Faith Jegede: What I’ve learned from my autistic brothers

Brené Brown: The power of vulnerability

Jack Andraka: A promising test for pancreatic cancer ... from a teenager

James Flynn: Why our IQ levels are higher than our grandparents'

Meg Jay: Why 30 is not the new 20

Leslie Morgan Steiner: Why domestic violence victims don't leave

How to make stress your friend

Sylvia Earle's TED Prize wish to protect our oceans

Joe Smith: How to use a paper towel

Judy MacDonald Johnston: Prepare for a good end of life

Pearl Arredondo: My story, from gangland daughter to star teacher

Shane Koyczan: "To This Day" ... for the bullied and beautiful

Angela Lee Duckworth: The key to success? Grit

Tyler DeWitt: Hey science teachers -- make it fun

Andy Puddicombe: All it takes is 10 mindful minutes

Ludwick Marishane: A bath without water

Pam Warhurst: How we can eat our landscapes

Chip Kidd: Designing books is no laughing matter. OK, it is.

Dennis vanEngelsdorp: a plea for bees

Vicki Arroyo: Let's prepare for our new climate