TED-Ed

Discover what it took to build the Panama Canal, and how this colossal construction project changed the region.

Uploaded 27-04-21

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In the 19th century, the California gold rush brought thousands of settlers to America's west coast. But finding gold may have been easier than transporting it back east. The only hope for avoiding a grueling six month wagon journey was to travel the narrowest portion of the continent — the 48-kilometer Isthmus of Panama. Alex Gendler details the creation of the Panama Canal.

Lesson by Alex Gendler, directed by Cabong Studios.

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View full lesson: https://ed.ted.com/lessons/demolition-disease-and-death-building-the-panama-canal-alex-gendler
Dig deeper with additional resources: https://ed.ted.com/lessons/demolition-disease-and-death-building-the-panama-canal-alex-gendler#digdeeper

Animator's website: https://www.cabongstudios.com.br/
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Practice more problem-solving at https://brilliant.org/TedEd/
Solution to the bonus riddle mentioned at the end: https://brilliant.org/tededprobabilitypairs/

Uploaded 08-05-18

Mining unobtainium is hard work – the rare mineral appears in only 1% of rocks in the mine. But your friend Tricky Joe has something up his sleeve. The unobtainium detector he’s been perfecting for months is finally ready, and it returns accurate readings 90% of the time. But can it really be trusted? Alex Gendler explains the false positive paradox.

Lesson by Alex Gendler, animation by Artrake Studio.

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The public is losing faith in democracy, says British MP Rory Stewart. Iraq and Afghanistan's new democracies are deeply corrupt; meanwhile, 84 percent of people in Britain say politics is broken. In this important talk, Stewart sounds a call to action to rebuild democracy, starting with recognizing why democracy is important -- not as a tool, but as an ideal.

Talk by Rory Stewart.

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Discover the shortcomings of using GDP to measure a country’s well-being, and what alternatives can be used to gauge quality of life.

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What’s the best country to live in? Is it the one with the best food? The longest life expectancy? The best weather? For the past 70 years, most governments have relied heavily on a single number: the Gross Domestic Product, or GDP. But it was never intended for its current purpose; and some argue that we are addicted to making it grow. Explore the different ways countries measure quality of life.

Directed by Xenia Galchin, AIM Creative Studios.

This video made possible in collaboration with World Economic Forum
Learn more about how TED-Ed partnerships work: https://bit.ly/TEDEdPartners

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Animator's website: http://aimcreativestudios.com
Music: https://soundcloud.com/aim-music
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Thank you so much to our patrons for your support! Without you this video would not be possible! Phyllis Dubrow, Ophelia Gibson Best, Paul Schneider, Joichiro Yamada, Henrique Cassús, Lyn-z Schulte, Karthik Cherala, Clarence E. Harper Jr., Vignan Velivela, Ana Maria, Exal Enrique Cisneros Tuch, Tejas Dc, Khalifa Alhulail, Martin Stephen, Dan Paterniti, Jose Henrique Leopoldo e Silva, Elnathan Joshua Bangayan, Jayant Sahewal, Mandeep Singh, Abhijit Kiran Valluri, Morgan Williams, Kris Siverhus, Devin Harris, Pavel Zalevskiy, Karen Goepen-Wee, Filip Dabrowski, Barbara Smalley, Megan Douglas, Tim Leistikow, Ka-Hei Law, Hiroshi Uchiyama, Mark Morris, Misaki Sato, EdoKun, SookKwan Loong, Bev Millar, Lex Azevedo, Michael Aquilina, Jason A Saslow, Dawn Jordan, Prasanth Mathialagan, Samuel Doerle, David Rosario, Dominik Kugelmann - they-them, Siamak H, Ryohky Araya, Mayank Kaul, Christophe Dessalles, Heather Slater and Sandra Tersluisen.

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Discover how chemotherapy drugs use cytotoxic agents to attack cancer cells and the impact they have on your body.

Uploaded 05-12-19

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During World War I, scientists were trying to develop an antidote to the poisonous yellow cloud known as mustard gas. They discovered the gas was irrevocably damaging the bone marrow of affected soldiers. This gave the scientists an idea: cancer cells and bone marrow both replicate rapidly. Could mustard gas be used to fight cancer? Hyunsoo No details the discovery and development of chemotherapy.

Lesson by Hyunsoo Joshua No, directed by Artrake Studio.

