Footprints in the Sands of Time

West Hunter

The fossil footprints around an ancient lake in White Sands have been known for some time, but now we have what look to be perfectly respectable C-14 dates. They’re about 22 thousand years old, close to the Last Glacial maximum (LGM) and, as such clearly predate all existing evidence of human settlement of the New World (south of the glaciers, anyhow).

There were already hints: Amerindian populations in South America, mainly in Amazonia, carry a trace of a different genetic heritage. The existing population closest to that trace are the inhabitants of the Andaman Islands, between India and Burma. Other populations such as Australian Aborigines and the inhabitants of New Guinea are also close. There is reason to believe that, until a few thousand years ago, all of Southeast Asia (including the islands) was occupied by related populations, known as Australo-Melanesians.

Here’s the key insight: the fact that the Andaman-like…

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