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8:23

Ray Laurence

Four sisters in Ancient Rome

Views 9M
13:24

Karen J. Meech

The story of 'Oumuamua, the first visitor from another star system

Views 8.9M
13:51

Cal Newport

Why you should quit social media

Views 8.9M
5:09

Alex Gendler

Can you solve the pirate riddle?

Views 8.9M
8:47

Sleepy Man Banjo Boys

Bluegrass virtuosity from ... New Jersey?

Views 8.8M
14:41

Ruth Chang

How to make hard choices

Views 8.8M
6:19

Markus Fischer

A robot that flies like a bird

Views 8.8M
4:23

Natalya St. Clair

The unexpected math behind Van Gogh's "Starry Night"

Views 8.7M
14:48

Yves Rossy

Fly with the Jetman

Views 8.7M
17:17

Jim Holt

Why does the universe exist?

Views 8.7M
17:57

Daphne Bavelier

Your brain on video games

Views 8.7M
4:52

Daniel M. Abrams

Why are some people left-handed?

Views 8.6M
12:05

Genevieve von Petzinger

Why are these 32 symbols found in ancient caves all over Europe?

Views 8.6M
51:50

Bill Gates

How we must respond to the coronavirus pandemic

Views 8.6M
4:12

Peta Greenfield

Who were the Vestal Virgins, and what was their job?

Views 8.5M
5:05

Christina Greer

Does your vote count? The Electoral College explained

Views 8.5M
3:48

Ganesh Pai

Can you solve the passcode riddle?

Views 8.5M
16:51

Alain de Botton

A kinder, gentler philosophy of success

Views 8.5M
21:46

Russell Foster

Why do we sleep?

Views 8.5M
14:30

David Steindl-Rast

Want to be happy? Be grateful

Views 8.5M
4:15

Samantha Agoos

5 tips to improve your critical thinking

Views 8.5M
3:43

Heba Shaheed

Is it bad to hold your pee?

Views 8.4M
9:37

Alexander Tsiaras

Conception to birth — visualized

Views 8.3M
15:31

Jia Jiang

What I learned from 100 days of rejection

Views 8.2M
17:27

Amy Webb

How I hacked online dating

Views 8.2M
5:02

Ric Elias

3 things I learned while my plane crashed

Views 8.2M
6:24

Arthur Benjamin

The magic of Fibonacci numbers

Views 8.1M
12:26

Emilie Wapnick

Why some of us don't have one true calling

Views 8.1M
4:01

Amy Adkins

3 tips to boost your confidence

Views 8M
16:16

Dalia Mogahed

What it's like to be Muslim in America

Views 8M
17:08

Yuval Noah Harari

What explains the rise of humans?

Views 8M
4:21

Matthew Winkler

What makes a hero?

Views 8M
27:49

Bill Gates

Innovating to zero!

Views 7.9M
18:31

Justin Baldoni

Why I'm done trying to be "man enough"

Views 7.9M
4:14

Jennifer Lu

Can you solve the counterfeit coin riddle?

Views 7.9M
2:59

Terry Moore

How to tie your shoes

Views 7.9M