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TED-Ed

Tecnología

TED-Ed

TED-Ed

The art of metaphor - Jane Hirshfield

June 30, 2026 8:30pm 7 min

View full lesson on ed.ted.com http://ed.ted.com/lessons/jane-hirshfield-the-art-of-the-metaphorHow do metaphors help us better understand the world? And, what makes a good metaphor? Explore these questions with writers ...

Depicting the unseen attributes of gas - Brian Bennett

June 30, 2026 8:30pm 5 min

View full lesson: http://ed.ted.com/lessons/describing-the-invisible-properties-of-gas-brian-bennettHow do you explain the properties of something we can't see? See how scientists use scientific principles, such as gravi...

Who were Las Mariposas, and why were they murdered? - Lisa Krause

June 30, 2026 7:37pm 8 min

Get to know the story of the Mirabal sisters, who led a revolution against Rafael Trujillo’s dictatorship in the Dominican Republic. --For over 30 years, thousands of people were imprisoned, tortured, and murdered under ...

How to get better at singing | Think Like A Musician

June 30, 2026 7:30pm 7 min

Opera singer Denyce Graves-Montgomery shares how to find your voice, range, breath, and, ultimately, your truth.--"Think Like A Musician" connects you with working musicians who want to help the music-curious and music-p...

A puzzle of ice and fire dragons - Henri Picciotto

June 30, 2026 7:30pm 7 min

Practice more problem-solving at https://brilliant.org/TedEd--It’s your first day as Center Realm’s official cartographer, and you’ve already got a big problem. Center Realm is home to three elder dragons: two ice, one f...

How do you know you're not dreaming? - Daniel Gregory

June 30, 2026 6:30pm 6 min

Download a free audiobook and support TED-Ed's nonprofit mission: https://www.audible.com/ted-ed--Bizarre things happen in dreams: you fly, or conjure an all-you-can-eat buffet out of thin air, or get chased by witches t...

History vs. Russia's most notorious empress - Carolyn Harris

June 30, 2026 6:30pm 8 min

Catherine the Great presided over a golden age of Russian expansion — but was she a dedicated ruler or a ruthless oppressor?--Catherine the Great, Empress of Russia for over three decades, used strategic dalliances, mili...

The Basics of Gas: Avogadro, Boyle, Charles - Brian Bennett

June 30, 2026 5:30pm 4 min

View full lesson on ed.ted.com http://ed.ted.com/lessons/1207-1-a-bennet-brianh264How can bottles and balloons help explain the different laws that govern gas? See how Boyle's Law, Charles' Law, and Avogadro's Law help u...

What is chirality and how did it end up in my molecules? - Michael Evans

June 30, 2026 5:30pm 6 min

Improve your understanding of molecular properties with this lesson on the fascinating property of chirality. Your hands are the secret to understanding the strange similarity between two molecules that look almost exac...

What's the best way to raise people out of poverty?

June 30, 2026 4:30pm 7 min

Explore different poverty intervention and aid programs, and how direct cash giving can address a community's needs.--In 2018, a nonprofit gave every adult in the Ahenyo village $500. Most families had lived in extreme p...

Why do sinkholes consume entire houses and cities? - Elise Cutts

June 30, 2026 4:30pm 6 min

Explore the science of sinkholes, how they commonly form, and what human activities can also trigger them.--It was a rainy December morning in San Francisco when the Earth opened up. The ground suddenly fell away into a ...

Mysteries of vernacular: Zero - Jessica Oreck and Rachael Teel

June 30, 2026 3:37pm 3 min

View full lesson: http://ed.ted.com/lessons/mysteries-of-vernacular-zero-jessica-oreck-and-rachael-teelThough the first written number system can be dated back to 2500 years ago in Mesopotamia, a zero-like symbol did not...

The history behind your glasses - Eva Timothy

June 30, 2026 3:30pm 6 min

View full lesson: http://ed.ted.com/lessons/the-story-behind-your-glasses-eva-timothyWhat scientific thinkers and achievements have led to vast improvements in optics over the centuries? Discover the fascinating ways tha...

Newton's 3 Laws, via a bicycle - Joshua Manley

June 30, 2026 3:30pm 5 min

Watch full lesson here: http://ed.ted.com/lessons/joshua-manley-newton-s-3-laws-with-a-bicycleWhy would it be hard to pedal a 10,000 pound bicycle? This simple explanation shows how Newton's 3 laws of motion might help y...

The twisted story of DNA - Judith Hauck

June 30, 2026 2:30pm 6 min

View full lesson on ed.ted.com http://ed.ted.com/lessons/the-twisting-tale-of-dna-judith-hauckWhat do a man, a mushroom, and an elephant have in common? A very long and simple double helix molecule makes us more similar ...

What we're picking up from online education - Daphne Koller

June 30, 2026 2:30pm 25 min

Daphne Koller is enticing top universities to put their most intriguing courses online for free -- not just as a service, but as a way to research how people learn. With Coursera (cofounded by Andrew Ng), each keystroke,...

Japan's most renowned ghost story - Jeffrey Angles

June 30, 2026 12:30pm 7 min

Get to know the Japanese legend of Hōichi the earless, a monk summoned by a mysterious samurai to perform songs of past battles.--Long ago, a temple was built near the site of a naval battle that concluded the long and g...

How much electricity does it take to power the world?

June 30, 2026 11:37am 7 min

Discover how much electricity humanity uses, and how clean energy sources could help revolutionize our energy supply in the future. --All around the world, millions of people are flipping a switch, plugging in, and press...

Remarkable metals, how shape memory alloys work - Ainissa Ramirez

June 30, 2026 11:30am 6 min

View full lesson here: http://ed.ted.com/lessons/ainissa-ramirez-magical-metals-how-shape-memory-alloys-workFrom robots to braces to the Mars Rover, see how a special kind of metal called shape memory alloys advance tech...

How to become a skilled singer | Think Like A Musician

June 30, 2026 10:30am 12 min

Professional vocalists share how to give a great vocal performance by experimenting with styles, training, and taking care of your voice.--"Think Like A Musician" connects you with working musicians who want to help the ...

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