There are many things that set humans apart from other animals, but few of them are as notable as our ability to communicate. Sure, most animals are able to make noises, and many of them can send ...
Fossilized bones from an extinct, shelled mammal offer us the latest clue about when humans arrived in South America. Scientists have long argued over when people first set foot on the continent ...
Archaeologists say they have found the oldest known instance of fire setting, a key moment in human evolution.
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