Brains & Climate

 All sensible species avoid living on the edge. But as the world’s temperature goes up a few degrees in the course of the present century, many will be pushed over.

      We humans, if I am to judge from the thermostat settings, prefer room temperatures up in the mid-70s [24°C]. All species have an environmental temperature that they prefer–but it is always less than the optimal temperature for making a living and raising offspring. Why is “cool it” so important?

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