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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Professor of Biochemistry Emad Tajkhorshid and colleagues have discovered that membrane transporters help not just sugars and other specific substrates cross from one side of a cellular membrane to the other—water ...
May 02, 2013
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An international research team in including Christian Schlötterer and Alistair McGregor of the Vetmeduni Vienna has discovered a completely new mechanism by which evolution can change the appearance of an ...
Apr 19, 2013
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New research explains how certain traits can pass down from one generation to the next – at least in plants – without following the accepted rules of genetics.
Mar 26, 2013
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Four billion years ago, soon after the planet cooled enough for life to begin, primordial cells may have replicated and divided without protein machinery or cell walls, relying instead on just a flimsy lipid membrane. New ...
Feb 28, 2013
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The genes activated for human speech are similar to the ones used by singing songbirds, new experiments suggest.
Feb 14, 2013
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The return of the American robin to back yards across the country is a lovely sign of coming spring. But the little songbird with the orange-red breast and bright blue eggs has some not-so-lovely relatives: ...
Feb 06, 2013
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Scientists at the Walter and Eliza Hall Institute have for the first time visualised the molecular changes in a critical cell death protein that force cells to die.
Feb 02, 2013
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(Phys.org)—Everyone loves a juicy, perfectly ripened tomato, and scientists have long sought ways to control the ripening process to improve fruit quality and prevent spoilage.
Jan 30, 2013
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Rice University scientists have found that mutations of small effect can turn out to be game changers in the bacterial fight against antibiotic drugs.
Jan 09, 2013
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(Phys.org)—A simple, precise and inexpensive method for cutting DNA to insert genes into human cells could transform genetic medicine, making routine what now are expensive, complicated and rare procedures ...
Jan 08, 2013
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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)—Researchers at the Carnegie Institution have discovered a new efficient way to pump heat using crystals. The crystals can pump or extract heat, even on the nanoscale, so they could be used on ...
Nov 05, 2012
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