Saturday, February 23, 2013

big brains and energy cost

"When it comes to humans, for example, though our brains are only 2% of our bodies, they take up a whopping 20% of our energy requirements. And you have to wonder: with all that energy being used by our brains, what body parts have paid the price?" http://www.huffingtonpost.com/2013/01/04/brain-size-study-guppies-high-intelligence_n_2409161.html

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