Some of the earliest members of our family tree were able to do relatively sophisticated tasks with their hands.
Sleep paralysis might be an evolutionary adaptation that keeps people from acting out their dreams.
Tool bad and Tool good might have been some of the first sentences spoken by our early ancestors, research concludes.
The relatively lightly built skeletons of modern humans may have been the result of a shift away from a nomadic lifestyle to a more settled one.
The bacteria that lives in our bodies may have evolved to take down the elderly so that the young could thrive.
Did you know there are forbidden colors we can't see? And that the blue you see isn't really blue...
Are you struggling with your holiday shopping list? Imagine what your options may have been more than 50,000 years ago.
From an evolutionary standpoint, how, and why, did homosexuality evolve? New research zeroes in on a hormone called progesterone that may just be the key to answering the question. Tara has more.
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