Is math discovered or invented? – Jeff Dekofsky
View full lesson: http://ed.ted.com/lessons/is-math-discovered-or-invented-jeff-dekofsky Would mathematics exist if people didn̵...
Videos & TV
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Is our climate headed for a mathematical tipping point? – Victor J. Donnay
View full lesson: http://ed.ted.com/lessons/is-our-climate-headed-for-mathematical-chaos-victor-j-donnay Scientists have warned that...
Is our universe the only universe? – Brian Greene
Is there more than one universe? In this visually rich, action-packed talk, Brian Greene shows how the unanswered questions of physi...
Is radiation dangerous? – Matt Anticole
View full lesson: http://ed.ted.com/lessons/is-radiation-dangerous-matt-anticole When we hear the word radiation, it’s tempting to p...
Is space trying to kill us? – Ron Shaneyfelt
View full lesson: http://ed.ted.com/lessons/is-space-trying-to-kill-us-ron-shaneyfelt How likely is it that a massive asteroid will...
Is telekinesis real? – Emma Bryce
View full lesson: http://ed.ted.com/lessons/is-telekinesis-real-emma-bryce Telekinesis, the ability to manipulate matter with the mi...
Is the obesity crisis hiding a bigger problem? – Peter Attia
As a young surgeon, Peter Attia felt contempt for a patient with diabetes. She was overweight, he thought, and thus responsible for...
Is there a center of the universe? – Marjee Chmiel and Trevor Owens
View full lesson: http://ed.ted.com/lessons/is-there-a-center-of-the-universe-marjee-chmiel-and-trevor-owens It’s been a long...
Is there a difference between art and craft? – Laura Morelli
View full lesson: http://ed.ted.com/lessons/is-there-a-difference-between-art-and-craft-laura-morelli Was da Vinci an artistic geniu...
Is there a disease that makes us love cats? – Jaap de Roode
Is your cat amazing … or is there a parasite in your brain that exercises mind control? Get the facts on toxoplasmosis. —...