Scientists have reconstructed the head of an ancient human relative from 1.5 million year-old fossilized bones and teeth. But ...
Trace Dominguez on MSN
How exploding stars created all the heavy elements on Earth
Gold, uranium, and other heavy elements on Earth did not form here. They were born in the violent deaths of massive stars and the collisions of neutron stars, traveling across the galaxy before ...
Life may have emerged from a surprisingly simple network of chemical reactions long before cells or genes existed.
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