A new survey links depression, nicotine addiction and other traits to Neanderthal genetic lineage.
The evidence was found in the teeth of some 2,000-year-old skeletons.
Scientists have for the first time sequenced the genome of New York City bed bugs.
A gene responsible for cutting connections between rarely used brain cells could be going too far and causing damage.
The 5,300-year-old mummy's maternal line appears to have originated and died out in the eastern Italian Alps.
Whether it's cycling, baseball, football or probably any other sport, there are always athletes willing to use science to gain a performance edge. And with gene therapy, they may one day be able to seriously amp up their game.
Scary headlines can cause the public to be needlessly fearful. Understanding risk and statistics can help. →
Does your favorite purebred dog come from an ancient canine lineage? See if the breed made our list.
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