The "opportunity gap" in US public education -- and how to close it | Anindya Kundu

Why winning doesn't always equal success | Valorie Kondos Field

The past, present and future of nicotine addiction | Mitch Zeller

The beautiful balance between courage and fear | Cara E. Yar Khan

Why 1.5 billion people eat with chopsticks | Small Thing Big Idea, a TED series

How to turn off work thoughts during your free time | Guy Winch

How civilization could destroy itself -- and 4 ways we could prevent it | Nick Bostrom

What we're getting wrong in the fight to end hunger | Jasmine Crowe

How we can protect truth in the age of misinformation | Sinan Aral

Your body was forged in the spectacular death of stars | Enrico Ramirez-Ruiz

How the gut microbes you're born with affect your lifelong health | Henna-Maria Uusitupa

The function and fashion of eyeglasses | Small Thing Big Idea, a TED series

How the compass unlocked the world | Small Thing Big Idea, a TED series

Dangerous times call for dangerous women | Pat Mitchell

The evolution of the coffee cup lid | Small Thing Big Idea, a TED series