Scientists have long known that control mechanisms known collectively as "epigenetics" play a critical role in human development, but they did not know precisely how alterations in this extra layer of biochemical instructions ...
May 09, 2013
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For more than fifty years, researchers have been studying exactly how aspirin affects the human body. Despite thousands of publications on the topic, our understanding is still incomplete.
May 09, 2013
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(Phys.org) —For some solar cells, the future may be fluorescent. Scientists at Yale have improved the ability of a promising type of solar cell to absorb light and convert it into electrical power by adding ...
May 09, 2013
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In recent decades, research into a diminutive plant, Arabidopsis thalania, which goes through daily life as a common weed, has generated a tremendous amount of knowledge. Much of the research on Arabidopsis, ...
Apr 09, 2013
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Scientists have confirmed that the pathogen that causes Lyme Disease—unlike any other known organism—can exist without iron, a metal that all other life needs to make proteins and enzymes. Instead of ...
Mar 21, 2013
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Insect or microbe: plants recognize their attackers and respond by producing specific internal signals that induce the appropriate chemical defenses. That is the main conclusion of a study at the Center for ...
Mar 19, 2013
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Over the past several years, Rong Li, Ph.D., at the Stowers Institute for Medical Research has been making crucial discoveries about the development of cell polarity—the process by which one side of a cell ...
Jan 22, 2013
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Researchers of the Max-Born-Institute at Berlin, Germany, have observed how biomolecules transfer energy into extremely small water droplets in their environment. A water shell consisting of only 3 water ...
Nov 30, 2012
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Our master circadian clock resides in a small group of about 10'000 neurons in the brain, called the suprachiasmatic nucleus. However, similar clocks are ticking in nearly all cells of the body, as demonstrated ...
Oct 26, 2012
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Scientists at the U.S. Department of Energy's Brookhaven National Laboratory have identified key elements in the biochemical mechanism plants use to limit the production of fatty acids. The results suggest ways scientists ...
Jun 04, 2012
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A new method for rapidly solving the three-dimensional structures of a special group of proteins, known as integral membrane proteins, may speed drug discovery by providing scientists with precise targets ...
May 30, 2012
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An unprecedented study of intra-uterine lactation in the tsetse fly, published 18 April 2012 in Biology of Reproduction's Papers-in-Press, reveals that an enzyme found in the fly's milk functions similarly in ...
Apr 18, 2012
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Scientists have made many important discoveries in biology and medicine through studying the internal contents of cells. Some have isolated or identified nucleic acids or proteins with special functions, while ...
Mar 15, 2012
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In a standard biology textbook, cells tend to look more or less the same from all sides. But in real life cells have fronts and backs, tops and bottoms, and they orient many of their structures according to ...
Feb 19, 2012
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Winning a fight can raise aggressiveness, and a study of fighting crickets, published Dec. 21 in the online journal PLoS ONE, provides new insight into the biochemical mechanism that may be responsible.
Dec 21, 2011
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