What happens if you guess – Leigh Nataro
View full lesson: http://ed.ted.com/lessons/leigh-nataro-what-happens-if-you-guess Will it rain tomorrow? How likely is your favorit...
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Could human civilization spread across the whole galaxy? – Roey Tzezana
View full lesson: http://ed.ted.com/lessons/could-human-civilization-spread-across-the-whole-galaxy-roey-tzezana Could human civiliz...
The story behind the Boston Tea Party – Ben Labaree
View full lesson: http://ed.ted.com/lessons/the-story-behind-the-boston-tea-party-ben-labaree Before the Revolutionary War, American...
How did feathers evolve? – Carl Zimmer
View full lesson: http://ed.ted.com/lessons/how-did-feathers-evolve-carl-zimmer To look at the evolution of modern bird feathers, we...
Who built Great Zimbabwe? And why? – Breeanna Elliott
View full lesson: http://ed.ted.com/lessons/who-built-great-zimbabwe-and-why-breeanna-elliott Stretched across a tree-peppered expan...
How do germs spread (and why do they make us sick)? – Yannay Khaikin and Nicole Mideo
View full lesson: http://ed.ted.com/lessons/how-do-germs-spread-and-why-do-they-make-us-sick-yannay-khaikin-and-nicole-mideo Germs a...
How the Band-Aid was invented | Moments of Vision 3 – Jessica Oreck
View full lesson: http://ed.ted.com/lessons/how-the-band-aid-was-invented-moments-of-vision-3-jessica-oreck It is estimated that Joh...
From pacifist to spy: WWII’s surprising secret agent – Shrabani Basu
Learn about the life of World War II spy Noor Inayat Khan and how she worked with the French Resistance to build the network that de...
How to spot a fad diet – Mia Nacamulli
View full lesson: http://ed.ted.com/lessons/do-fad-diets-work-mia-nacamulli Conventional wisdom about diets, including government he...
What really happened during the Salem Witch Trials – Brian A. Pavlac
Dig into how the infamous Salem Witch Trials began and why they remain a cautionary tale of the dangers of groupthink and scapegoati...