The Future of Early Cancer Detection? | Jorge Soto | TED Talks

Myriam Sidibe: The simple power of handwashing

One more reason to get a good night’s sleep | Jeff Iliff

Glenn Greenwald: Why privacy matters

Dilip Ratha: The hidden force in global economics: sending money home

Pia Mancini: How to upgrade democracy for the Internet era

How do vitamins work? - Ginnie Trinh Nguyen

Thomas Piketty: New thoughts on capital in the twenty-first century

Daria van den Bercken: Why I take the piano on the road … and in the air

Nancy Kanwisher: A neural portrait of the human mind

A brief history of melancholy - Courtney Stephens

Gail Reed: Where to train the world's doctors? Cuba.

The career advice you probably didn't get | Susan Colantuono

Is telekinesis real? - Emma Bryce

Francis de los Reyes: Sanitation is a basic human right

If matter falls down, does antimatter fall up? - Chloé Malbrunot

Moshe Safdie: How to reinvent the apartment building

Matthew O'Reilly: "Am I dying?" The honest answer.

Eman Mohammed: The courage to tell a hidden story

Kenneth Cukier: Big data is better data

Conversation Skills: DON'T BE SHY!

The state of the climate -- and what we might do about it | Nicholas Stern

Avi Reichental: What’s next in 3D printing

Mac Barnett: Why a good book is a secret door

What makes us get sick? Look upstream | Rishi Manchanda

Uldus Bakhtiozina: Wry photos that turn stereotypes upside down

How not to be ignorant about the world | Hans and Ola Rosling

Dan Barasch: A park underneath the hustle and bustle of New York City

I am the son of a terrorist. Here's how I chose peace | Zak Ebrahim

Colin Grant: The son of a difficult father

Shubhendu Sharma: How to grow a tiny forest anywhere

Isabel Allende: How to live passionately—no matter your age | TED

Why does the universe exist? | Jim Holt | TED

Jill Shargaa: Please, please, people. Let's put the 'awe' back in 'awesome'

Sally Kohn: Don’t like clickbait? Don’t click

Meera Vijayann: Find your voice against gender violence

Martin Rees: Can we prevent the end of the world?

Ziyah Gafić: Everyday objects, tragic histories

Jarrett J. Krosoczka: Why lunch ladies are heroes

Aziza Chaouni: How I brought a river, and my city, back to life

Tim Berners-Lee: A Magna Carta for the web

The danger of silence | Clint Smith | TED

Eric Liu: Why ordinary people need to understand power

Dan Pacholke: How prisons can help inmates live meaningful lives

Beware, fellow plutocrats, the pitchforks are coming | Nick Hanauer

Talithia Williams: Own your body's data

Megan Washington: Why I live in mortal dread of public speaking

Janet Iwasa: How animations can help scientists test a hypothesis