How to build democracy — in an authoritarian country | Tessza Udvarhelyi

From the glorious crested guinea fowl to the adulterous African jacana to vultures that can pick a zebra carcass cleanin 30 minutes, Washington Wachira wants us all to get to know the marvelous specie...

6 Marras 201713min

When Gretchen Carlson spoke out about her experience of workplace sexual harassment, it inspired women everywhere to take their power back and tell the world what happened to them. In a remarkable, fi...

6 Marras 201714min

The most important infrastructure we have is educated minds, says former Tunisian government minister Amel Karboul. Yet too often large investments go to more visible initiatives such as bridges and r...

3 Marras 201715min

"My science fiction has different ancestors -- African ones," says writer Nnedi Okorafor. In between excerpts from her "Binti" series and her novel "Lagoon," Okorafor discusses the inspiration and roo...

1 Marras 20179min

Congratulations! By being here, alive, you are one of history's winners -- the culmination of a success story four billion years in the making. The other 99 percent of species who have ever lived on e...

31 Loka 20176min

Could we cure climate change? Geoengineering researcher Tim Kruger wants to try. He shares one promising possibility: using natural gas to generate electricity in a way that takes carbon dioxide out o...

31 Loka 20178min

"We all feel a compelling need to watch stories, to tell stories ... to discuss the things that tell each one of us that we are not alone in the world," says TV titan Shonda Rhimes. A dominant force i...

30 Loka 201722min

We're building an artificial intelligence-powered dystopia, one click at a time, says technosociologist Zeynep Tufekci. In an eye-opening talk, she details how the same algorithms companies like Faceb...

27 Loka 201723min