A day in the life of an ancient Celtic Druid – Philip Freeman
Join the Celtic druid Camma in her village as she conducts religious rites, serves as a healer, and mediates conflict between tribes...
Videos & TV
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How does your smartphone know your location? – Wilton L. Virgo
View full lesson: http://ed.ted.com/lessons/how-does-your-smartphone-know-your-location-wilton-l-virgo GPS location apps on a smartp...
Secrets of the X chromosome – Robin Ball
View full lesson: http://ed.ted.com/lessons/secrets-of-the-x-chromosome-robin-ball The sequence of DNA that we inherit from our pare...
Can you solve the sea monster riddle? – Dan Finkel
Practice more problem-solving at https://brilliant.org/TedEd/ — According to legend, once every thousand years a host of sea m...
The secret student resistance to Hitler – Iseult Gillespie
Learn the story of the WWII student resistance group, called the White Rose, fighting against Hitler in Nazi Germany. — In 194...
What are gravitational waves? – Amber L. Stuver
Check out all of TED-Ed’s book recommendations: http://ed.ted.com/books Check out Neil deGrasse Tyson’s “Astrophys...
How do executive orders work? – Christina Greer
Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/how-do-executive-orders-work-...
A brief history of plural word…s – John McWhorter
View full lesson here: http://ed.ted.com/lessons/a-brief-history-of-plural-word-s-john-mcwhorter All it takes is a simple S to make...
What is obesity? – Mia Nacamulli
View full lesson: http://ed.ted.com/lessons/what-is-obesity-mia-nacamulli Obesity is an escalating global epidemic. It substantially...
How the world’s longest underwater tunnel was built – Alex Gendler
Discover how the English Channel Tunnel was built and the engineering challenges of building a 200 kilometer long tunnel underwater....