(Phys.org)—Iowa State University researchers are helping to advance new techniques that allow scientists to site-specifically mutate and edit the genes of living organisms.
Biotechnology
Oct 1, 2012
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(Phys.org)—A team of researchers at Michigan State University has documented the step-by-step process in which organisms evolve new functions.
Evolution
Sep 19, 2012
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Sweet sorghum is primarily grown in the United States as a source of sugar for syrup and molasses. But the sturdy grass has other attributes that could make it uniquely suited to production as a bioenergy crop, U.S. Department ...
Biotechnology
Sep 17, 2012
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Johns Hopkins scientists report what is believed to be the first evidence that complex, reversible behavioral patterns in bees – and presumably other animals – are linked to reversible chemical tags on genes.
Plants & Animals
Sep 16, 2012
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An elaborate system of leads spreads across our hearts. These leads – the heart's electrical system – control our pulse and coordinate contraction of the heart chambers. While the structure of the human heart has been ...
Other
Sep 14, 2012
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A new study of giant viruses supports the idea that viruses are ancient living organisms and not inanimate molecular remnants run amok, as some scientists have argued. The study reshapes the universal family tree, adding ...
Evolution
Sep 13, 2012
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A number of environmental toxins pose considerable health threats to humans, and the heavy metal cadmium (Cd) ranks high on the list. Most of us are exposed to it through plant-derived foods such as grains and vegetables. ...
Biotechnology
Sep 12, 2012
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When an invading bacterium or virus starts rummaging through the contents of a cell nucleus, using proteins like tiny hands to rearrange the host's DNA strands, it can alter the host's biological course. The invading proteins ...
General Physics
Aug 30, 2012
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As the national waistline expands, so do pools of intra-cellular fat known as lipid droplets. Although most of us wish our lipid droplets would vanish, they represent a cellular paradox: on the one hand droplets play beneficial ...
Cell & Microbiology
Aug 29, 2012
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(Phys.org)—Mechanisms that protect plants from freezing are placed in storage during the summer and wisely unpacked when days get shorter.
Biotechnology
Aug 27, 2012
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