Our moral imperative to act on climate change -- and 3 steps we can take | His Holiness Pope Francis

Rivers are one of nature's most powerful forces -- they bulldoze mountains and carve up the earth, and their courses are constantly moving. Understanding how they form and how they'll change is import...

13 Heinä 201711min

It's a fateful moment in history. We've seen divisive elections, divided societies and the growth of extremism -- all fueled by anxiety and uncertainty. "Is there something we can do, each of us, to b...

11 Heinä 201712min

Inventor Manu Prakash turns everyday materials into powerful scientific devices, from paper microscopes to a clever new mosquito tracker. From the TED Fellows stage, he demos Paperfuge, a hand-powered...

10 Heinä 201714min

What do you do when your firmly held beliefs turn out not to be true? When Casey Gerald's religion failed him, he searched for something new to believe in -- in business, in government, in philanthrop...

28 Kesä 201718min

Author, philosopher, prankster and journalist AJ Jacobs talks about the year he spent living biblically -- following the rules in the Bible as literally as possible.Learn more about our flagship confe...

28 Kesä 201717min

When someone asks you where you're from … do you sometimes not know how to answer? Writer Taiye Selasi speaks on behalf of "multi-local" people, who feel at home in the town where they grew up, the ci...

28 Kesä 201716min

Dave Isay opened the first StoryCorps booth in New York’s Grand Central Terminal in 2003 with the intention of creating a quiet place where a person could honor someone who mattered to them by listeni...

28 Kesä 201721min

In the pitch-black night, stung by jellyfish, choking on salt water, singing to herself, hallucinating … Diana Nyad just kept on swimming. And that's how she finally achieved her lifetime goal as an a...

28 Kesä 201715min