How do we separate the seemingly inseparable? – Iddo Magen
View full lesson: http://ed.ted.com/lessons/how-do-we-separate-the-inseparable-iddo-magen Your cell phone is mainly made of plastics...
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How do we smell? – Rose Eveleth
View full lesson: http://ed.ted.com/lessons/how-do-we-smell-rose-eveleth An adult human can distinguish up to 10,000 odors. You use...
How do we study the stars? – Yuan-Sen Ting
View full lesson: http://ed.ted.com/lessons/how-do-we-study-the-stars-yuan-sen-ting Our best technology can send men to the Moon and...
How do you decide where to go in a zombie apocalypse? – David Hunter
View full lesson: http://ed.ted.com/lessons/how-do-you-decide-where-to-go-in-a-zombie-apocalypse-david-hunter Can geography save you...
How do you know whom to trust? – Ram Neta
View full lesson: http://ed.ted.com/lessons/how-do-you-know-whom-to-trust-ram-neta We believe a lot of things because we’ve be...
How do you know you exist? – James Zucker
View full lesson: http://ed.ted.com/lessons/how-do-you-know-you-exist-james-zucker How do you know you’re real? Is existence all jus...
How do you save a shark you know nothing about? – Simon Berrow
They’re the second largest fish in the world, they’re almost extinct, and we know almost nothing about them. In this tal...
How do your kidneys work? – Emma Bryce
View full lesson: http://ed.ted.com/lessons/how-do-your-kidneys-work-emma-bryce After drinking a few glasses of water on a hot day,...
How does a jellyfish sting? – Neosha S Kashef
View full lesson: http://ed.ted.com/lessons/how-does-a-jellyfish-sting-neosha-s-kashef You’re swimming in the ocean when something b...
How does alcohol make you drunk? – Judy Grisel
Follow alcohol on its journey through the body to find out how it causes drunkenness and why it affects people differently. —...