surprise stretches time. In supporting this insight, Eagleman has embraced some rather extreme research methods. He is famous for an experiment in which he asks volunteers to leap off a 150-foot platform and free-fall into a net. Afterward, they are asked to estimate how long the fall took, and their estimates are, on average, too high by 36%. Their fear and focus make time seem to expand. (So here’s one tip to live a “longer” life: Scare the hell out of yourself, regularly.)