Thieving Lemurs Teach Us About Evolution of Intelligence

As animals go, humans are very smart. After all, we discovered calculus, general relativity, and fire. Out of all the brains in nature, there is clearly something special about ours. But how did we get this way? As Dr. Evan MacLean, a senior researcher a Duke University, says, “What were the problems that nature posed for us that we needed these brains to solve?”

Scientists like MacLean think that being very social – living in large groups and communicating, like humans do – might have led to …

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