Tracing the evolution of sex chromosomes
...idPage, a member of the Whitehead Institute and an expert on the Y chromosome, whowonder how these unique chromosomes first came about. Now research by Dr. Pageindicates that sex chromosomes descended from an ordinary pair of autosomes thatover hundreds of millions of years evolved into the modern X and Y ...Colorado State scientist is Ecological Society of America president
...of ecology through reports, journals, research and expert testimony to Congress and other governments. The society encourages members to responsibly apply their research and ecological expertise to public issues through teaching and public interaction. Members solve environmental problems such as habitat a...SPIRE seeks to boost young scientists' job prospects, minority science education
...says a University of North Carolina at Chapel Hill expert who hopes to change that and start a national trend. Dr. Walter E. Bollenbacher, professor of biology, plans to improve the career prospects for postdoctoral students by offering them more diverse training. A new $4 million, five-year grant from t...Giant plant-eating dinosaur found; two cast skeletons to be unveiled
...elic in its own day," said Jeff Wilson, a sauropod expert on Sereno's team from the University of Michigan. An analysis of the dinosaur record in general by Sereno and co-authors of the journal article revealed an uneven pace of skeletal change. "Some dinosaurs change a lot in a short amount of time, where...Lizard research bolsters theory that forest edges are hotbeds of speciation
...y NASA's Jet Propulsion Laboratory, remote sensing expert Dr. Sason Saatchi and post-doctoral researcher Dr. Catherine Graham (SFSU) will identify the rate of habitat loss using historical data, and paint a clearer picture of the geographic elements of rainforest systems that are associated with species div...$500,000 gift launches new clinical research effort in peripheral neuropathy
... in January of 2000, will include neurologists, an expert in orthotics and a physical therapist. "Peripheral neuropathy is a neglected and frequently misdiagnosed nerve disorder," said Raymond Roos , M.D., professor and chairman of neurology at the University of Chicago, and one of relatively few neuro...Historical information available on Taq polymerase findings at the University of Cincinnati
Cincinnati -- Background information and expert commentary concerning the Taq polymerase patentruling is available from the University of Cincinnati department of biological sciences. U.S. District Judge Vaughn Walker ruled Tuesday that the 1990 patent involving Taq polymerase wasissued, in part,...Laser light from Free-Electron Laser used for first time in human surgery
...t clinical test on Friday, December 17. Under the expert guidance of Michael Copeland-a former Vanderbilt neurosurgeon now in privatepractice in Kansas City, Missouri-a beam of infrared light tuned precisely at 6.45 microns (6.45thousandths of a millimeter) successfully removed a sugar-cube-sized amount of...Fertilizers linked to amphibian deaths
...ndrew Blaustein, a professor of zoology at OSU and expert on global amphibian declines. "Right here in the Pacific Northwest we're having localized extinctions of some amphibians and widespread declines in others. We now have clear evidence that nitrate and nitrite exposure at levels considered safe for hum......other how unusual the Earth is," said Brownlee, an expert on comets, the space bodies that might have delivered the first organic chemicals and life-sustaining water to Earth. In fact, he and Ward, whose extensive research on the fossil record has provided key insights into prehistoric mass extinctions, fre...University of Chicago researchers uncover first steps in cell-cell adhesion process
...and biochemistry & molecular biology. Fuchs is an expert on epithelial cells and skin diseases. The researchers used keratinocytes, a type of skin cell, to study the earliest stages of cell-cell binding. The first step to a tight bond between cells is the formation of what scientists call adherence j...Pioneering evolutionist Ledyard Stebbins dies at age 94
... the world." "He was certainly the world's leading expert on plant evolution," said Francisco Ayala, BrenProfessor of Ecology at UC Irvine and Stebbins' longtime friend and professional colleague. Stebbins became a professor of genetics at UC Davis in 1950, just after he published "Variationand Evolution in...Celiac disease not as uncommon as once thought, say researchers at Wake Forest
... D. Hill, M.D., a pediatric gastroenterologist and expert on celiac disease at Wake Forest University Baptist Medical Center. "By following a gluten-free diet, patients will experience no symptoms and lead healthy, normal lives," Hill said. "However, it is easier said than done in some cases. Patients hav...Licensing procedure for genetically modified organisms turns out to be fallible
...tutes and companies.According to the philosophers, expert discussion in such leading periodicals asScience and Nature has to a large extent involved artificial controversies because thematter of the relevance of certain research questions was hardly considered. Theomission in the bureaucratic licensing proc......e to the evolution of ageing," says John Tower, an expert on fruit fly ageing at the University of Southern California. It highlights the fact that mutations that decrease lifespan in some situations are nonetheless selected during evolution because they prove beneficial under other circumstances. James Cu...Symposium focuses on implications of 'The New Microbiology'
...op consensus-building position papers that provide expert scientific opinion and advice on current and emerging policy issues in microbiology....Amphibian declines complicated, disturbing
... the world are going to be disappointed, a leading expert said Friday at the annual meeting of the American Association for the Advancement of Science It's now a certainty that there are multiple causes which are contributing to this problem, said Andrew Blaustein, a professor of zoology at Oregon State Un...International trade imperils U.S. plants, animals and crops
... associate professor of integrative biology and an expert on invasive plants. "Most harmful non-indigenous insect pests and plant pathogens arrive in the U.S. as stowaways on nursery stock, raw logs or cargo containers. And many invasive exotic plants are purposely introduced through the horticultural marke...Pain drug reveals what most already know - men's and women's brains are simply different
...hor ofthe study, Howard Fields, MD, PhD, a leading expert on the brain mechanisms ofpain and a pain-treatment specialist. Fields is UCSF professor of neurology, amember of the Keck Center for Integrative Neuroscience and director of the UCSFWheeler Center for the Neurobiology of Addiction. "There may be cla......he birds' map sense. Bob Beason, a bird navigation expert at the State University of New York in Geneseo, says the work is intriguing. "The idea that pigeons might use infrasound for orientation has been around for a while." However, he thinks Hagstrum has more work to do to show that Concorde confused the ...