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Pamela S. Turner

Living With Dolphins: The Second Smartest Animals on the Planet

Vicki Cobb | Posted 03.28.2014 | Books
Vicki Cobb

How brainy are humans compared to other animal species? One measure of intelligence in mammals is the ratio of brain size to body size, called the encephalization quotient or EQ. By this measure the human is a seven and the cat is a one.