Meet the "ems" -- machines that emulate human brains and can think, feel and work just like the brains they're copied from. Futurist and social scientist Robin Hanson describes a possible future when ems take over the global economy, running on superfast computers and...

  https://www.ted.com/talks/gerard_ryle_how_the_panama_papers_journalists_broke_the_biggest_leak_in_history?utm_campaign=tedspread&utm_medium=referral&utm_source=tedcomshare Gerard Ryle led the international team that divulged the Panama Papers, the 11.5...

Diane Wolk-Rogers teaches history at Marjory Stoneman Douglas High School in Parkland, Florida, site of a horrific school shooting on Valentine's Day 2018. How can we end this senseless violence? In a stirring talk, Wolk-Rogers offers three ways Americans can move...

Tech that can decode your brain activity and reveal what you're thinking and feeling is on the horizon, says legal scholar and ethicist Nita Farahany. What will it mean for our already violated sense of privacy? In a cautionary talk, Farahany warns of a society where...

  Adults tend to think of kids as "future citizens" -- their ideas and opinions will matter someday, just not today. But kids make up a quarter of the population, so shouldn't they have a say in what the world they'll inherit will look like? Urban planner Mara Mintzer...

Have you ever watched a film or read a novel, wishing that you could change the narrative to save your favorite character? Game designer David Cage allows you do just that in his video games, where players make decisions that shape an ever-changing plot. In a talk and...

skeptic James Randi takes a fatal dose of homeopathic sleeping pills onstage, kicking off a searing 18-minute indictment of irrational beliefs. He throws out a challenge to the world's psychics: Prove what you do is real, and I'll give you a million dollars. (No...

What could you do with the world's smallest 3D printer? Klaus Stadlmann demos his tiny, affordable printer that could someday make customized hearing aids -- or sculptures smaller than a human hair....

Modern technology lets neuroscientists peer into the human brain, but can it also read minds? Armed with the device known as an electroencephalogram, or EEG, and some computing wizardry, our intrepid neuroscientists attempt to peer into a subject's thoughts....

2017 really the "worst year ever," as some would have us believe? In his analysis of recent data on homicide, war, poverty, pollution and more, psychologist Steven Pinker finds that we're doing better now in every one of them when compared with 30 years ago. But...