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We Built These Bodies

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Changing the human body, one invention at a time

By Dusica Sue Malesevic

Since Darwin, we have considered our bodies to be an outcome of natural selection. But recent anthropological theories suggest that our own technology, even the most primitive, may have affected our own evolution, right down to our shape.

1. Stones and rough tools

“Stone tools are basically artificial teeth,” says anthropologist John Shea. Named Oldowan, after the site in Tanzania where they were discovered, the…

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