How do vitamins work? – Ginnie Trinh Nguyen
View full lesson: http://ed.ted.com/lessons/what-s-the-value-of-vitamins-ginnie-trinh-nguyen Vitamins are the building blocks that k...
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How do we heal medicine? – Atul Gawande
Our medical systems are broken. Doctors are capable of extraordinary (and expensive) treatments, but they are losing their core focu...
How do we know what color dinosaurs were? – Len Bloch
View full lesson: http://ed.ted.com/lessons/how-do-we-know-what-color-dinosaurs-were-len-bloch The microraptor was a four-winged car...
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...
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...