us was that we could transfer the cells from a mouse that had a tumor into another that didn't and see if the immune system of the tumor-free mouse also beca...Leading scientists design new framework for biodiversity conservation
...ught we needed to be more systematic and we became really good at identifying priority areas for protection without taking into account opportunities in the real world - the rise and fall of property values and who might be influenced to sell," says coauthor Hugh Possingham of Queensland University, a leadi...Italian research links diet with endometriosis risk
...he diet to lower the risk it is vital that we gain really firm evidence about which foods protect and which foods increase risk."...Vioxx in high doses causes hypertension
...udy that shows that 50 is better than 25. "This is really common with a lot of drugs, that there's a ceiling on the effective dose But unfortunately, there's usually not a ceiling on the side effects." Griffin and her colleagues, who include Wayne A. Ray, Ph.D., professor of Preventive Medicine, and C. Mic...Study reveals evolution on the (butterfly) wing
...r Science Program. Said Reed, "The wing pattern is really the way the butterfly communicates with the world around it. And if we can understand the developmental basis of wing patterns in terms of butterfly ecology and evolution, we can start asking some profound questions about fundamental mechanisms of bi...New study in moths shows insects not entirely ruled by instinct
...l gains experience," Daly said. "Ultimately, if we really want to understand how an animal changes its behavior, we have to go into the brain," he continued....Secret behind hard exoskeletons, spreading wings revealed
.... "What you can gather from that is that nature is really very conservative. It creates the same structure b...ducing both. The molecular probe showed us that we really had the right stuff." Honegger's colleague at Cornell, John Ewer, then made transgenic fruit flies b...Chipmunks descended from ancestors that survived last ice age, scientists say
...ipmunks in Indiana and Michigan," he said. "There really is no clear geographical barrier at present that should lead to their isolation, so chipmunk history may be responsible. From our data, this history appears to include colonization of the Midwest from multiple sources such as separate ice-age refugi...Report outlines steps needed to lessen smallpox threat
...ion machinery. So, these viruses would enable some really exciting cell biology to be done. "And the third area pertains to why humans die of smallpox. Our experience with HIV has told us that why you become dangerously ill from a viral disease may be as related to your response as to what the virus is doin...Confidentiality of genetic databases questioned by Stanford researchers
...s looked at this problem before and asked, 'Can we really release genome-wide information about individuals ...e sample is anonymous," Lin said. "We found that's really not true because the DNA code itself is an identifier." To demonstrate this, the researchers looked ...