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“What Herculano-Houzel does in this book is invent a way to actually count the number of brain cells in certain areas. You might think an elephant with a brain three times as big would have three times the number of brain cells. But it turns out, that’s not true. She figured out that, basically by turning the brain into soup—so you can’t do this on anything that’s alive—you can count the number of nuclei. And what she discovered is that, in the cortex, the thinking part of the brain, humans have three times as many neurons, as many brain cells, as elephants do, which is remarkable.” Read more...
Steven Austad, Biologist
