Mysterious Bone Discarded by Evolution Is Making a Comeback in Modern Humans

By DAVID NIELD

The fabella bone is the small one to the lower right. (Imperial College London)

A bone once thought to be almost lost to evolution and rare in modern humans is making a strange comeback.

Known as the fabella bone, this knee bone was once very rare in human beings, but is now three times more common in human knees than it was a hundred years ago.

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