Woolly mammoths stomp through the Siberian tundra as the giant moa strides the forest floor of New Zealand and Tasmania's dog-like "tigers" stalk their prey under the cover of night. This is not a snapshot of times past, ...
Plants & Animals
Apr 22, 2013
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Bacteria appear to speed up their evolution by positioning specific genes along the route of expected traffic jams in DNA encoding. Certain genes are in prime collision paths for the moving molecular machineries that read ...
Cell & Microbiology
Mar 29, 2013
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Three-quarters of the DNA in evolved organisms is wrapped around proteins, forming the basic unit of DNA packaging called nucleosomes, like a thread around a spool. The problem lies in understanding how DNA can then be read ...
Biotechnology
Mar 19, 2013
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Tapeworms have no gut or head. They are parasites that cause debilitating diseases, which can be deadly and often don't respond to drugs. Now, scientists have mapped the genetic code of tapeworms for the first time, the journal ...
Biotechnology
Mar 18, 2013
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Among eukaryotes with modified nuclear genetic codes, viruses are unknown. Until now it had been believed that the modifications to the genetic code effectively prevented new viral infections. However, researchers have now ...
Cell & Microbiology
Mar 5, 2013
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Researchers at the University of Wisconsin-Madison have found a new way to accelerate a workhorse instrument that identifies proteins. The high-speed technique could help diagnose cancer sooner and point to new drugs for ...
Biochemistry
Feb 24, 2013
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Imagine two steel springs identical in look and composition but that perform differently because each was tempered at a different rate.
Cell & Microbiology
Feb 19, 2013
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The circadian clocks that control and influence dozens of basic biological processes have an unexpected "snooze button" that helps cells adapt to changes in their environment.
Cell & Microbiology
Feb 17, 2013
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(Phys.org)—Sean Hemp of Raleigh, N.C., a Ph.D. student in chemistry in the College of Science, is helping to invent new therapies that target genetic disease and cancer.
Bio & Medicine
Jan 28, 2013
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The question of how some wolves evolved into the trusty dogs that work on farms, lead the blind and curl up on pillows in bedrooms has remained largely unanswered. Until now.
Plants & Animals
Jan 23, 2013
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