Browse Lessons

What really happened during the Attica Prison Rebellion - Orisanmi Burton

What’s in the air you breathe? - Amy Hrdina and Jesse Kroll

How one design flaw almost toppled a skyscraper - Alex Gendler

How to get a word added to the dictionary - Ilan Stavans

Meet the bluefin tuna, the toughest fish in the sea - Grantly Galland and Raiana McKinney

How long should your naps be? - Sara C. Mednick

Demolition, disease, and death: Building the Panama Canal - Alex Gendler

Can you solve Dongle's Difficult Dilemma? - Dennis E. Shasha

How do wind turbines work? - Rebecca J. Barthelmie and Sara C. Pryor

How the world’s tallest skyscraper was built - Alex Gendler

The world’s most painful insect sting - Justin Schmidt

Why are airplanes slower than they used to be? - Alex Gendler

Whatever happened to acid rain? - Joseph Goffman

This tool will help improve your critical thinking - Erick Wilberding

The surprising secrets of hummingbird flight - Kristiina J. Hurme and Alejandro Rico-Guevara

Why good ideas get trapped in the valley of death— and how to rescue them

Can you outsmart the apples and oranges fallacy? - Elizabeth Cox

How to see with sound - Jacques S. Abramowicz

A brief history of the devil - Brian A. Pavlac

Why every world map is wrong - Kayla Wolf

Can you solve the fantasy election riddle? - Dennis E. Shasha

Ugly History: The Spanish Inquisition - Kayla Wolf

4 different ways you can power a car

How do antidepressants work? - Neil R. Jeyasingam

How much land does it take to power the world?

The best nose in the animal kingdom - Chase LaDue & Bruce A. Schulte

How does artificial intelligence learn? - Briana Brownell

How much electricity does it take to power the world?

Who were Las Mariposas, and why were they murdered? - Lisa Krause

How would you finish the sentence, “Imagine if…”? - Sir Ken Robinson

Can loud music damage your hearing? - Heather Malyuk

The material that could change the world... for a third time

Debunking the myth of the Lost Cause: A lie embedded in American history - Karen L. Cox

Can you solve the demon dance party riddle? - Edwin Meyer

How scientists turn lakes into giant batteries

Why do we, like, hesitate when we, um, speak? - Lorenzo García-Amaya

The “myth” of the boiling frog

The satisfying math of folding origami - Evan Zodl

What causes dandruff, and how do you get rid of it? - Thomas L. Dawson

Uncovering the brain's biggest secret - Melanie E. Peffer

Why didn’t this 2,000 year old body decompose? - Carolyn Marshall

What if every satellite suddenly disappeared? - Moriba Jah

The world’s most dangerous fart - Nick Caruso and Dani Rabaiotti

When did humans start getting divorced? - Rod Phillips

Why bats don't get sick - Arinjay Banerjee

The Japanese myth of the trickster raccoon - Iseult Gillespie

The rise of the Ottoman Empire - Mostafa Minawi

Who decides how long a second is? - John Kitching