Browse Lessons

The genes you don't get from your parents (but can't live without) - Devin Shuman

The surprising origins of the word “lesbian” - Diane J. Rayor

How a concubine became the ruler of Egypt - Abdallah Ewis

Can you solve the rogue submarine riddle? - Alex Rosenthal

The secrets of the world’s most famous symphony - Hanako Sawada

You could have a secret twin (but not the way you think) - Kayla Mandel Sheets

Earth's mysterious red glow, explained - Zoe Pierrat

What makes a language... a language? - Martin Hilpert

The rise and fall of the Lakota Empire - Pekka Hämäläinen

What is MSG, and is it actually bad for you? - Sarah E. Tracy

The infamous overpopulation bet: Simon vs. Ehrlich - Soraya Field Fiorio

Is this the most successful animal ever? - Nigel Hughes

How we can detect pretty much anything - Hélène Morlon and Anna Papadopoulou

Can you outsmart the slippery slope fallacy? - Elizabeth Cox

How the COVID-19 vaccines were created so quickly - Kaitlyn Sadtler and Elizabeth Wayne

The secret society of the Great Dismal Swamp - Dan Sayers

Can you solve the giant spider riddle? - Dan Finkel

The method that can "prove" almost anything - James A. Smith

What causes seizures, and how can we treat them? - Christopher E. Gaw

Iceland's secret power - Jean-Baptiste P. Koehl

A year in the life of one of Earth's weirdest animals - Gilad Bino

The rise and fall of the Kingdom of Man - Andrew McDonald

The paradox at the heart of mathematics: Gödel's Incompleteness Theorem - Marcus du Sautoy

Why can’t governments print an unlimited amount of money? - Jonathan Smith

The most notorious scientific feud in history - Lukas Rieppel

History's deadliest king - by Georges Nzongola-Ntalaja

Could we build a wooden skyscraper? - Stefan Al

The dark history of the Chinese Exclusion Act - Robert Chang

What you can do with an extra jaw - Darien Satterfield

How one person saved over 2,000 children from the Nazis - Iseult Gillespie

Can you cheat death by solving this riddle? - Shravan S K

Axolotls: The salamanders that snack on each other (but don't die) - Luis Zambrano

Why was India split into two countries? - Haimanti Roy

What few people know about the program that "saved" America - Meg Jacobs

A brief history of toilets - Francis de los Reyes

The sharks that hunt in forests - Luka Seamus Wright

How do you know what's true? - Sheila Marie Orfano

Ugly History: The U.S. Syphilis Experiment - Susan M. Reverby

A day in the life of the oracle of Delphi - Mark Robinson

Why do we have hair in such random places? - Nina G. Jablonski

The epic of Gilgamesh, the king who tried to conquer death - Soraya Field Fiorio

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

Could you survive the real Twilight Zone? - Philip Renaud and Kenneth Kostel

The woman who stared at the Sun - Alex Gendler

Run, sail, or hide? How to survive the destruction of Pompeii - Gary Devore

Can you be awake and asleep at the same time? - Masako Tamaki

What happens to your brain during a migraine - Marianne Schwarz

Should you donate your DNA to help cure diseases? - Greg Foot