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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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(Date:12/1/2008)...AGO, Dec. 2 Including a...ble a more meticulous reading from the radiologist...al and empathetic approach, according to a study p...ogical Society of North America (RSNA). , , ... a human being and not as an anonymous case study,...
(Date:12/1/2008)...2 While many Americans a...enges including rising costs of,basic necessities...pts,(Nasdaq: ESRX ) has expanded Rx Outreach to...on medicines. , (Logo: http://www.newscom... Lower-income consumers can now receive a si...
(Date:12/1/2008)...dy has found that positron emission mammography (P...t affected by either breast density or a woman,s h...veness of standard mammography and MRI at detectin...nnual meeting of the Radiological Society of North... cancer does not appear to be adversely affected b...
(Date:12/1/2008)..., Dec. 1 The Ensign Grou...tello Care & Rehabilitation Center in,Pocatel...ers for Medicare and,Medicaid Services, Special F....com/cgi-bin/prnh/20071213/LATH168LOGO ) , ...ursing at Pocatello Care,& Rehabilitation Cen...
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