Jul 27, 2014 — The new Scarlett Johannson movie, Lucy, is based on the idea that most people only use only 10 percent of their brains. As it turns out, that idea is completely untrue — but it's oddly persistent.
Jul 26, 2014 — A Dartmouth study suggests that fifth-graders are still "learning to read," not just "reading to learn."
Jul 25, 2014 — Dr. Christine Harris co-authored a study that examined whether dogs exhibit jealous behavior, hoping to see if jealousy is an emotion unique to humans. Audie Cornish asks Harris: Does it take complex cognitions to trigger the emotion?
Jul 23, 2014 — Dog owners don't doubt that their pooch has feelings. But scientists aren't so sure. An experiment found that dogs act upset, dare we say jealous, when their owners ignore them for a stuffed animal.
Jul 23, 2014 — A significant percentage of obese kids think their weight is just fine. But do they need to know the truth to get healthier?
Jul 22, 2014 — What does a 20 percent chance of rain or snow actually mean? Interpreting probabilities in forecasts can be hard even for mathematicians and meteorologists — never mind the average person.
Jul 19, 2014 — TED Radio Host Guy Raz speaks with science writer and Sports Illustrated contributor David Epstein about why athletes are getting faster and stronger every year.
Jul 18, 2014 — In pitch-black, stung by jellyfish, choking on salt water, hallucinating, Diana Nyad kept swimming. She describes the journey of her historic 110-mile swim from Cuba to Florida, at age 64.
Jul 18, 2014 — Humans seem to have gotten faster, better and stronger in almost every way. Yet as sports journalist David Epstein points out, many factors are at play when we shatter athletic records.
Jul 18, 2014 — Paralympic snowboarder and "Dancing With the Stars" finalist Amy Purdy tells how losing her legs at age 19 enabled her to achieve more than she ever dreamed.