(Phys.org)—A single mutation in a moth gene has been shown to be able to produce an entirely new scent. This has been shown in a new study led by researchers from Lund University in Sweden. In the long run, the researchers ...
Feb 19, 2013
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Animal scientists say a raw meat diet is a good source of protein for cats, but pet owners may need to supplement with other nutrients.
Feb 19, 2013
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To truly understand the mechanisms of natural selection, evolutionary biologists need to shift their focus from present-day molecules to synthesized, ancestral ones, says Shozo Yokoyama, a biologist at Emory University.
Feb 15, 2013
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Each time a spider draws silk from its spinneret to create a new web, it also draws on more than 400 million years of evolution. Spiders have evolved to produce a library of silks, each using ...
Feb 07, 2013
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(Phys.org)—Multiple RNA sequences can code for the same amino acid, but differences in their respective "optimality" slow or accelerate protein translation. Stanford biologists find optimal and non-optimal ...
Jan 31, 2013
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(Phys.org)—One of Ozgur Sahin's first machines was a mechanical adding device made from Legos. He made it when he was 11 and hasn't stopped making gadgets since. In graduate school Sahin created an atomic ...
Jan 30, 2013
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Red coloration—historically seen as costly in vertebrates—historically seen as costly in vertebrates—might represent some physiological benefit after all, according to research published in the journal Physiological an ...
Jan 28, 2013
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(Phys.org)—After years of experimentation, researchers at the University of Arkansas have solved a complex, decades-old problem in membrane biochemistry. The consequence of their work will give scientists more information ...
Jan 24, 2013
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Harvard scientists say they've solved a mystery that's nearly as old as science's understanding of the genetic code.
Jan 21, 2013
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Membrane proteins are the "molecular machines" in biological cell envelopes. They control diverse processes, such as the transport of molecules across the lipid membrane, signal transduction, and photosynthesis. ...
Jan 18, 2013
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(Phys.org)—This week, fizzy ocean water and the alkaline fluid that bubbles up from deep ocean vents are coursing through a structure at NASA's Jet Propulsion Laboratory in Pasadena, Calif. that is reminiscent ...
Jan 17, 2013
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(Phys.org)—Cells experience stress in multiple ways. Temperature shifts, mis-folded proteins and oxidative damage can all cause cellular stress. But whatever the form of the stress, all cells quickly stop ...
Jan 09, 2013
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The mysterious inner workings of Chang Shan—a Chinese herbal medicine used for thousands of years to treat fevers associated with malaria—have been uncovered thanks to a high-resolution structure solved ...
Dec 23, 2012
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