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4:22

Stephen Bax

The world's most mysterious book

Posted Feb 2019
4:52

Lisa Winer

Can you solve the virus riddle?

Posted Feb 2019
4:14

Jennifer Lu

Can you solve the counterfeit coin riddle?

Posted Feb 2019
3:43

Heba Shaheed

Is it bad to hold your pee?

Posted Feb 2019
4:52

Matt Anticole

Why the metric system matters

Posted Feb 2019
4:27

Alex Gendler

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

Posted Feb 2019
3:36

Emma Bryce

How does the thyroid manage your metabolism?

Posted Feb 2019
2:47

James Zucker

How do you know you exist?

Posted Feb 2019
4:10

Claudia Aguirre

What makes tattoos permanent?

Posted Feb 2019
4:30

Deborah Gordon

Inside the ant colony

Posted Feb 2019
4:14

George Zaidan

Why is ketchup so hard to pour?

Posted Feb 2019
4:04

Dennis Wildfogel

What is the universe made of?

Posted Feb 2019
4:04

Rose Eveleth

How do we smell?

Posted Feb 2019
4:15

Stephanie Warren

The chemistry of cookies

Posted Feb 2019
4:00

Amanda Mattes

Kabuki: The people's dramatic art

Posted Feb 2019
4:07

Alex Gendler

Myths and misconceptions about evolution

Posted Feb 2019
5:10

Scott Gass

How big is the ocean?

Posted Feb 2019
4:07

George Zaidan

What is fat?

Posted Feb 2019
13:27

Dolores Huerta

How to overcome apathy and find your power

Posted Feb 2019
3:57

Christina Greer

An unsung hero of the civil rights movement

Posted Feb 2019
10:41

Ashweetha Shetty

How education helped me rewrite my life

Posted Feb 2019
5:38

Ilan Stavans

Why should you read "Don Quixote"?

Posted Feb 2019
5:02

David Lunney

The life cycle of a neutron star

Posted Feb 2019
12:01

Liz Kleinrock

How to teach kids to talk about taboo topics

Posted Feb 2019
3:56

Iseult Gillespie

Why should you read Flannery O'Connor?

Posted Feb 2019
7:04

Jeanne Pinder

What if all US health care costs were transparent?

Posted Feb 2019
4:30

Venus Keus

Three ways the universe could end

Posted Feb 2019
10:58

Roy Bahat and Bryn Freedman

What is the meaning of work?

Posted Feb 2019
11:25

Pete Buttigieg

How one mayor forged his city's future by rethinking its past

Posted Feb 2019
12:58

Angela Oguntala

Re-imagine the future

Posted Feb 2019
15:01

Andrew Peek

How your personal narrative limits your future

Posted Feb 2019
10:53

Graham Worthy

The future of our coastal systems

Posted Feb 2019
13:27

Yannick Roudaut

How today's truths shape tomorrow's possibilities

Posted Feb 2019
16:49

Michael Benton

Mass extinctions and the future of life on Earth

Posted Feb 2019
16:39

Lindiwe Mazibuko

Why the African diaspora is crucial to the continent's future

Posted Feb 2019
5:10

Netta Schramm

Why don't perpetual motion machines ever work?

Posted Feb 2019