June 02, 2011
Fish Gotta Swim, Hominids Gotta Move

By examining isotopes found in tooth enamel, scientists have discovered that our ancient ancestral sisters moved around, while our ancestral brothers stayed put. This is a pretty common pattern for human societies even today, although I'm not clever enough to beat Wikipedia into letting me know if it has a name. Using Australopethicids instead of a later species means the sample size is very small, so it will be interesting to see if the discovery holds up.

Posted by scott at June 02, 2011 11:44 AM

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