How smart are dolphins? - Lori Marino

Could we actually live on Mars? - Mari Foroutan

Could We Cure HIV with Lasers? | Patience Mthunzi | TED Talks

The benefits of good posture - Murat Dalkilinç

Why humans run the world | Yuval Noah Harari | TED

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

How blood pressure works - Wilfred Manzano

What Islam really says about women | Alaa Murabit

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

How one tweet can ruin your life | Jon Ronson

Robert Thurman: Expanding your circle of compassion

Feisal Abdul Rauf: Lose your ego, find your compassion

Jackie Tabick: The balancing act of compassion

Pam Warhurst: How we can eat our landscapes

Marlene Zuk: What we learn from insects’ kinky sex lives

Amy Purdy: Living beyond limits

John Bohannon: Dance vs. powerpoint, a modest proposal

Bilal Bomani: Plant fuels that could power a jet

Julian Baggini: Is there a real you?

Drew Dudley: Everyday leadership

Garth Lenz: The true cost of oil

Jon Nguyen: Tour the solar system from home

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

Aspen Baker: A better way to talk about abortion

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

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

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

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

Why do blood types matter? - Natalie S. Hodge

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

The benefits of a bilingual brain - Mia Nacamulli

Roxane Gay: Confessions of a bad feminist | TED

How X-rays see through your skin - Ge Wang

LaToya Ruby Frazier: A visual history of inequality in industrial America | TED

How to make a mummy - Len Bloch

Steve Silberman: The forgotten history of autism

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

Can you solve the famously difficult green-eyed logic puzzle? - Alex Gendler

Rana el Kaliouby: This app knows how you feel — from the look on your face

Lee Mokobe: A powerful poem about what it feels like to be transgender

Sarah Jones: One woman, five characters, and a sex lesson from the future

This is what it's like to go undercover in North Korea | Suki Kim

Linda Cliatt-Wayman: How to fix a broken school? Lead fearlessly, love hard

What’s the big deal with gluten? - William D. Chey