Compliment a stranger or reach out to a loved one. You may do more good than you think #TEDTalks

"If we can tell a better story about democracy, we can tell a better story about America" #TEDTalks

Convenience may make your life easier. But what does it cost? #TEDTalks

Clearing tropical forests is also a threat to human health and well-being #TEDTalks

This speaker took on gerrymandering in her state — and won! #TEDTalks

Hint: It’s all you need #TEDTalks

You can always count on people to fill in the blanks #TEDTalks