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By sade on Kasım 15th, 2009
Penguins that died 44,000 years ago in Antarctica have provided extraordinary frozen DNA samples that challenge the accuracy of traditional genetic aging measurements, and suggest those approaches have been routinely underestimating the age...
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A compound in coffee has been found to be estrogenic in studies by Texas AgriLife Research scientists. Though the studies have not been conducted to determine recommended consumption amounts, scientists say the compound, called trigonelline or "trig," may be a factor in estrogen-dependent breast cancer but beneficial against colon cancer development. // ...
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A study appearing in Science Translational Medicine puts scientists one step closer to clinical trials to test a gene delivery strategy to improve muscle mass and function in patients with certain degenerative muscle disorders. // ...
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A new study has found that young people feel differently about two types of parental control, generally viewing a type of control that`s thought to be better for their development more positively. However, when parents are very controlling, young people no longer make this distinction and view both types of parental control negatively. The study, conducted in the United States by researchers at &O...
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Orchids are famous for their deceptions. Most of those with nothing of value to offer their pollinators lure them instead with the scents of more rewarding flowers or potential mates. Now, a report published online on August 6th in Current Biology, a Cell Press publication, reveals for the first time that a species of orchid, which lives on the Chinese island of Hainan, fools its hornet pollinator...
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A team of scientists at Cold Spring Harbor Laboratory (CSHL) reports on Thursday their success in solving the molecular structure of a key portion of a cellular receptor implicated in Alzheimer`s, Parkinson`s, and other serious illnesses. Assistant Professor Hiro Furukawa, Ph.D., and colleagues at CSHL, in cooperation with the National Synchrotron Light Source at Brookhaven National Laboratory, ob...
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In an advance that could help ease health and environmental concerns about the emerging nanotechnology industry, scientists are reporting development of technology for changing the behavior of nanoparticles in municipal sewage treatment plants — their main gateway into the environment. Their study will be published in ACS` journal Environmental Science & Technology. Helen Jarvie from the...
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A new study from the University of Warwick has discovered taking too much of the essential mineral selenium in your diet can increase your cholesterol by almost 10%. Selenium is a trace essential mineral with anti-oxidant properties. The body naturally absorbs selenium from foods such as vegetables, meat and seafood. However, when the balance is altered and the body absorbs too much selenium, such...
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Passing gas — flatulence — is normal and happens to everyone. But for some people, excessive gas and pain interfere with normal activities. The November issue of Mayo Clinic Women`s HealthSource offers tips to reduce gas. Gas is often caused by what and how one eats and drinks. "One common cause is swallowed air," says G. Richard Locke, III, M.D., a Mayo Clinic gastroenterolo...
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The American health care sector accounts for 8 percent of the country`s carbon dioxide emissions, according to a first-of-its-kind calculation of health care`s carbon footprint. // ...
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Scientists at a group of 11 research centers in China are reporting for the first time assembly of the largest-ever collection of data about the proteins produced by genes in a single human organ. Their focus was the liver, and their massive database in both protein and transcript levels could become a roadmap for finding possible new biomarkers and treatments for liver disease. Those include hepa...
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