TED-Ed

Curiosity, discovery and gecko feet – Robert Full

Can you solve the prisoner hat riddle? – Alex Gendler

Why haven’t we cured arthritis? – Kaitlyn Sadtler and Heather J. Faust

How do contraceptives work? – NWHunter

Why should you read “Dune” by Frank Herbert? – Dan Kwartler

What causes yeast infections, and how do you get rid of them? – Liesbeth Demuyser

Who decides how long a second is? – John Kitching

Three ways the universe could end – Venus Keus

The life cycle of a cup of coffee – A.J. Jacobs

The Pangaea Pop-up – Michael Molina

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

What is a vector? – David Huynh

The truth about bats – Amy Wray

The evolution of the human eye – Joshua Harvey

Would you take the road less traveled? #shorts

Why are some people left-handed? – Daniel M. Abrams

What yoga does to your body and brain – Krishna Sudhir

The myth of Icarus and Daedalus – Amy Adkins

How batteries work – Adam Jacobson

Can you solve the Trojan War riddle? – Dennis E. Shasha

The history of chocolate – Deanna Pucciarelli

How to use a semicolon – Emma Bryce

The Egyptian myth of Isis and the seven scorpions – Alex Gendler

A 3-minute guide to the Bill of Rights – Belinda Stutzman

Can you solve the human cannonball riddle? – Alex Rosenthal

Why does ice float in water? – George Zaidan and Charles Morton

Can you solve the fortress riddle? – Henri Picciotto

What is McCarthyism? And how did it happen? – Ellen Schrecker

How do your hormones work? – Emma Bryce

Why can’t you divide by zero? – TED-Ed

What causes constipation? – Heba Shaheed

How does anesthesia work? – Steven Zheng

Can you solve the counterfeit coin riddle? – Jennifer Lu

The origins of ballet – Jennifer Tortorello and Adrienne Westwood

Why isn’t the world covered in poop? – Eleanor Slade and Paul Manning

History vs. Sigmund Freud – Todd Dufresne

What’s an algorithm? – David J. Malan

Who am I? A philosophical inquiry – Amy Adkins

How interpreters juggle two languages at once – Ewandro Magalhaes

Frida Kahlo: The woman behind the legend – Iseult Gillespie