Why do Americans and Canadians celebrate Labor Day? | Kenneth C. Davis

How to ask for more — and get it | Alex Carter

How to turn the tables on food waste | Dana Gunders

A controversial play — and what it taught me about the psychology of climate | David Finnigan

What does it take to create change? An artist and a conservationist answer | TED Intersections

Sunday Pick: Could your new best friend be an AI-powered NPC? | The TED AI Show

How to find laughter anywhere | Chris Duffy

Can math help repair democracy? | Sam Wang

To end extreme poverty, give cash — not advice | Rory Stewart

The arrest of Telegram CEO Pavel Durov — and why you should care | Eli Pariser