Higher organisms do not have a “cost of complexity” — or slowdown in the evolution of complex traits — according to a report by researchers at Yale and Washington University in Nature.
Mar 31, 2008
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Gold has long been more than a fashion statement, and wearing jewelry and other adornments made of it often connotes prestige. And it did not take long for ancient people to figure that out.
Mar 31, 2008
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Doctors' quest to see what is happening inside a living body has been hampered by the limits on detecting tiny components of internal structures and events. Now a team of Stanford University School of Medicine researchers ...
Mar 31, 2008
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Insight into why females of some species undergo menopause while others do not has proven elusive despite an understanding of the biological mechanisms behind the change.
Mar 31, 2008
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Since 1975, more than 100,000 motorcycle riders in America have died in crashes. The majority of states required motorcycle helmets in 1975, but today, only 20 states have universal helmet laws that require all riders to ...
Mar 31, 2008
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One group of small, non-coding RNA molecules could serve as a marker to improve cancer staging and may also be able to convert some advanced tumors to more treatable stages, report a University of Chicago-based research team ...
Mar 31, 2008
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Fasting for two days protects healthy cells against chemotherapy, according to a study appearing online the week of Mar. 31 in PNAS Early Edition. Mice given a high dose of chemotherapy after fasting continued to thrive. The sa ...
Mar 31, 2008
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Engineers have created the first "active matrix" display using a new class of transparent transistors and circuits, a step toward realizing applications such as e-paper, flexible color monitors and "heads-up" ...
Mar 31, 2008
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Survival rates of childhood cancers, especially leukemia, have improved greatly in the past three decades, but survivors of this disease still seem to face many health and lifestyle challenges as young adults. Depending on ...
Mar 31, 2008
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New research shows cerebral microbleeds, which are lesions in the brain, are more common in people over 60 than previously thought. The study is published in the April 1, 2008, issue of Neurology.
Mar 31, 2008
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A Saint Louis University cardiologist called upon the U.S. Food and Drug Administration (FDA) today to reconsider a strong warning it recently placed on a diagnostic tool, stating that the warning could prevent doctors from ...
Mar 31, 2008
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As obesity and inactivity among youth becomes a growing concern for North American families, new research based at The University of Western Ontario is asking why some high school boys are reluctant to participate in Grade ...
Mar 31, 2008
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Virginia's strawberry growers have been dealing with an uninvited guest in their fields this winter, anthracnose crown rot, one of the most destructive diseases of strawberries in the southeastern United States.
Mar 31, 2008
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Some bloggers publicly broadcast highly personal information across the Internet -- information usually found in personal diaries or private journals. Why do they do this?
Mar 31, 2008
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The bacteria that cause Lyme disease, the most common tick-borne illness in the United States, can linger in mouse tissues long after a full round of antibiotic treatment is completed, report researchers from the University ...
Mar 31, 2008
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