Humans
Exclusive: Controversial skeleton may be a new species of early human
A skeleton found decades ago in South Africa may be a new species of Australopithecus, and could help reveal when our ancestors evolved to walk on two feet
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A skeleton found decades ago in South Africa may be a new species of Australopithecus, and could help reveal when our ancestors evolved to walk on two feet
Most Europeans have a genetic mutation that allows adults to digest milk, but it is less common elsewhere. Now it is spreading through Chile, and we don't know why