What really happens to the plastic you throw away - Emma Bryce

Gary Haugen: The hidden reason for poverty the world needs to address now

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Why is biodiversity so important? - Kim Preshoff

Nathalie Cabrol: How Mars might hold the secret to the origin of life

Paul Tudor Jones II: Why we need to rethink capitalism

How to spot a counterfeit bill - Tien Nguyen

The best kindergarten you’ve ever seen | Takaharu Tezuka

What's the difference between accuracy and precision? - Matt Anticole

Kailash Satyarthi: How to make peace? Get angry

Why are manhole covers round? - Marc Chamberland

Barat Ali Batoor: My desperate journey with a human smuggler

Fred Jansen: How to land on a comet

The science of static electricity - Anuradha Bhagwat

How equal do we want the world to be? You'd be surprised | Dan Ariely

Eduardo Sáenz de Cabezón: Math is forever (with English subtitles) | TED

How brass instruments work - Al Cannon

5 ways to kill your dreams | Bel Pesce

Camera or eye: Which sees better? - Michael Mauser

The next outbreak? We’re not ready | Bill Gates | TED

Boniface Mwangi: The day I stood up alone

How to Use "have been" "has been" "had been" in English | Go Natural English

The effects of underwater pressure on the body - Neosha S Kashef

English Vocabulary: other words for LIKE and DON'T LIKE

Are China and the US doomed to conflict? | Kevin Rudd

Daniel Kish: How I use sonar to navigate the world

What causes bad breath? - Mel Rosenberg

3 ways to pronounce the EX sound in English

Alison Killing: There’s a better way to die, and architecture can help

How do geckos defy gravity? - Eleanor Nelsen

Dame Stephanie Shirley: Why do ambitious women have flat heads?

Theaster Gates: How to revive a neighborhood: with imagination, beauty and art

Earworms: Those songs that get stuck in your head - Elizabeth Hellmuth Margulis

Dave Isay: Everyone around you has a story the world needs to hear

Anand Giridharadas: A tale of two Americas. And the mini-mart where they collided

What did democracy really mean in Athens? - Melissa Schwartzberg

How we teach computers to understand pictures | Fei Fei Li

Where did Earth’s water come from? - Zachary Metz

The price of shame | Monica Lewinsky | TED

What if 3D printing was 100x faster? | Joseph DeSimone

Can robots be creative? - Gil Weinberg

Can we create new senses for humans? | David Eagleman

Robyn Stein DeLuca: The good news about PMS

Plato’s Allegory of the Cave - Alex Gendler

Vincent Cochetel: I was held hostage for 317 days. Here's what I thought about…

Why it’s so hard to cure HIV/AIDS - Janet Iwasa

The real story behind Archimedes’ Eureka! - Armand D'Angour

Linda Hill: How to manage for collective creativity