TED-ED

The rise and fall of the Maya Empire’s most powerful city - Geoffrey E. Braswell
Does math have a major flaw? - Jacqueline Doan and Alex Kazachek
Picture a perfect society. What does it look like? - Joseph Lacey
The Nazis recruited to win the Cold War - Brian Crim
How to prevent political corruption - Stephanie Honchell Smith
The true story behind the legend of the 47 Rōnin - Adam Clulow
This person isn't actually screaming - Noah Charney
What is earwax — and should you get rid of it? - Henry C. Ou
What Earth in 2050 could look like - Shannon Odell
The Greek myth of Demeter's revenge - Iseult Gillespie
The underground cities of the Byzantine Empire - Veronica Kalas
What causes addiction, and why is it so hard to treat? - Judy Grisel