For a smart guy, you don't sweat much

Actually that may have it backwards.  Humans have about twice as many sweat glands as chimps, why?

According to Bill Bryson's The Body: A Guide for Occupants, the reason may be that we needed a more potent cooling system for our big brains.

No doubt it also helps for running in the Sun.


Popular posts from this blog

Merit, Value, and Justice

This Movie, Again

Malthus and the Disintegration of Empires.