The danger of hiding who you are | Morgana Bailey

Joe Madiath: Better toilets, better life

Why the Arctic is climate change's canary in the coal mine - William Chapman

Sarah Bergbreiter: Why I make robots the size of a grain of rice

Matthieu Ricard: How to let altruism be your guide

What triggers a chemical reaction? - Kareem Jarrah

Cristina Domenech: Poetry that frees the soul (with English subtitles) | TED

Could a blind eye regenerate? - David Davila

Robert Swan: Let's save the last pristine continent

How spontaneous brain activity keeps you alive - Nathan S. Jacobs

Navi Radjou: Creative problem-solving in the face of extreme limits

How do vaccines work? - Kelwalin Dhanasarnsombut

Fredy Peccerelli: A forensic anthropologist who brings closure for the “disappeared"

The evolution of the human eye - Joshua Harvey

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

Daniele Quercia: Happy maps

Einstein's miracle year - Larry Lagerstrom

Asha de Vos: Why you should care about whale poo

The benefits of a good night's sleep - Shai Marcu

What is a gift economy? - Alex Gendler

Erin McKean: Go ahead, make up new words!

The Atlantic slave trade: What too few textbooks told you - Anthony Hazard

Trash cart superheroes | Mundano

Bruno Torturra: Got a smartphone? Start broadcasting

The great conspiracy against Julius Caesar - Kathryn Tempest

The power of believing that you can improve | Carol Dweck | TED

The wonderful and terrifying implications of computers that can learn | Jeremy Howard

The truth about bats - Amy Wray

The pharaoh that wouldn't be forgotten - Kate Green

Dave Troy: Social maps that reveal a city's intersections — and separations

Catherine Crump: The small and surprisingly dangerous detail the police track about you

At what moment are you dead? - Randall Hayes

Thomas Hellum: The world's most boring television ... and why it's hilariously addictive

Anastasia Taylor-Lind: Fighters and mourners of the Ukrainian revolution

How to create cleaner coal - Emma Bryce

The 2,400-year search for the atom - Theresa Doud

Aakash Odedra: A dance in a hurricane of paper, wind and light

Barbara Natterson-Horowitz: What veterinarians know that doctors don't

What we know (and don't know) about Ebola - Alex Gendler

Rainer Strack: The surprising workforce crisis of 2030 — and how to start solving it now

The hidden worlds within natural history museums - Joshua Drew

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

Hidden Cameras Film Injustice in Dangerous Places | Oren Yakobovich | TED Talks

The Art of Stillness | Pico Iyer | TED

Why some people find exercise harder than others | Emily Balcetis

What does the liver do? - Emma Bryce

Mark Plotkin: What the people of the Amazon know that you don’t

How do lungs work? - Emma Bryce