Why do we feel nostalgia? - Clay Routledge

5 ways to lead in an era of constant change | Jim Hemerling

How to Raise Successful Kids -- Without Over-Parenting | Julie Lythcott-Haims | TED

Let's teach for mastery -- not test scores | Sal Khan

How trees talk to each other | Suzanne Simard

"Redemption Song" | John Legend

What can we learn from shortcuts? | Tom Hulme

How college loans exploit students for profit | Sajay Samuel

How free is our freedom of the press? | Trevor Timm

Wisdom from great writers on every year of life | Joshua Prager

The reporting system that sexual assault survivors want | Jessica Ladd

Is radiation dangerous? - Matt Anticole

What the discovery of gravitational waves means | Allan Adams

Celeste Headlee: 10 ways to have a better conversation | TED

A simple way to break a bad habit | Judson Brewer | TED

The mysterious world of underwater caves | Jill Heinerth

Have we reached the end of physics? | Harry Cliff

Robert Waldinger: What makes a good life? Lessons from the longest study on happiness | TED

Forget Shopping. Soon You'll Download Your New Clothes | Danit Peleg | TED Talks

How New Technology Helps Blind People Explore the World | Chieko Asakawa | TED Talks

My year reading a book from every country in the world | Ann Morgan

History through the eyes of the potato - Leo Bear-McGuinness

How I Stopped the Taliban from Shutting Down My School | Sakena Yacoobi | TED Talks

Street Art for Hope and Peace | eL Seed | TED Talks

Henry Lin: What we can learn from galaxies far, far away

Feisal Abdul Rauf: Lose your ego, find your compassion

Rachelle Garniez and Thomas Dolby: "La Vie en Rose"

Julian Baggini: Is there a real you?

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

Steve Silberman: The forgotten history of autism

Margaret Heffernan: Why it's time to forget the pecking order at work

What does my headscarf mean to you? | Yassmin Abdel-Magied

The price of shame | Monica Lewinsky | TED

Why sitting is bad for you - Murat Dalkilinç

Kenneth Shinozuka: My simple invention, designed to keep my grandfather safe

For more tolerance, we need more ... tourism? | Aziz Abu Sarah

What are those floaty things in your eye? - Michael Mauser

How autism freed me to be myself | Rosie King

Haas&Hahn: How painting can transform communities

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

The danger of silence | Clint Smith | TED

How to make hard choices | Ruth Chang

The psychology of your future self | Dan Gilbert

History vs. Vladimir Lenin - Alex Gendler

Why do we cry? The three types of tears - Alex Gendler

Rupal Patel: Synthetic voices, as unique as fingerprints

Eli the eel: A mysterious migration - James Prosek

Esta Soler: How we turned the tide on domestic violence (Hint: the Polaroid helped)