The baculum, also known as the penis bone, is a feature thought to be unique to placental mammals. It’s been gained and lost ...
Once described by a 16th-century anatomist as the "shameful member," the clitoris has historically been ignored in research ...
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Homo habilis is the earliest named human. But is it even human?
Between 2 million and 3 million years ago, humans appeared in Africa — but identifying them in the fossil record is turning ...
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