700 million people still live without electricity. Here’s how to fix that | Jacqueline Novogratz

The Greenland ice sheet is massive, mysterious -- and melting. Using advanced technology, scientists are revealing its secrets for the first time, and what they've found is amazing: hidden under the i...

17 Loka 20179min

It's never too late to reinvent yourself. Take it from Paul Tasner -- after working continuously for other people for 40 years, he founded his own start-up at age 66, pairing his idea for a business w...

16 Loka 20176min

We check our phones upwards of 50 times per day -- but when our kids play around with them, we get nervous. Are screens ruining childhood? Not according to children's media expert Sara DeWitt. In a ta...

12 Loka 201711min

We've all heard that robots are going to take our jobs -- but what can we do about it? Innovation expert David Lee says that we should start designing jobs that unlock our hidden talents and passions ...

11 Loka 201710min

Artist Eric Dyer spent years working at a computer to produce images for the screen. Longing to get his hands back on his work, he began exploring the zoetrope, a popular 19th-century device that was ...

10 Loka 20178min

Neuroscientist Greg Gage takes sophisticated equipment used to study the brain out of graduate-level labs and brings them to middle- and high-school classrooms (and, sometimes, to the TED stage.) Prep...

10 Loka 20179min

Chika Ezeanya-Esiobu wants to see Africans unleash their suppressed creative and innovative energies by acknowledging the significance of their indigenous, authentic knowledge. In this powerful talk, ...

9 Loka 201714min

Known worldwide for her courage and clarity, Christiane Amanpour has spent the past three decades interviewing business, cultural and political leaders who have shaped history. In conversation with TE...

6 Loka 201717min