What did democracy really mean in Athens? – Melissa Schwartzberg
View full lesson: http://ed.ted.com/lessons/what-did-democracy-really-mean-in-athens-melissa-schwartzberg ↵↵While we might consider...
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Where did Earth’s water come from? – Zachary Metz
View full lesson: http://ed.ted.com/lessons/where-did-earth-s-water-come-from-zachary-metz Water covers over 70% of the Earth, cycli...
Can robots be creative? – Gil Weinberg
View full lesson: http://ed.ted.com/lessons/can-robots-be-creative-gil-weinberg People have been grappling with the question of arti...
Plato’s Allegory of the Cave – Alex Gendler
View full lesson: http://ed.ted.com/lessons/plato-s-allegory-of-the-cave-alex-gendler Twenty four hundred years ago, Plato, one of h...
Why it’s so hard to cure HIV/AIDS – Janet Iwasa
View full lesson: https://ed.ted.com/lessons/why-it-s-so-hard-to-cure-hiv-aids-janet-iwasa In 2008, something incredible happened: a...
The real story behind Archimedes’ Eureka! – Armand D’Angour
View full lesson: http://ed.ted.com/lessons/the-real-story-behind-archimedes-eureka-armand-d-angour When you think of Archimedes’ Eu...
Learning from smallpox: How to eradicate a disease – Julie Garon and Walter A. Orenstein
View full lesson: http://ed.ted.com/lessons/learning-from-smallpox-how-to-eradicate-a-disease-julie-garon-and-walter-a-orenstein For...
How parasites change their host’s behavior – Jaap de Roode
View full lesson: http://ed.ted.com/lessons/how-parasites-change-their-host-s-behavior-jaap-de-roode The biggest challenge in a para...
Why sitting is bad for you – Murat Dalkilinç
View full lesson: http://ed.ted.com/lessons/why-sitting-is-bad-for-you-murat-dalkilinc Sitting down for brief periods can help us re...
Rhythm in a box: The story of the cajon drum – Paul Jennings
View full lesson: http://ed.ted.com/lessons/rhythm-in-a-box-the-story-of-the-cajon-drum-paul-jennings Many modern musical instrument...