Robb Willer studies the forces that unite and divide us. As a social psychologist, he researches how moral values -- typically a source of division -- can also be used to bring people together. Willer shares compelling insights on how we might bridge the ideological divide and offers some intuitive advice on ways to be more persuasive when talki...

The good news is that your experimental robo-ants are a success. The bad news is that you accidentally gave them the ability to shoot deadly lasers ... and you can't turn it off. Can you stop them from escaping their habitat before the lasers are activated? Dan Finkel shows how. [TED-Ed Animation by Artrake Studio].

Ditch your business cards. There are more effective, less awkward strategies for building your connections. (Audio only)