Krishna Dagli writes "> An evolutionary arms race between early snakes and mammals triggered the development of improved vision and large brains in primates, a radical new theory suggests.The idea, proposed by Lynne Isbell, an anthropologist at the University of California, Davis, suggests that snakes and primates share a long and intimate history, one that forced both groups to evolve new strategies as each attempted to gain the upper hand. Early primates developed a better eye for color, detail and movement and the ability to see in three dimensions -- traits that are important for detecting threats at close range.Humans are descended from those same primates. "
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Fear of Snakes May Have Driven Pre-Human Evolution
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