How brass instruments work – Al Cannon
View full lesson: http://ed.ted.com/lessons/how-brass-instruments-work-al-cannon What gives the trumpet its clarion ring and the tub...
Education
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Eye vs. camera – Michael Mauser
View full lesson: http://ed.ted.com/lessons/eye-vs-camera-michael-mauser Your eyes don’t always capture the world exactly as a video...
The effects of underwater pressure on the body – Neosha S Kashef
View full lesson: http://ed.ted.com/lessons/the-effects-of-underwater-pressure-on-the-body-neosha-s-kashef Why would a fish throw up...
What causes bad breath? – Mel Rosenberg
View full lesson: http://ed.ted.com/lessons/what-causes-bad-breath-mel-rosenberg Halitosis is a curse that has plagued humanity sinc...
How do geckos defy gravity? – Eleanor Nelsen
View full lesson: http://ed.ted.com/lessons/how-do-geckos-defy-gravity-eleanor-nelsen Geckos aren’t covered in adhesives or hooks or...
Earworms: Those songs that get stuck in your head – Elizabeth Hellmuth Margulis
View full lesson: http://ed.ted.com/lessons/earworms-those-songs-that-get-stuck-in-your-head-elizabeth-hellmuth-margulis↵↵Have you e...
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...
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...