Why we need to go back to Mars – Joel Levine
In this talk, planetary scientist Joel Levine shows some intriguing — and puzzling — new discoveries about Mars: craters...
Education
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How I taught rats to sniff out land mines – Bart Weetjens
At TEDxRotterdam, Bart Weetjens talks about his extraordinary project: training rats to sniff out land mines. He shows clips of his...
Mysteries of vernacular: Zero – Jessica Oreck and Rachael Teel
View full lesson: http://ed.ted.com/lessons/mysteries-of-vernacular-zero-jessica-oreck-and-rachael-teel Though the first written num...
The science of macaroni salad: What’s in a mixture? – Josh Kurz
View full lesson: http://ed.ted.com/lessons/the-science-of-macaroni-salad-what-s-in-a-mixture-josh-kurz What’s in macaroni sal...
What’s the definition of comedy? Banana. – Addison Anderson
View full lesson: http://ed.ted.com/lessons/what-s-the-definition-of-comedy-banana-addison-anderson What makes us giggle and guffaw?...
How to take a great picture – Carolina Molinari
View full lesson: http://ed.ted.com/lessons/how-to-take-a-great-picture-carolina-molinari Have you ever looked at your camera and wo...
The shape-shifting future of the mobile phone – Fabian Hemmert
View full lesson: http://ed.ted.com/lessons/the-shape-shifting-future-of-the-mobile-phone-fabian-hemmert Fabian Hemmert demos one fu...
Greening the ghetto – Majora Carter
View full lesson: http://ed.ted.com/lessons/majora-carter-greening-the-ghetto In an emotionally charged talk, MacArthur-winning acti...
Atheism 2.0 – Alain de Botton
What aspects of religion should atheists (respectfully) adopt? Alain de Botton suggests a “religion for atheists” —...
Meet the Water Canary – Sonaar Luthra
After a crisis, how can we tell if water is safe to drink? Current tests are slow and complex, and the delay can be deadly, as in th...