At TED2006, Robert Wright proposed that humans are still evolving, culturally and morally — progress that picks up where genetic evolution left off. But some scientists now say we’re still evolving genetically as well. Though conventional wisdom says humans have remained essentially unchanged for 100,000 years or more, new evidence points to a faster-paced evolution still going on today. Wired News takes a look at the evolution of theories on evolution, and several TEDsters weigh in, including futurist Ray Kurzweil (TED05), who thinks it’s time we took evolution into our own hands.
Evolution. The concept surrounds us — it’s a standard part of science class, it’s routinely thrown out as explaining our actions in relationships, business and behavior — and yet, so many people hold subtle misunderstandings of what Darwin’s theory actually means. In this animated TED-Ed lesson, educator Alex Gendler gives a primer on the hard-to-grasp […]
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 […]