A new look at Neoproterozoic Earth
...idence from northern Virginia that also suggests a close link in time between the evolution of large animals and the end of the Neoproterozoic glacial period. Neoproterozoic Geobiology: Fossils, Clocks, Isotopes, and Rocks Wednesday, Nov. 5, 8:00 a.m.-12:00 p.m., WSCTC Ballroom 6B During the GSA Annual Me...Explanation offered for Antarctica's 'blood falls'
...entists have wondered for years how three lakes so close together, with the same climate regime and the same geology, can be so different chemically, Lyons said. We think it has to do with the ages of these lakes. "The research team believes that orginally water drained down the valley to Lake Fryxell. But...Plans finalised for satellites to help safeguard gorilla habitats
...ce, the terrain varies from sea level to altitudes close to 5000 metres. Up until now, the same 1930s-era maps have been the basis of existing DEMs, with a few select areas also covered by Space Shuttle radar data gathered during the mid-1990s. This year ESA and UNESCO formalised with a signature a wider ...Specialized brain helped ancient reptiles fly and hunt
...ly related--birds are dinosaurs and pterosaurs are close cousins of dinosaurs," Witmer said. "We can compare pterosaurs and birds to test hypotheses on how evolutionarily similar, but still quite distinct, animals adapted to life in the air." The brains of the modern birds and the extinct flying creatures ...World's largest forest birds may produce world's deepest bird calls
...the rumbling elephants make to communicate. "When close to the bird, these calls can be heard or felt as an unsettling sensation, similar to how observers describe elephant vocalizations," said WCS researcher Dr. Andrew Mack, the lead author of the study. Known not only for their great size, but also thei...New model of Alzheimer's enzyme may help refine future treatments
...nt tag. This implies the two molecules are located close to each other. Kopan's team confirmed the molecules' close proximity to each other by creating an irreversible chemical bond between the two molecules using a ...Re-engineered blood vessels show promise for bypass surgery, grafts, UMHS researchers find
...istics similar to normal vessels. "This is a very close collaboration between three areas: clinical, engineering and basic biology," says study co-author Robert G. Dennis, Ph.D., assistant professor of biomedical engineering at U-M. Researchers are now looking at ways to use this technology. In one applic...University of Minnesota receives NSF grant to sequence legume genome
... major source of protein for foraging cattle and a close relative of Medicago truncatula. Nevin Young, a professor with a joint appointment in the departments of plant pathology and plant biology in the university's College of Agricultural, Food and Environmental Sciences, will lead the work, which is p...Media Advisory-GSA 2003 Annual Meeting
...s may be faxed to Ann Cairns at 303-357-1074 until close of business this Friday, Oct. 24. Onsite registration will begin in the Newsroom on Saturday afternoon, Nov. 1, at 1:00 p.m. At the meeting, all media registrants will pick up their badges and a copy of the Program book upon arrival at the Newsroom. ...Unfaithful songbirds increase offspring fitness
...half of extra-pair young, those that were sired by close neighbours? The Max Planck team was able to confir...emale choice for 'good genes' was only apparent in close neighbours, but not in distantly breeding extra-pair fathers. Thus, this study is the first to show ...JCI table of contents, 15 October, 2003
...cated adjacent to ECs, which coaxes pericytes into close contact. The presence of a characteristic "retention motif", a region that helps PDGF-B bind to the cell surface is also suggested to help PDGF-B localize in or near ECs. Betsholtz and colleagues found that without this motif pericyte recruitment was...Researchers show autoantibodies occur before lupus in New England Journal of Medicine
...us and that specific autoantibodies are found very close to disease onset," Harley said. In lupus and other autoimmune diseases, the immune system loses its ability to differentiate between foreign substances and its own cells and tissues, causing the body to attack itself. Lupus can affect any part of the...NIH funds 'Breast Cancer and the Environmental Research Center' at Fox Chase Cancer Center
... through puberty. "These four centers will work in close cooperation, bringing all of their expertise to bear upon these questions," said NIEHS director Kenneth Olden. "This will be a united effort among the Centers, not four centers working in isolation." Fox Chase breast cancer researcher Jose Russo, M....Adult alcoholism and attention-deficit hyperactivity disorder are connected
.... "Dr. Johann's findings of a phenotype are very close to what we see in drug addicts with ADHD, and what has been described before by other authors. We see on a regular basis that drug addicts with ADHD are difficult to handle. They start to abuse drugs earlier than other people, change earlier to "ha...Pathways of emotion from cortex to peripheral organs
...e blue. Both blue and red structures could be seen close together in the hypothalamus, specifically in those areas that are involved in the control of peripheral organs. This finding suggested that prefrontal cortex neurons could interact with neurons in the hypothalamus that send messages to the spinal co...UCSB physicist devises way to observe protein folding
... red dye is a photon acceptor. If the two dyes are close together, more red is emitted as the energy is tra... efficient the energy transfer is, which shows how close the ends of the molecule are to each other. By taking a sequence of measurements as the protein fold...New book says Northwest salmon could face same fate as those in Northeast, England
... the lessons of past experiments, but it's getting close to too late," he said. "Relative to Maine, we still have a ton of fish." Montgomery was a member of the independent science panel for Washington state's Governor's Salmon Recovery Panel, serving as vice chairman from 1999-2001. It was in that role t...Real-time 'movies' will predict wildfire behavior for one hour
... hour. "The idea is that all of this will occur as close as possible to real time," Vodacek says. "By the time it takes to collect the data, run it through the model and send it back to the field, it may be 15 minutes old. But, still, that gives you a 45-minute outlook, potentially." The overall goal of th...New findings in yeast may reveal why growing older is the greatest carcinogen in humans
...mise that genetic instability isn't related to how close cells are to death, but how far they are from birth - how many times they've divided. The discovery that an age-dependent switch is somehow activated to trigger genomic instability could have major scientific consequences, Gottschling said. "This hel...Northern climate, ecosystems driven by cycles of changing sunlight
...y in New York, and nine other authors documented a close connection between North Atlantic drift ice and changes in the cosmogenic nuclides beryllium-10 and carbon-14. "Now, Hu's findings in the North Pacific not only strongly corroborate the sun-climate connection we proposed, but they also imply that the...