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

Everyone's heard of Martin Luther King Jr. But do you know the woman Dr. King called "the architect of the civil rights movement," Septima Clark? The teacher of some of the generation's most legendary...

7 Mar 201913min

From floppy disks to thumb drives, every method of storing data eventually becomes obsolete. What if we could find a way to store all the world's data forever? Bioinformatician Dina Zielinski shares t...

6 Mar 201912min

CésarHidalgo has a radical suggestion for fixing our broken political system: automate it! In this provocative talk, he outlines a bold idea to bypass politicians by empowering citizens to create pers...

5 Mar 201913min

Majd Mashharawi was walking through her war-torn neighborhood in Gaza when an idea flashed in her mind: What if she could take the rubble and transform it into building materials? See how she designed...

4 Mar 201910min

In 2013, a treasure trove of unusual fossils were uncovered in a cave in South Africa, and researchers soon realized: these were the remains of a new species of ancient humans. PaleoanthropologistJuli...

1 Mar 201911min

Farida Nabourema has dedicated her life to fighting the military regime in Togo, Africa's oldest autocracy. She's learned two truths along the way: no country is destined to be oppressed -- and no cou...

28 Feb 201911min

The transistors that power the phone in your pocket are unimaginably small: you can fit more than 3,000 of them across the width of a human hair. But to keep up with innovations in fields like facial ...

27 Feb 201912min

Lindy Lou Isonhood grew up in a town where the death penalty was a fact of life, part of the unspoken culture. But after she served as a juror in a capital murder trial -- and voted "yes" to sentencin...

26 Feb 201915min