Transgenic fish could threaten wild populations
...natural world is notnearly as orderly, and genetic background changes could negate the Trojan gene," he says. The dominance of sexual preference over Charles Darwin's classic theory of survival of the fittest isnot unknown to wildlife specialists and geneticists. Muir likes to use the example of the male bird o...Bees wearing reflectors help scientists track insects training flights
...he bee flies, the signal can be discriminated from background radar reflections because only the tagged bee responds with the frequency being broadcast in a field. The findings suggest that orientation flights allow bees in a progressive way to visit different positions and view different, and larger, portions ...Taking vitamin supplements is a common behavior in the U.S.
...nts and known contraindications. According to background information in the article, as much as $1.3 to $1.7 billion are spent annually on vitamin and mineral supplements in the United States, making these the third largest over-the-counter drug category used....New fossil snake with legs, reported in Science
... us to use its anatomy as a guide, and gave us the background to see just how much these fossils looked like advanced snakes." But a riddle remains: why do these two snake species have hind limbs? If legs were the norm for snake ancestors, it would make sense to see the species' advanced anatomy as only superfi...... smoking habits and education levels) and everyday background radiation exposure beyond what was caused by the T...n we controlled for these risk factors, along with background radiation factors, we found that the elevations in mortality were not note-worthy." Likewise, eleva...Spring meeting press conferences
...cycling. These developments will provide technical background for announcing the U.S. Carbon Cycle Research Program. This program began with a grassroots plan developed within the research community to address large uncertainties in the global carbon budget and in the prediction of future trends in atmospheric ...Discovery shows how brain 'fills in blanks' to help us see
...etimes they appeared fat or thin, depending on the background noise. (The sides of fat objects bend outward while sides of thin objects bend inward.) By averaging the luminance of the visual noises that led to fat or thin responses, the researchers determined which parts of the stimulus were important for these...Purdue researchers clean up petroleum spills with plants
...lems combined with Schwab's strong plant and soils background is a marriage that makes phytoremediation work. Their son complains that they always talk about work at home, "which makes us better researchers, although it makes us a little narrow in some ways," Banks says. Banks and Schwab have used plants to he...Simple and inexpensive, an artificial nose senses smell by seeing colors
... to easily detect odors regardless of the humidity background is definitely a big advantage."...UNC-Duke Scientists develop interactive learning tool simulating nerve function
...ionic environment. Hyperlinks lead the student to background information, including original classic papers on the CD-ROM, to help them interpret their observations. "The NeuroLab simulator is designed to give students the chance to explore important neurophysiological problems in far greater depth than is typ...New research highlights concerns over children born through donor insemination
...know." Many found it difficult to talk about their background and felt others would be judgemental and unsympathetic, yet most expressed a need to talk. Ms Turner said that recruitment through support networks may have led to bias towards participants who needed to resolve identity issues and there may have bee...Program shown to help non-alcoholics reduce drinking 66%
...ed and experienced in alcohol education, and has a background in nursing, social work or health education. Those who decide to continue then jointly develop an action plan with their counselor. They then take part in either four one-hour private sessions, five two-hour group sessions, or four one-hour telephone...Snapping shrimp drown out sonar with bubble-popping trick, described in Science
...re so dense that they produce a constant crackling background noise, similar to the sound of burning dry twigs. ...ce the shrimps' snapping is the dominant source of background noise in the shallow ocean. This noise seriously interferes with efforts to detect underwater object...October Geology and GSA Today highlights
...o measure remotely because of the high atmospheric background levels of these gases. The authors report here precise field determinations of both steam and CO2 emissions from the active Masaya volcano, Nicaragua, using an infrared spectrometer. Masaya is amongst the worlds most prodigious point sources of sulfu...Increased consumption of whole grain foods associated with decreased risk of stroke
... did not use postmenopausal hormones. According to background information in the study, although increased intake of grain products has been recommended to prevent cardiovascular disease, prospective data examining the relation of whole grain intake to risk of ischemic stroke are sparse, especially among women....Tracking a genetic basis for alcohol-related hypertension
...xposure than other strains did. A person's genetic background may influence their blood-pressure response to alc...ll. We were interested in knowing whether genetic background could influence blood pressure response to alcohol in a mouse model that allowed controlled blood al...UCSF Comprehensive Cancer Center program triumphs
...sease, and clinicians don't have the basic science background to do the research that the basic scientists can do," says Carroll. "When you get these two groups working together, which we really do, you're able to make the most progress the most rapidly." Prostate cancer affects one in six American men, and wil...Aslera™ improves lupus disease activity and symptoms
...se at baseline and permitted patients to remain on background therapy such as the corticosteroid prednisone, however prednisone dosage at study entry was limited to no more than 10 mg/day. In the study, the primary endpoint was proportion of responders, which was defined as improvement or stabilization, compare...New research shows calcium deficiency permits faster lead release from pregnant women's bones
...ge. That means there may be virtually no 'natural' background of blood lead for which man-made sources can't be identified." Those characteristics, or variables, that correspond with more lead include smoking, less education, being black and low calcium intake, she said. Variables associated with a reduced lead...Press invitation: The science of stem cells - December symposium at Imperial College
...y area, providing journalists with a comprehensive background to the science of stem cells and a guide to the future directions of tissue engineering research. Speakers from across the College and from other institutes include: Professor Lord Robert Winston, Professor of Fertility Studies, Imperial College, on...