The evolution of intelligence, and why our brains have shrunk

One of the main differences between humans and other animals is our larger brain size—but what prompted and guided this growth? Wanting to better understand the origins of human uniqueness, scientists from the University of Tennessee have recently modeled the evolution of the brain, based on previous explanations of intelligence as the individual’s quest to achieve greater social and reproductive success.

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<p><a href="http://www.physorg.com/news83410847.html">The evolution of intelligence, and why our brains have shrunk</a></p> <p>One of the main differences between humans and other animals is our larger brain size—but what prompted and guided this growth? Wanting to better understand the origins of human uniqueness, scientists from the University of Tennessee have recently modeled the evolution of the brain, based on previous explanations of intelligence as the individual’s quest to achieve greater social and reproductive success.</p>