View full lesson: http://ed.ted.com/lessons/the-good-news-of-the-decade-hans-rosling Hans Rosling reframes 10 years of UN data with...

View full lesson: http://ed.ted.com/lessons/janet-echelman-taking-imagination-seriously Janet Echelman found her true voice as an ar...

View full lesson: http://ed.ted.com/lessons/lee-hotz-inside-an-antarctic-time-machine Science columnist Lee Hotz describes a remarka...

View full lesson: http://ed.ted.com/lessons/jane-chen-a-warm-embrace-that-saves-lives In the developing world, access to incubators...

View full lesson: http://ed.ted.com/lessons/brian-greene-on-string-theory Physicist Brian Greene explains superstring theory, the id...

View full lesson: http://ed.ted.com/lessons/rachel-pike-the-science-behind-a-climate-headline In 4 minutes, atmospheric chemist Rach...

Pop quiz: When does learning begin? Answer: Before we are born. Science writer Annie Murphy Paul talks through new research that sho...

Political prisoners aren’t the only ones being tortured — the vast majority of judicial torture happens in ordinary case...

What controls aging? Biochemist Cynthia Kenyon has found a simple genetic mutation that can double the lifespan of a simple worm, C....

How can we begin to understand the way the brain works? The same way we begin to understand a city: by making a map. In this visuall...