It's not always about the mom -- grandmothers also play a role in a child's respiratory fitness.
Living descendants of the last wild horses number only 2000, but DNA research sheds light on these animals.
A specific gene can predict whether a person -- mostly women -- will react to an issue with an attitude from the left or the right.
For years, theories have abounded about how the first people in the New World got there, but now we seem to have a definitive answer, thanks to the miracle of DNA analysis.
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.
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