Browse Lessons

A day in the life of an Aztec midwife - Kay Read

TED invites the class of 2020 to give a TED Talk

What causes opioid addiction, and why is it so tough to combat? - Mike Davis

Which is better: Soap or hand sanitizer? - Alex Rosenthal and Pall Thordarson

What really happened during the Salem Witch Trials - Brian A. Pavlac

This sea creature breathes through its butt - Cella Wright

The electrifying speeches of Sojourner Truth - Daina Ramey Berry

The dark history of IQ tests - Stefan C. Dombrowski

What happens if you cut down all of a city's trees? - Stefan Al

The wildly complex anatomy of a sneaker - Angel Chang

Introducing Earth School

What’s the point(e) of ballet? - Ming Luke

The Gauntlet | Think Like A Coder, Ep 8

The bug that poops candy - George Zaidan

The hidden life of Rosa Parks - Riché D. Richardson

How does alcohol make you drunk? - Judy Grisel

How Sun Wukong escaped the underworld - Shunan Teng

The art forger who tricked the Nazis - Noah Charney

Can you solve the sea monster riddle? - Dan Finkel

History vs. Sigmund Freud - Todd Dufresne

How the world's longest underwater tunnel was built - Alex Gendler

What is schizophrenia? - Anees Bahji

Why isn’t the Netherlands underwater? - Stefan Al

The princess exiled from ancient Mesopotamia - Soraya Field Fiorio

The imaginary king who changed the real world - Matteo Salvadore

How one scientist took on the chemical industry - Mark Lytle

How can we solve the antibiotic resistance crisis? - Gerry Wright

The tale of the doctor who defied Death - Iseult Gillespie

The meaning of life according to Simone de Beauvoir - Iseult Gillespie

What’s a squillo, and why do opera singers need it? - Ming Luke

NASA’s first software engineer: Margaret Hamilton - Matt Porter & Margaret Hamilton

Can you solve the death race riddle? - Alex Gendler

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

The Tower of Epiphany | Think Like A Coder, Ep 7

How good are you at calculating risk? - Gerd Gigerenzer

Vultures: The acid-puking, plague-busting heroes of the ecosystem - Kenny Coogan

The secret messages of Viking runestones - Jesse Byock

What happens if you're injected with the wrong blood type? - Bill Schutt

The legend of Annapurna, Hindu goddess of nourishment - Antara Raychaudhuri & Iseult Gillespie

One of the most epic engineering feats in history - Alex Gendler

The accident that changed the world - Allison Ramsey and Mary Staicu

Everything changed when the fire crystal got stolen - Alex Gendler

Do politics make us irrational? - Jay Van Bavel

The life, legacy & assassination of an African revolutionary - Lisa Janae Bacon

The Chasm | Think Like A Coder, Ep 6

Licking bees and pulping trees: The reign of a wasp queen - Kenny Coogan

How bones make blood - Melody Smith

Why is cotton in everything? - Michael R. Stiff