Have you ever heard or said, "Well, I lost a few brain cells with that one." But how many neurons do most people start with? Until one neuroscientist did the calculations, no one knew. Watch this TED.com talk (above) to find out why the human brain is so big compared to the size of our bodies compared to other species (a mouse has 86 billion neurons).
Suzana Herculano-Houzel, Ph.D., Associate Professor, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro tackled the question of: Exactly how many cells are in our brains? Lots more than we should have given our size, but I won't spill the beans early. Check out the video. The answer to how humans can maintain such large brains is simple, yet elegant. Go science!
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