Lever mot i hjertet eller sinnet? Hva tvinger noen mennesker til å vende seg mot fare og andre til å stikke av? Vitenskapsforfatter Jeff Wise undersøker.
On a cool November afternoon in Fleming Island, Florida, Melissa Hawkinson, then 41, was driving her five-year-old twins home from school when she saw a sudden splash in Doctors Lake just ahead. What was that? she thought. As she drove up to the scene, she saw a half-submerged car sinking about 30 yards offshore. It was going down pretty quickly