For decades, scientists said that the human brain contains 100 billion neurons. However, when neuroscientist Suzana Herculano-Houzel hunted for the source of this often-quoted number, she couldn’t locate one. So she set out to count herself … by making brain soup. She brings a vial of brain soup with her onto the TEDGlobal 2013 stage. This […]
Stories for "human nature"
Almost twenty-three years ago, Joshua Prager experienced a moment that could only be described as “a great hinge in my life,” one that divided it “like the spine of an open book.” Just 19 years old then, Prager was in Israel for a year after high school. He was sitting in the backseat of a minibus […]
Philip Zimbardo knows evil inside and out. He led the infamous Stanford Prison Experiment of 1971 and was an expert witness at Abu Ghraib, privy to graphic unseen images. At TED2008, Zimbardo explains how easy it is for the good to turn evil, and on the flip side, for inspiration to lead people to heroism. […]