Study to determine if infidelity among birds an attempt to avoid inbreeding, diversify genes
...rative study by a team of international biologists examines how the mating tactics of females of three species of socially monogamous shore birds -- western sandpipers, Kentish plovers and common sandpipers -- that are paired to genetically similar partners. Their findings appear in the current issue of the...JCI table of contents: October 1, 2002
... anemia. A study in this issue (pages xxxyyy) that examines hepcidin levels in other conditions further supports a central role for the peptide in iron homeostasis. Hepcidin mRNA levels dramatically decreased in anemia and hypoxia (both conditions of increased iron absorption), and increased several-fold in r...... of Alcoholism: Clinical & Experimental Research examines women who are married to alcoholics to determine if they possess unique characteristics that may influence their partners' AUDs and/or have an impact on the risk for problems in their offspring. "I'm in the business of trying to understand genetic an...After massive experiment, results favor wildlife corridors
...ngs of the National Academy of Sciences, the study examines two barometers of healthy ecosystems plant pollination by insects and the dispersal of seeds by birds and concludes that corridors encourage the movement of plants and animals across "fragmented" landscape. The findings of the study are important, ...Convergent technologies: Is your company ready for the future?
...echnical Insights' Inside R&D subscription service examines the National Science Foundation's view on converging technologies in its monthly column on Managing Innovations. Further, the annual survey by Inside R&D reveals that the top 100 U.S. companies have spent more than $124 billion on R&D in 2001, up 16...Future advances of 20,000-year-old coatings technology detailed in upcoming Science magazine
...res of civilization. Matheson's paper in SCIENCE examines change in soft coatings technology from its current state by identifying key issues that attract research and development efforts at the dawn of the 21st century. Matheson points out that today's challenges are to decrease the environmental footprin...Researchers suggests a potentially damaging effect of extremely low frequency electromagnetic fields
... cancer. The research in Cancer Cell International examines the effects of combined ELF-EMF and ionising radiation on human cells. The researchers could not find any change in the process of cell division in cells exposed to ELF-EMF alone, but exposure to ionising radiation predictably caused the process of ...Converging technologies can improve human performance, report says
...ience Foundation (NSF) and Department of Commerce, examines the integrated role of nanotechnology, biotechnology, information technology, and cognitive science in improving mental and physical performance. The recommendations outlined in the executive summary are "far-reaching and fundamental, urging the tr...Big fish not always best, sounds might mean hurricanes and Hawaii tsunami safety
...nformation for hundreds of miles, Makris's project examines whether hydrophones deployed on the ocean floor can gather acoustic data to better predict hurricanes. Single hydrophones, placed strategically under the ocean, could record the sound associated with high winds and then provide accurate information a...Improving water use in growing corn possible, study shows
...rigated corn production in the region. The article examines the relationship between no-till corn yields and soil water availability for the purpose of improving water-use efficiency. Total rainfall in the mid-Atlantic region is generally adequate for corn production, Alley said, but the amount of rain fallin...First live studies of important cell structures may shed light on Alzheimer's, other diseases
...ies is that a search on a popular Web browser that examines three billion Web pages found less than 200 references to them - and most of these references are to autopsy findings. The Fechheimer paper reports the first method of reproducing Hirano bodies in the lab - a key that could open doors to new studies....Gender differences in fatigue explained by the use of the body's aerobic pathways
...tivation as a factor), and electromyography (which examines the level of muscle activation). Results The results support the hypotheses that women fatigue less than men, but when deprived of oxygen, they fatigue to the same extent. Conclusions This effort examined only one muscle, the tibialis anterior (upper...Spinal cord injury and Alzheimers risk among topics at American Chemical Society meeting
...nited States, some of them fatal. A safety expert examines some of the dangers of everyday products and recommends ways of reducing their risk during a special symposium on common hazards found in homes. (CHAS 6, Sunday, April 7, 3 p.m., Convention Center, Room 308C, Level Three) Drug targets complica...Researchers project future shrinking biodiversity of Mexican species
...eat many species across a whole community but also examines them one-by-one, using realistic assumptions about their ability to change where they live in response to climate change. "That species-by-species look has allowed us to appreciate just how big the differences are in the way each species can respond......eat many species across a whole community but also examines them one-by-one, using realistic assumptions about their ability to change where they live in response to climate change. "That species-by-species look has allowed us to appreciate just how big the differences are in the way each species can respond ...APS announces its 2002 Young Investigators Awards
...ate University's School of Medicine. His research examines how the brain controls blood pressure and breathing. Dr. Potts' laboratory is currently focusing on cellular mechanisms that alter the excitability of brain cells located in cardiovascular and respiratory neural networks. This information will assi...Some animals can recognize degree of kinship by scent
...nded by the National Science Foundation, the study examines potentially risky nepotistic behaviors that are shown to close relatives. It aims to answer the questions: How do social animals, such as Belding's ground squirrels, determine which other animals have a genome so similar to theirs that helping them ...Definitive analysis of President's FY2003 R&D budget available
...rends in funding based on legislative history, and examines the impact of funding on individual agencies. This version of the AAAS report supersedes previous, preliminary analyses of R&D in the FY2003 budget. A preview of the new document, based on agency data acquired after the release of the President's bud...Human running on surfaces of different stiffnesses
...nd surface or walking speed. But a new study that examines running on different surfaces could possibly assist in the development of advanced prosthetic devices that change stiffness in response to speed and ground variations. A Harvard research team conducted the study, entitled Energetics And Mechanics o......ns of the second law of thermodynamics. This paper examines what constraints exist on possible configurations of spacetime with negative energy densities. In doing so, it provides examples of some possible configurations in two dimensions as a starting point for further exploration. Journal article: http://l...