You don't have to be an expert to solve big problems | Tapiwa Chiwewe
Driving in Johannesburg one day, Tapiwa Chiwewe noticed an enormous cloud of air pollution hanging over the city. He was curious and concerned but not an environmental expert -- so he did some researc...
23 Feb 20188min
Refugees want empowerment, not handouts | Robert Hakiza
The prevailing image of where refugees live is of temporary camps in isolated areas -- but in reality, nearly 60 percent of them worldwide end up in urban areas. TED Fellow Robert Hakiza takes us insi...
22 Feb 20186min
How to have a healthier, positive relationship to sex | Tiffany Kagure Mugo and Siphumeze Khundayi
From our fear of women's bodies to our sheepishness around the word "nipple," our ideas about sex need an upgrade, say sex educators (and hilarious women) Tiffany Kagure Mugo and Siphumeze Khundayi. F...
22 Feb 201811min
A life-saving invention that prevents human stampedes | Nilay Kulkarni
Every three years, more than 30 million Hindu worshippers gather for the Kumbh Mela in India, the world's largest religious gathering, in order to wash away their sins. With massive crowds descending ...
21 Feb 20187min
How we can build AI to help humans, not hurt us | Margaret Mitchell
As a research scientist at Google, Margaret Mitchell helps develop computers that can communicate about what they see and understand. She tells a cautionary tale about the gaps, blind spots and biases...
20 Feb 20189min
How (and why) Russia hacked the US election | Laura Galante
Hacking, fake news, information bubbles ... all these and more have become part of the vernacular in recent years. But as cyberspace analyst Laura Galante describes in this alarming talk, the real tar...
19 Feb 20189min
The secret to great opportunities? The person you haven't met yet | Tanya Menon
We often find ourselves stuck in narrow social circles with similar people. What habits confine us, and how can we break them? Organizational psychologist Tanya Menon considers how we can be more inte...
16 Feb 201814min
3 creative ways to fix fashion's waste problem | Amit Kalra
What happens to the clothes we don't buy? You might think that last season's coats, trousers and turtlenecks end up being put to use, but most of it (nearly 13 million tons each year in the United Sta...
15 Feb 20189min
