Genes expose secrets of sex on the side
...tion is for more women to have children than men," said Jason Wilder, a postdoctoral fellow in UA's Arizon... of Y-chromosome and mitochondrial DNA variation," said Wilder. "What can we learn about human behavior?" To find out, Wilder, Hammer and Zahra Mo...Brown ecologist garners major National Science Foundation grant
...Scientists usually work in their separate worlds," said Schmitt, the Stephen T. Olney Professor of Natural...to canola, cabbage and other edible crops, Schmitt said the findings should help improve food production. Schmitt said the research should also help scienti...22nd amino acid synthesized and added to genetic code of e. coli bacteria
...ly what the chemical structure that we'd predicted said it should be," Krzycki said. The final step was to see if the translator enzyme for L-pyrrolysine would function normally within a living cell. To test that, they inserted the enzyme into Escherichia coli bacteria. Researchers use E. coli as an easy ...Genetic modification of linseed produces healthier omega 3 and 6 fatty acids
...re linked by single bonds between carbon atoms are said to be "saturated" by hydrogen atoms, whereas the i...en atoms along the chain, and such fatty acids are said to be "unsaturated". A "mono-unsaturated" fatty acid contains a single double bond within the carbon...US investment firm gives away Rhode Island-sized lands in Chile
...efforts to save wildlife and conserve wild lands," said Dr. Steven Sanderson, WCS President and CEO. "Goldman Sachs, the Goldman Sachs Charitable Fund, WCS and the people of Chile will be pioneering a new kind of partnership for conservation of these precious wild lands, which reflect the importance of Ch...Popular Science announces Third Annual 'Brilliant 10'
...mising minds in science to a mainstream audience," said Mark Jannot, Editor in Chief of Popular Science. "This is a group of ten people largely unfamiliar to most, but their work will change our lives." The Third Annual Popular Science "Brilliant 10," in alphabetical order, are: Robin Canup, 35, Sout...K-State, other universities to study how climate affects plant evolution
... being funded by the National Science Foundation." said Steve Welch, professor in the university's agronom... real benefit for both our state and our country," said Ron Trewyn, K-State's vice provost for research. Led by evolutionary ecologist Johanna Schmitt of ...Information system to help scientists analyze mechanisms of social behavior
...d how lives are carried out in an animal society," said principal investigator Bruce Schatz, professor of ... whether behavior is caused by nature or nurture," said Schatz, who also directs the Community Architectures for Network Information Systems (CANIS) Laborat...Cockroach-like robot leads new research effort
...cal sciences. "The hallmark of life is movement," said Robert Full, professor of integrative biology at UC Berkeley and leader of the team. "Yet, no single systems-level model, reaching from neurons to muscles to the skeleton to the whole body, can explain the control that makes movement possible. You ha...NSF announces six 'FIBR' awards to tackle some of biology's most challenging questions
...premier, crosscutting programs in biology at NSF," said Mary Clutter, head of NSF's Biological Sciences directorate. "By undertaking highly innovative and broadly integrative approaches to research in biology, FIBR projects tackle grand challenges and promote the training of a new and fearless generation ...USC study links historical increases in life span to lower childhood exposure to infection
... everybody's nose and made a coherent hypothesis," said Caleb Finch, the study's lead author and holder of... much younger age than other studies." Finch said the study's findings are consistent with observations that modern-day drugs that fight inflammation ...New way to protect brain from stroke damage
...as it sets off a cascade of events toxic to cells, said neurophysiologist and lead author of the study (Zhi-Gang Xiong of Robert S. Dow Neurobiology Laboratories in Portland, Oregon). What's more, the team reports, rats injected with agents known to block ASICs--including the venom of a tarantula spider--...Washington University in St. Louis leads group studying aging process
...mitrella use to handle this chemical environment," said Pakrasi. "We're approaching this in a systematic ...hallenge, but the novelty is a lot of fun."Pakrasi said the first move will be to model the system in cyanobacteria and then extend it to plants to see how ...Folic acid vitamin use by women reaches all-time high, March of Dimes survey finds
...have been on low-carb diets in the past six months said they actually took a daily multivitamin containing...cted for women not dieting (39 percent). She also said the March of Dimes urges all women to eat a varied, healthy diet before and during pregnancy. Of w...9/11 search-and-rescue dogs exhibit few effects from exposure to disaster sites
...oth for the animals and the human rescue workers," said lead researcher Cynthia M. Otto, associate professor of critical care in Penn's School of Veterinary Medicine. "Since dogs age more rapidly than humans, they can serve as sentinels for human disease. We are encouraged that we do not see significant...Human chromosome 5 final sequence analysis released to public
...or scientists trying to understand human disease," said Secretary of Energy Spencer Abraham. "I'm pleased...research community can trust and put to good use," said Richard M. Myers, Professor and Chair of Genetics, who is also the director of the Stanford Human Ge...Ecology of infectious diseases grants awarded
...of numerous infectious diseases around the world," said Sam Scheiner, EID program director at NSF. "The c...ctious disease ecology has been largely piecemeal, said Scheiner. According to infectious disease specialists and ecologists, the potential benefits of an ...Protein is key to fatal disorder and normal cell function
...ke cln3, that are vital for normal cell function," said Rose-Mary Boustany, M.D., a professor of pediatrics and neurobiology at Duke University Medical Center and senior author of the study. The results appear in the September 2004 issue of Pediatric Research. The study was supported by the National Insti...A liking for sweets, combined with novelty seeking, may predict alcoholism
...as measured by the paternal history of alcoholism, said Alexei B. Kampov-Polevoy, assistant professor of p..., was sufficient to make such a prediction. Kampov said that he and his colleagues decided to examine the role of novelty seeking in the equation because pr...... them such as fat, glucose and other metabolites," said Robert Wind, a physicist and laboratory fellow at the Department of Energy's Pacific Northwest National Laboratory, and slow-spin technique inventor. "We think this new technique can be used to diagnose diseases and assess the body's response to drug...