Abe Davis: New video technology that reveals an object's hidden properties

Why do your knuckles pop? - Eleanor Nelsen

Pamela Ronald: The case for engineering our food

What causes economic bubbles? - Prateek Singh

Alice Goffman: How we're priming some kids for college — and others for prison

Why we laugh | Sophie Scott

What is leukemia? - Danilo Allegra and Dania Puggioni

How to control someone else's arm with your brain | Greg Gage

Why neutrinos matter - Sílvia Bravo Gallart

What happens when our computers get smarter than we are? | Nick Bostrom

Could your brain repair itself? - Ralitsa Petrova

Nizar Ibrahim: How we unearthed the spinosaurus

How to raise a Black son in America | Clint Smith

How to unboil an egg - Eleanor Nelsen

Chris Milk: How virtual reality can create the ultimate empathy machine

Jedidah Isler: How I fell in love with quasars, blazars and our incredible universe

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

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

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

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

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

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