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Earworms: Those songs that get stuck in your head – Elizabeth Hellmuth Margulis

View full lesson: http://ed.ted.com/lessons/earworms-those-songs-that-get-stuck-in-your-head-elizabeth-hellmuth-margulis↵↵Have you ever been waiting in line at the grocery store, innocently perusing the magazine rack, when...
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Plato’s Allegory of the Cave – Alex Gendler

View full lesson: http://ed.ted.com/lessons/plato-s-allegory-of-the-cave-alex-gendler Twenty four hundred years ago, Plato, one of history’s most famous thinkers, said life is like being...
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The real story behind Archimedes’ Eureka! – Armand D'Angour

View full lesson: http://ed.ted.com/lessons/the-real-story-behind-archimedes-eureka-armand-d-angour When you think of Archimedes’ Eureka moment, you probably imagine a man in a bathtub, right? As...
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The sonic boom problem – Katerina Kaouri

View full lesson: http://ed.ted.com/lessons/what-causes-sonic-booms-katerina-kaouri Objects that fly faster than the speed of sound (like really fast planes) create a shock wave...
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How do dogs "see" with their noses? – Alexandra Horowitz

View full lesson: http://ed.ted.com/lessons/how-do-dogs-see-with-their-noses-alexandra-horowitz You may have heard the expression that dogs ‘see with their noses.’ But these creature’s amazing nasal...
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Why Shakespeare loved iambic pentameter – David T. Freeman and Gregory Taylor

View full lesson: http://ed.ted.com/lessons/why-shakespeare-loved-iambic-pentameter-david-t-freeman-and-gregory-taylor Shakespeare sometimes gets a bad rap in high schools for his complex plots and antiquated language. But...
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How do vaccines work? – Kelwalin Dhanasarnsombut

Learn the science behind how vaccines trigger an immune response and teach our bodies to recognize dangerous pathogens. -- The first ever...
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The evolution of the human eye – Joshua Harvey

View full lesson: http://ed.ted.com/lessons/the-evolution-of-the-human-eye-joshua-harvey The human eye is an amazing mechanism, able to detect anywhere from a few photons to a...
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The great conspiracy against Julius Caesar – Kathryn Tempest

View full lesson: http://ed.ted.com/lessons/the-great-conspiracy-against-julius-caesar-kathryn-tempest On March 15th, 44 BCE, Roman dictator Julius Caesar was assassinated by a group of about 60...
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The pharaoh that wouldn't be forgotten – Kate Green

Check out our Patreon page: patreon.com/teded View full lesson: http://ed.ted.com/lessons/the-pharaoh-that-wouldn-t-be-forgotten-kate-narev Hatshepsut was a female pharaoh during the New Kingdom in Egypt. Twenty...