Education

2616 Videos
Would you opt for a life with no pain? – Hayley Levitt and Bethany Rickwald
21.39K
04:10

Would you opt for a life with no pain? – Hayley Levitt and Bethany Rickwald

View full lesson: http://ed.ted.com/lessons/would-you-opt-for-a-life-with-no-pain-hayley-levitt-and-bethany-rickwald Imagine if you could plug your brain into a machine that would bring you ultimate pleasure for the rest of your life. The only catch? You have to permanently leave reality behind. Hayley Levitt and Bethany Rickwald explore Robert Nozick’s thought experiment that he called the Experience Machine. Lesson by Hayley […]
Will future spacecraft fit in our pockets? – Dhonam Pemba
5.37K
04:37

Will future spacecraft fit in our pockets? – Dhonam Pemba

View full lesson: http://ed.ted.com/lessons/will-future-spaceships-fit-in-our-pockets-dhonam-pemba When you picture a rocket, you might imagine a giant ship carrying lots of fuel, people and supplies. But what if the next wave of spacecraft were small enough to fit into our pockets? Dhonam Pemba details the future of microspacecraft, and how scientists at NASA are hoping to use micropropulsion […]
I’m Batman – Amy Wray
18.61K
05:48

I’m Batman – Amy Wray

View full lesson: http://ed.ted.com/lessons/i-m-batman-amy-wray What flies through the night, silently guarding and protecting our world from evil? Batman? Try…a bat. Like Batman, bats are widely misunderstood and vilified. Amy Wray disproves the myth that bats are dangerous villains and explains why they, instead, deserve a hero’s welcome — and our protection. Lesson by Amy Wray, […]
Earworms: Those songs that get stuck in your head – Elizabeth Hellmuth Margulis
8.30K
04:46

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 a song pops into your head? Not the whole song, but a fragment of it that plays and replays until you find yourself unloading the vegetables in time to the beat? Elizabeth Hellmuth Margulis explores […]
The history of tattoos – Addison Anderson
11.86K
05:17

The history of tattoos – Addison Anderson

View full lesson: http://ed.ted.com/lessons/the-history-of-tattoos-addison-anderson If you have a tattoo, you’re part of a rich cultural history that dates back at least 8,000 years. Where did this practice of body modification come from, and how has its function changed over time? Addison Anderson tracks the history of getting inked. Lesson by Addison Anderson, animation by The […]
The 2,400-year search for the atom – Theresa Doud
2.58K
05:23

The 2,400-year search for the atom – Theresa Doud

View full lesson: http://ed.ted.com/lessons/the-2-400-year-search-for-the-atom-theresa-doud How do we know what matter is made of? The quest for the atom has been a long one, beginning 2,400 years ago with the work of a Greek philosopher and later continued by a Quaker and a few Nobel Prize-winning scientists. Theresa Doud details the history of atomic theory. Lesson […]
The time value of money – German Nande
1.26K
03:37

The time value of money – German Nande

View full lesson: http://ed.ted.com/lessons/how-to-calculate-the-future-value-of-your-cash-german-nande We’ve all heard the phrase “Time is money.” But what do these two things actually have to do with one another? German Nande explains the math behind interest rates, revealing the equation that will allow you to calculate the future value of your money (if you wisely put it in the […]
How fast are you moving right now? – Tucker Hiatt
8.01K
06:10

How fast are you moving right now? – Tucker Hiatt

View full lesson: http://ed.ted.com/lessons/how-fast-are-you-moving-right-now-tucker-hiatt “How fast are you moving?” seems like an easy question, but it’s actually quite complicated — and perhaps best answered by another question: “Relative to what?” Even when you think you’re standing still, the Earth is moving relative to the Sun, which is moving relative to the Milky Way, which is…you […]
Why is ketchup so hard to pour? – George Zaidan
7.02K
04:29

Why is ketchup so hard to pour? – George Zaidan

View full lesson: http://ed.ted.com/lessons/why-is-ketchup-so-hard-to-pour-george-zaidan Ever go to pour ketchup on your fries…and nothing comes out? Or the opposite happens, and your plate is suddenly swimming in a sea of red? George Zaidan describes the physics behind this frustrating phenomenon, explaining how ketchup and other non-Newtonian fluids can suddenly transition from solid to liquid and back […]
The operating system of life – George Zaidan and Charles Morton
4.57K
04:01

The operating system of life – George Zaidan and Charles Morton

View full lesson: http://ed.ted.com/lessons/the-operating-system-of-life-george-zaidan-and-charles-morton Humans, octopi and pine trees alike are all made up of cells, tiny but sophisticated systems that keep life going. Cells are almost like tiny factories run by robots, with the nucleus, DNA, proteins, lipids, and vitamins and minerals all playing critical roles. George Zaidan and Charles Morton lay out the […]