Tuesday, February 06, 2018

Hobbit devolution

Marginal Revolution resurrected this ancient article from Greg Cochran - a moral tale with a punchline.

Brief summary:
  • Brains can go down as well as up because: evolution.
  • Small populations accumulate rising mutational load - brains are a prime target.
  • If there's a devolved ecological niche waiting in the wings, watch out!

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