One Chimp Can Perceive States Of Awareness In Others
...dden predator. "This suggests that one chimp does recognize the different knowledgestate in the other chimp," Boysen said. "Darrell didn't know whatthe predator was going to do so he had to make a prediction, a rapid assessmentof the situation. He made the decision that there would be trouble if hed...Maternal Lead Exposure Linked To High Numbers Of Cavities
... Medicine. The scientists say that while lead does not actually causecavities, it appears to make rats -- and thus people, whose teethget cavities in an identical manner -- much more susceptible. "This is one more compelling reason to get lead out of theenvironment," says lead investigator Willi...Researchers Discover First Animal Strain Of Hepatitis E Virus
...ons, even where hepatitis E disease does not occur. Furthermore, the degree of genetic divergence of the swine virus from human hepatitis E virus suggests that it has been around for a long time." In addition to the ...Early Menarche Puts Young Girls In Peril
...arlier than ever before, but within a society that does not protect or nurture them in ways that were once a hallmark of American life. . . . Contemporary girls seem to have more autonomy, but their freedom is laced with peril." Sexual liberalism without a feminist base can have negative consequences fo...E. Coli Genome Reported: Milestone Of Modern Biology Emerges From Wisconsin Lab
... The E. coli strain used in the Wisconsin study does not cause disease,but related strains are toxic and have been implicated in an increasing number of human food poisonings from products ranging from ground beef to unpasteurized apple juice to fecally contaminated lettuce. With the K-12 E. coli genom...MGH-Led Team Finds Gene For Crippling Neurologic Disorder
...t off, there is no stopping it, but if the process does not start by 28, people with the mutation are virtually free from the risk of developing symptoms. We now have an important clue to help us find that trigger and, we hope, to stop it." The members of this research team have been searching for the D...Scientists To Study Effects Of Global Warming On Wetlands
...e effects of that phenomenon. In turn, temperature does have a strong effect on many ecosystem processes." Chen said previous studies have raised the possibility that globalwarming might result in a lack of physical energy for natural ecosystems andthat species richness abundance could change depe...Molecular Piracy Turns Protein Into Traitor
...ine so that it binds to the chemokine receptor but does not stimulate the normal response. Instead, the resulting viral chemokine, vMIP-II, acts as an antagonist blocking the normal action of the receptor. Even more surprisingly, vMIP-II is able to block two distinct types of chemokine receptors, so call...Lethal Parasite Prime Suspect In Fish Kills At Salton Sea
...igh salinity is optimal for this parasite; it does not live in freshwater or in low salinity conditions. The connection between this parasite, other bacterial infections in fish and the occurrence of botulism in fish-eating birds is still under investigation. Along with environment...Mutant Gene Not Sole Explanation For Hiv Non-Progression
...recently described genetic mutation does not fully explain why a small proportion of people infected with the human immunodeficiency virus (HIV) remain completely well for a decade or more, according to investigators at the Nationa...New, Environmentally Friendly Technique For Separating Liquids Invented At UNC-CH
...on with global warming, but using CO2 as a solvent does not result inany net production," Brennecke wrote. "In fact, most CO2-based processes aredesigned to recycle and reuse essentially all of the CO2. With this in mind, theexcitement about CO2 has developed because of its potential to replace hazardouso...New "Wonder Peanut" Beats Olive Oil In Healthful Benefits
...rs, this is the peanut everyone's eating. Not only does it taste good, it holds its flavor longer." What gives the peanut its health-promoting qualities is its chemistry, Gorbet says. It has more than 80 percent oleic fatty acid - compared with about 50 percent in regular peanuts. Fatty acids are a major ...Limits Of Life On Earth: Are They The Key To Life On Other Planets?
...e pressures reach many tons per square inch. How does one study the ancient climate of Mars? James Kasting of Pennsylvania State University hopes to look back through time and see what the paleoclimate on Mars was like. Early Mars appears to have had a warm and wet climate, but existing climate model...Geologist Finds Hidden Patterns Of Diversification In Ordovician Radiation
...ntdifferences in the patterns. "The global pattern does not matchany localized pattern," said Miller. "The...a bigway," said Miller. However, Miller's analysis does not support a competing theoryfor diversification in the Ordovician either. That theory used"ecologi...Cornell Text On International Nutrition
... humankind; that one-fifth of the developing world does not have adequate food is unacceptable and of the deepest concern," says Latham, a physician, expert in international nutrition and tropical public health and former director of Cornell's Program in International Nutrition for 25 years. Intended fo...Genetics Debate Suffers From Misinterpretation, Scholar Says
...he Bell Curve" lacks merit, Hirsch said, becauseit does the same thing. In another Genetica article, Gordon M. Harrington of the University ofNorthern Iowa challenges some of the 25 points made by 52 experts who endorsed"The Bell Curve" in a December 1994 opinion piece in the WallStreet Journal. The endo...Common Food Dye Can Cause Severe Allergic Reactions
...t," he says, "we're not going to find it." He does not advocate removing the colorant from the market, and points out that several large studies have found it to be safe and non-toxic. It would be helpful, however, if the FDA required cochineal extract and carmine to be listed as an ingredient on fo...Purdue Researchers Track Oil Spill's Effects On Sea Otters
...e," he explains. "In the event that the population does not thrive as it should, we can re-evaluate the animals, comparing their current condition to before they were introduced, and try to determine if something in the environment is affecting them. "Ultimately, I'd like to apply what we learn in Alaska ...Stress Lowers Sperm Count By Overwhelming Cells That Make Testosterone
NEW YORK - Why does stress cause a man's sperm count to plummet? Resea... essence, according to Hardy's data,glucocorticoid does for the developing Leydig cell what it does for other cellsin the body. Fully matured Leydig cells r......ce, he can predict that, if our West Coast climate does warm, it will eliminate some current alpine and sub-alpine meadows astrees move up the mountains. "This has already been observed in some regions in the Pacific Northwest such as the Olympic Peninsula," he notes. He says that a prolonged warming tren...