TED TALKS: Listening

Patrick Chappatte: A free world needs satire

Alejandro Durán: How I use art to tackle plastic pollution in our oceans

Marc Raibert: Meet Spot the Robot that can run, hop and open doors

Amy Adkins: 3 TIPS to boost your confidence

Jay Walker: The world's English mania

Rod Phillips: What happened when the US tried to ban alcohol?

Tom Gruber: How AI can enhance our memory, work and social lives

Dan Gross: Why gun violence can't be our new normal

Carson Bruns: Could a tattoo help you stay healthy?

Sue Austin: Deep sea diving...in a wheelchair

Daniel Lismore: My life as a work of art