Tag: "researchers" at biology news
Changing Continental Runoff Patterns Could Change Ocean Circulation
...l ocean circulation today. One reason why the researchers
are looking at the early Eocene is that it was the most recent warm period in the Earth's history. Researchers believe that we are heading toward a warmer period, possibly much like the early Eocene. "From various indicators in the geological ...
North America Hit Hard By Asteroid Strike In Yucatan 65 Million Years Ago
... the November issue of the journal Geology . The researchers
suggest that the relatively low angle of the Yucat... indeed the day the Earth shook." As evidence, the researchers
show that the horseshoe-shaped Yucatan cratermatches the structure of craters on the moon and Venus ...
Northwestern Scientists Discover How Herpes Simplex Virus Infects Cells
...Knowing how this virus penetrates lymphocytestakes researchers
one step closer to understanding how recurrent herpeticdisease can occur in persons with normal immune systems and will lead todevelopment of new classes of antiviral drugs," said Patricia G. Spear, whoheads the laboratory at Northwestern where the d...
Antarctic Science Season Gears Up With Searches for Meteorites, Neutrinos, and New Life Forms
...k Station in East Antarctica this season. Some 30 researchers
from the United States, France, and Russia study the ice record, expected to stretch back perhaps half a million years. Studies of Vostok's ice have already shown a close link between climate over the past 200,000 years and changing concentrations of...
Study Examines How Mechanisms Evolve To Regulate Bee Development
...ing sex, get to workearly. The hormonal mechanism, researchers
say, has a genetic basis, becausethe drone sons of...ive and, when older, forage -- exist inthe drones, researchers
found. When the hormone level was elevated, dronesbegan to seek virgin queens earlier than same-aged...
Genetic Makeup May Explain Why Some Women Smokers Develop Breast Cancer While Others Don't, UB Study in JAMA Reports
... of developing breast cancer may lie in her genes, researchers
at the University at Buffalo and the National Canc... the incidence of breast cancer among smokers, the researchers
used data from an earlier case-control study of the disease. Extensive data were gathered on medica...
Animal Studies Indicate Aging Brain Responsive To Estrogen
WASHINGTON -- Duke researchers
have found that aging female rats treatedwith estr...ies removedand, thus, were making no estrogen. The researchers
divided the rats intothree treatment groups -- those receiving no estrogens, long-term chronicestrog...
Brain Mapping In Real Time
...he brain while the subject is in the scanner. The researchers
demonstrated this capability yesterday at Supercom... a usable image. To deal with this bottleneck, the researchers
turned to PSC. CMU statistician William Eddy and UPMC physicist Doug Noll worked with Goddard and PS...
Cornell Scientists Find Way To Boost Rice Crop Yield -- They'll Walk On The Wild Side
...fessor of plant breeding, along with other Cornell researchers
are announcing their research in the journal Natur...na, also contributed to the research. The Cornell researchers
used grants from the U.S. Department of Agriculture and the Rockefeller Foundation. "Land mass is ac...
Sea Turtles Have Favorite Oceanic Routes
...d 87 days, but that was enough time to provide the researchers
the first record of the turtles' preferred path. E...in the direction of the Galapagos Islands, and the researchers
managed to track some of the turtles well beyond the Galapagos before the transmitters expired. Even...
Twin Study May Ease Parents' Concerns About Late Talkers, Underscores Impact Of Environment On Language Development
...share on average about half oftheir genes, enabled researchers
to determine which skills were linkedprimarily to genetics and which could be attributed primarily to a sharedenvironment. Nonverbal tasks, like stacking blocks or finding hidden toys,showed a strong genetic link and almost no environmental ...
Bacterial Protein Structure Hints At Mechanism Of A Class Of Premature Aging Diseases
...s the first step in that direction. The Duke researchers
have shown that the RTP, rather than simply acting...ith," said White. To test how RTP works, the researchers
had to create a mutant versionof the protein that would not interact with the helicase but wouldn't ...
Researchers Develop Model Using Birds As Indicator Of Wetlands Health
...ypes of wetlandenvironments. For example, U.S. EPA researchers
are interested inthe possibility of using birds to monitor riverside environments.Coleman has been invited to share his findings with EPAresearchers in a special seminar on Tuesday, Dec.10....
Two Long-sought Diabetes Gene Found
...f a gene that could cause diabetes. It allowed the researchers
to successfully predict which children from the fa...e gene as NIDDM2; different forms of the gene, the researchers
suggested, may contribute to both early- and late-onset versions of NIDDM.Now both MODY1 and MODY3 h...
No Such Luck: Nitrogen From Air Pollution Unlikely to Moderate Global Warming
...rogram, which funded the research. The two researchers
spent 12 years studying the effects of experimenta... occur in some lakes when phosphorus is added, the researchers
said. In lakes lacking phosphorus, the addition of this nutrient -- often a result of human activit...
Optical Microscopy Shines Light On Biology
...oscopy and the newly developed cantilevered probe, researchers
can examine individual biological molecules. "It's important to see what single proteins do and map their distribution in a system," he said. "If you can understand that, it can lead to a better understanding of how protein changes affect biological ...
Fast Measurement Technique Reveals Early Steps In Protein Folding
...all, oxygen-carrying protein apomyoglobin,U. of I. researchers
have found that the initial steps of helix formati...plete. "Before we conducted our experiments, many researchers
thought proteinfolding was a slow and inefficient process," Gruebele said. "Nowthat we have pinned i...
Environmental Impact Statements Need To Be Made Easier To Decipher
...y writtenat a 10th-grade reading level -- U. of I. researchers
traveled to Joliet,Ill., to see how well 113 high ...rcent, 33 percentand 50 percent, respectively, the researchers
noted. "These are clearly failing marks," Sullivan said. "The understandinglevel achieved by this d...
Robots, Virtual Reality & Other "Smart" Tools Soon Will Help Physicians Heal Patients
...vened 52 engineering, computer science and medical researchers
from seven nations, nominated by their peers, to assess the status and research needs of this rapidly advancing field. "We are not talking about replacing physicians, but providing them with more precise tools that take advantage of physician...
Disease Resistance Mechanism Identified in Plants
...sistance has been identified for the first time by researchers
funded by the National Science Foundation (NSF). ...cterial speck disease" in tomatoes as a model, the researchers
confirmed a decades-old notion that disease resistance in plants is triggered by the interaction of ...
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