Education

1648 Videos
Compression Ratio Explained – Roadkill Extra
31.66K
05:31

A brief history of goths – Dan Adams

View full lesson: http://ed.ted.com/lessons/a-brief-history-of-goths-dan-adams What do fans of atmospheric post-punk music have in common with ancient barbarians? Not much … so why are both known as “goths”? Is it a weird coincidence – or is there a deeper connection stretching across the centuries? Dan Adams investigates. Lesson by Dan Adams, animation by Globizco.
The amazing ways plants defend themselves – Valentin Hammoudi
14.69K
06:12

The amazing ways plants defend themselves – Valentin Hammoudi

Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-amazing-ways-plants-defend-themselves-valentin-hammoudi Plants are constantly under attack. They face threats ranging from microscopic fungi to small herbivores like caterpillars, up to large herbivores like elephants. But plants are ready, with a whole series of internal and external defenses that make them a less appealing meal — or […]
Are ghost ships real? – Peter B. Campbell
13.98K
05:01

Are ghost ships real? – Peter B. Campbell

View full lesson: http://ed.ted.com/lessons/are-ghost-ships-real-peter-b-campbell Please note: we are currently working on a fix for an error spotted in the video. The error relates to the behavior of the water filling the hole in the Mary Celeste’s hull. The water would reach equilibrium with the outside water level, not cease filling at the hole. We thank […]
The paradox of value – Akshita Agarwal
22.96K
03:46

The paradox of value – Akshita Agarwal

View full lesson: http://ed.ted.com/lessons/the-paradox-of-value-akshita-agarwal Imagine you’re on a game show and you can choose between two prizes: a diamond … or a bottle of water. It’s an easy choice – the diamonds are more valuable. But if given the same choice when you were dehydrated in the desert, after wandering for days, would you choose […]
How smudge-proof lipstick was invented | Moments of Vision 6 – Jessica Oreck
3.55K
02:06

How smudge-proof lipstick was invented | Moments of Vision 6 – Jessica Oreck

View full lesson: http://ed.ted.com/lessons/how-smudge-proof-lipstick-was-invented-moments-of-vision-6-jessica-oreck Today, lip cosmetics are a billion dollar industry, with 1 out of every 3 women claiming that they won’t leave home without applying lipstick. But how did it come to be so common? In the sixth installment of our ‘Moments of Vision’ series, Jessica Oreck shares the wartime origins of long-lasting […]
Compression Ratio Explained – Roadkill Extra
9.92K
04:54

How transistors work – Gokul J. Krishnan

View full lesson: http://ed.ted.com/lessons/how-transistors-work-gokul-j-krishnan Modern computers are revolutionizing our lives, performing tasks unimaginable only decades ago. This was made possible by a long series of innovations, but there’s one foundational invention that almost everything else relies upon: the transistor. Gokul J. Krishnan describes what a transistor is and how this small device enables all the […]
Compression Ratio Explained – Roadkill Extra
7.31K
01:45

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 Johnson & Johnson have made an astounding 100 billion Band-Aids since they were invented in 1920. But where did the idea come from? In the third installment of our ‘Moments of Vision’ series, Jessica Oreck shares the series of moments that inspired Earle Dickson to invent these […]
Compression Ratio Explained – Roadkill Extra
13.44K
03:53

Why is this painting so captivating? – James Earle and Christina Bozsik

View full lesson: https://ed.ted.com/lessons/why-is-this-painting-so-captivating-james-earle-and-christina-bozsik On first glance, the painting “Las Meninas” (“The Maids of Honor”) might not seem terribly special, but it’s actually one of the most analyzed pieces in the history of art. Why is this painting by Diego Velazquez so captivating? James Earle and Christina Bozsik share the context and complexity behind this […]
Compression Ratio Explained – Roadkill Extra
17.07K
04:10

The treadmill’s dark and twisted past – Conor Heffernan

View full lesson: http://ed.ted.com/lessons/the-treadmill-s-dark-and-twisted-past-conor-heffernan The constant thud underneath your feet. The constrained space. The monotony of going nowhere fast. Running on a treadmill can certainly feel like torture, but did you know it was originally used for that very purpose? Conor Heffernan details the dark and twisted history of the treadmill. Lesson by Conor Heffernan, […]
Compression Ratio Explained – Roadkill Extra
39.07K
04:56

How does anesthesia work? – Steven Zheng

View full lesson: http://ed.ted.com/lessons/how-does-anesthesia-work-steven-zheng When under anesthesia, you can’t move, form memories, or — hopefully — feel pain. And while it might just seem like you are asleep for that time, you actually aren’t. What’s going on? Steven Zheng explains what we know about the science behind anesthesia. Lesson by Steven Zheng, animation by Zedem […]