Aging could happen at once, rather than over time -- and it may be possible to block the signal to begin the aging process.
The finding is sure to reignite a long and bitter battle over the ultimate fate of the skeleton.
Genes may be responsible for more than we think, from how we shop to how we sleep.
Early Europeans and Asians looked much like they do today 5,000 years ago, except they couldn't do one thing well: drink milk.
The newly created humanized yeast reveals how humans and yeast share genes despite being separated by a billion years of evolution.
Scientists say people fall into two broad categories -- promiscuity or faithfulness -- when it comes to sex.
Flatulence, diarrhea, rashes and other health issues have been with some humans and their ancestors for up to a million or more years.
Genes primarily affecting males, as well as family environment help explain why so many terrorists and killers are men, including brothers.
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