links for 2007-05-09

So, heat might suck, but it’s why we’re on top of the food chain.

This article’s absolutely fascinating. Not only are we evolved to run, but we’re evolved to run in crappy conditions. What great inspiration for summer

All together, Lieberman said, these adaptations allowed us to relentlessly pursue game in the hottest part of the day when most animals rest. Lieberman said humans likely practiced persistence hunting, chasing a game animal during the heat of the day, making it run faster than it could maintain, tracking and flushing it if it tried to rest, and repeating the process until the animal literally overheated and collapsed.

Humans hot, sweaty, natural-born runners

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