What does it take to regenerate a limb? Biologists have long thought that organ regeneration in animals like zebrafish and salamanders involved stem cells that can generate any tissue in the body. But new research suggests ...
Biotechnology
May 16, 2011
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(PhysOrg.com) -- A protein that helps the brain develop early in life can fight the mental fuzziness induced by sleep deprivation, according to researchers at Washington University School of Medicine in St. Louis.
Plants & Animals
May 5, 2011
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(PhysOrg.com) -- Each of us carries a unique collection of trillions of friendly microbes in our intestines that helps break down food our bodies otherwise couldn't digest.
Cell & Microbiology
Mar 21, 2011
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Scientists have decoded the DNA of the parasitic worm that causes trichinosis, a disease linked to eating raw or undercooked pork or carnivorous wild game animals, such as bear and walrus.
Biotechnology
Feb 20, 2011
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Bacteria often attack with toxins designed to hijack or even kill host cells. To avoid self-destruction, bacteria have ways of protecting themselves from their own toxins.
Cell & Microbiology
Feb 8, 2011
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For almost two decades, cardiologists have searched for ways to see dangerous blood clots before they cause heart attacks.
Bio & Medicine
Feb 2, 2011
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A key mechanism that appears to contribute to blood vessel damage in people with diabetes has been identified by researchers at Washington University School of Medicine in St. Louis.
Biochemistry
Jan 28, 2011
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A workhorse of modern biology is sick, and scientists couldn't be happier.
Cell & Microbiology
Jan 25, 2011
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The same powerful drugs that have extended the lives of countless people with HIV come with a price – insulin resistance that can lead to diabetes and cardiovascular disease.
Biochemistry
Nov 22, 2010
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(PhysOrg.com) -- Viruses have led scientists at Washington University School of Medicine in St. Louis to the discovery of a security system in host cells.
Biochemistry
Nov 17, 2010
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