Salvatore Iaconesi: What happened when I open-sourced my brain cancer

Where did English come from? - Claire Bowern

Amy Purdy: Living beyond limits

John Bohannon: Dance vs. powerpoint, a modest proposal

Srdja Popovic: How to topple a dictator

Bilal Bomani: Plant fuels that could power a jet

Drew Dudley: Everyday leadership

Garth Lenz: The true cost of oil

Larry Smith: Why you will fail to have a great career

Peter Saul: Let's talk about dying

Jonathan Foley: The other inconvenient truth

Joe Smith: How to use a paper towel

Brenda Romero: Gaming for understanding

Tavi Gevinson: A teen just trying to figure it out

Bart Knols: Cheese, dogs and a pill to kill mosquitoes and end malaria

Michael McDaniel: Cheap, effective shelter for disaster relief

Seth Shostak: ET is (probably) out there — get ready

Ami Klin: A new way to diagnose autism

Jon Nguyen: Tour the solar system from home

Todd Humphreys: How to fool a GPS

Noah Wilson-Rich: Every city needs healthy honey bees

John Graham-Cumming: The greatest machine that never was

Emma Teeling: The secret of the bat genome

Megan Kamerick: Women should represent women in media

Alec Soth + Stacey Baker: This is what enduring love looks like

Adam Garone: Healthier men, one moustache at a time

Aspen Baker: A better way to talk about abortion

Inside the minds of animals - Bryan B Rasmussen

Noy Thrupkaew: Human trafficking is all around you. This is how it works

What is a calorie? - Emma Bryce

Ash Beckham: When to take a stand -- and when to let it go

Everything you think you know about addiction is wrong | Johann Hari | TED

Why tragedies are alluring - David E. Rivas

Memory Banda: A Warrior’s Cry Against Child Marriage | TED

How do pregnancy tests work? - Tien Nguyen

How to use a semicolon - Emma Bryce

Gayle Tzemach Lemmon: Meet the first women to fight on the front lines of an American war

History vs. Genghis Khan - Alex Gendler

Latif Nasser: The amazing story of the man who gave us modern pain relief

Jimmy Carter: Why I believe the mistreatment of women is the number one human rights abuse

The incredible history of China's terracotta warriors - Megan Campisi and Pen-Pen Chen

The surprising thing I learned sailing solo around the world | Dame Ellen MacArthur

Why do blood types matter? - Natalie S. Hodge

Chris Urmson: How a driverless car sees the road

Maryn McKenna: What do we do when antibiotics don’t work any more?

How to grow a bone - Nina Tandon

Chip Kidd: The art of first impressions — in design and life

The benefits of a bilingual brain - Mia Nacamulli