For humans to grow and to replace and heal damaged tissues, the body's cells must continually reproduce, a process known as "cell division," by which one cell becomes two, two become four, and so on. A key ...
Dec 20, 2012
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The Wip1 protein is important for survival, but mutations that inactivate it carry some surprising features. "A lack of Wip1 results in an excessive immune reaction to infectious organisms, in some cases ...
Dec 19, 2012
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Infectious African sleeping sickness is widespread south of the Sahara Desert. Although the around sixty million people residing in tropical Africa run the risk of becoming infected every day, only around ...
Dec 14, 2012
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(Phys.org)—Researchers at Michigan State University have discovered a protein that does its best work with one foot in the grave.
Dec 12, 2012
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Vertebrates' transition to living on land, instead of only in water, represented a major event in the history of life. Now, researchers reporting in the December issue of the journal Developmental Cell provid ...
Dec 10, 2012
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A new method that could give a deeper insight into evolutional biology by tracing directionality in gene migration has just appeared in EPJ Data Science. Paolo Masucci from the Centre for Advanced Spatial Analysis, at Uni ...
Dec 10, 2012
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For much of her professional life, Dr. Susan Rosenberg has studied the puzzling response of bacteria to stress and the mutations that result. In the current issue of the journal Science, she puts together the pieces of tha ...
Dec 06, 2012
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Are juicier, sweeter, more disease-resistant watermelons on the way? An international consortium of more than 60 scientists from the United States, China, and Europe has published the genome sequence of watermelon (Citrullus la ...
Nov 26, 2012
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(Phys.org)—In the November issue of the journal Molecular Ecology, a U.S. and Brazilian research team reported evidence of novel and hybrid strains of a lethal fungus that has decimated amphibian popula ...
Nov 20, 2012
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With a mate and a nest to protect, the male threespined stickleback is a fierce fish, chasing and biting other males until they go away.
Nov 15, 2012
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Scientists have taken a step forward in helping to solve one of life's greatest mysteries – what makes us human?
Nov 14, 2012
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(Phys.org)—New findings suggest that the ecology of blue whales (Balaenoptera musculus) – the largest living animal – has recently changed due to human activities. A team lead by researchers at Mac ...
Nov 14, 2012
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(Phys.org)—A new way to visualize single-cell activity in living zebrafish embryos has allowed scientists to clarify how cells line up in the right place at the right time to receive signals about the next ...
Nov 13, 2012
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As they develop, vertebrate embryos form vertebrae in a sequential, time-controlled way. Scientists have determined previously that this process of body segmentation is controlled by a kind of "clock," regulated by the oscillating ...
Nov 13, 2012
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(Phys.org)—In an extraordinary example of altruistic behaviour, bacteria are capable of giving up their lives rather than allowing a viral infection to spread through their population. Now, new research ...
Nov 12, 2012
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