Are Humans Hardwired to Detect Snakes?

The “snake detection theory” holds that snakes played a significant role in the evolution of humans and other primates. They molded our brains, shaped our visual systems, and helped us survive. Now there is new evidence to back up this unusual theory, which explains both our agile minds and our uncanny ability to sense … » 10/29/13 11:00am 10/29/13 11:00am