السبت، 16 فبراير 2013

ScienceDaily: Health & Medicine News

ScienceDaily: Health & Medicine News


Breakthrough in ovarian cancer: Selumetinib

Posted: 14 Feb 2013 04:41 PM PST

Researchers have discovered that many women with low-grade serous carcinoma of the ovary or peritoneum have seen their tumors stabilize or shrink after taking a regular dose of the compound selumetinib.

Humans and chimps share genetic strategy in battle against pathogens

Posted: 14 Feb 2013 11:16 AM PST

A search for long-lived balancing selection has found at least six regions of the genome where humans and chimpanzees share a combination of genetic variants. These human genetic variation dates back to a common ancestor with chimpanzees millions of years ago, before the species split.

Why good hair matters: First animal model of recent human evolution reveals that mutation for thick hair does much more

Posted: 14 Feb 2013 10:39 AM PST

The first animal model of recent human evolution reveals that a single mutation produced several traits common in East Asian peoples, from thicker hair to denser sweat glands, and computer models suggest the variation arose about 30,000 years ago in central China.

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