Animator's website: https://www.artrake.com
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View full lesson: https://ed.ted.com/lessons/how-does-chemotherapy-work-hyunsoo-joshua-no

Thank you so much to our patrons for your support! Without you this video would not be possible! Jun Cai, Tim Robinson, Henrique 'Sorín' Cassús, cnorahs , Lyn-z Schulte, Elaine Fitzpatrick, Karthik Cherala, Clarence E. Harper Jr., Milad Mostafavi, Аркадий Скайуокер, Kiara Taylor, Louisa Lee, eden sher, Vignan Velivela, Sage Curie, Srikote Naewchampa, Tejas Dc, Khalifa Alhulail, Faiza Imtiaz, Martin Stephen, Jerome Froelich, Dan Paterniti, Jose Henrique Leopoldo e Silva, Mullaiarasu Sundaramurthy, Elnathan Joshua Bangayan, Caleb ross, Duo Xu, Quinn Shen, Marvin Vizuett, Sid , Marylise CHAUFFETON, Karen Goepen-Wee, Sama aafghani, Mandeep Singh, Abhijit Kiran Valluri, Morgan Williams, Kris Siverhus, Jason Weinstein, Tony Trapuzzano, Devin Harris, Brandy Jones, Shawn Quichocho, Gi Nam Lee, Joy Love Om, Miloš Stevanović, Ghassan Alhazzaa, Yankai Liu, Pavel Zalevskiy, Claudia Mayfield and Stephanie Perozo.



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What is turbulence and why does it happen? Explore the phenomenon that has perplexed physicists for over a century.

Uploaded 15-04-19

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You’re on an airplane when you feel a sudden jolt. Outside your window nothing seems to be happening, yet the plane continues to rattle you and your fellow passengers as it passes through turbulent air in the atmosphere. What exactly is turbulence, and why does it happen? Tomás Chor dives into one of the prevailing mysteries of physics: the complex phenomenon of turbulence.

Lesson by Tomás Chor, directed by Biljana Labovic.
Animated by Hippolyte Cupillard, http://www.studiotabassco.com

1:46 - Original footage by Think Twice: https://www.youtube.com/watch?v=d0Z8wLLPNE0&t=2s
2:17 - Original footage by 3Blue1Brown: https://www.youtube.com/watch?v=_UoTTq651dE
4:14 - Original footage by VERIFI: https://www.youtube.com/watch?v=1o3PpYvZVa8&t=2s
4:23 - Original footage by UWSSEC: https://www.youtube.com/watch?v=uLkghfvE0Rk

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View full lesson: https://ed.ted.com/lessons/turbulence-one-of-the-great-unsolved-mysteries-of-physics-tomas-chor

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View full lesson: http://ed.ted.com/lessons/what-s-wrong-with-our-food-system-birke-baehr

Uploaded 16-08-13

11-year-old Birke Baehr presents his take on a major source of our food -- far-away and less-than-picturesque industrial farms. Keeping farms out of sight promotes a rosy, unreal picture of big-box agriculture, he argues, as he outlines the case to green and localize food production. (Filmed atTEDxNextGenerationAshevillen.)

Talk by Birke Baehr.



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Explore the challenges facing amphibious fish when they leave water and the ingenious ways they survive on land.

Uploaded 31-08-20

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We think of fish as completely aquatic animals. But there are actually hundreds of fish species that are amphibious, meaning that they possess adaptations that enable them to survive on land. Once on land, however, they face suffocation, drying up, and being hunted by land predators. So why do fish make the exodus from water to land? Noah R. Bressman explores the ingenious ways these fish survive.

Lesson by Noah R. Bressman, directed by Anna Benner.

Animator's website: https://annabennerstudio.com/
Sound designer's website: http://www.tschernuth.com/
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View full lesson: https://ed.ted.com/lessons/the-fish-that-walk-on-land-noah-r-bressman

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Trace the diverse and delicious history of dumplings, from their first recorded origins to their spread across the Asian continent and beyond.

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As archaeologists pored over ancient tombs in western China, they discovered some surprisingly well-preserved and familiar relics. Though hardened over 1,000 years, there sat little crescent-shaped dumplings. So who invented these plump pockets of perfection, and how did they spread across the world? Miranda Brown traces the tangled, mysterious historical web of dumplings.

Lesson by Miranda Brown, directed by Léon Moh-Cah, Andi Concha.

This video made possible in collaboration with Marriott Hotels
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View full lesson: https://ed.ted.com/lessons/a-brief-history-of-dumplings-miranda-brown
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Animator's website: https://nananastudio.com
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The adventure continues! Episode 4: The trio plot how they can steal the first artifact— the Node of Power. Can they take it without being discovered?

Uploaded 09-12-19

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This is episode 4 of our animated series “Think Like A Coder.” This 10-episode narrative follows a girl, Ethic, and her robot companion, Hedge, as they attempt to save the world. The two embark on a quest to collect three artifacts and must solve their way through a series of programming puzzles.

Lesson by Alex Rosenthal, directed by Kozmonot Animation Studio.

Supported by Endless: https://endlessnetwork.com

A special thank you to the programmers who assisted in the development of this series: Eric Wastl, Sara Kladky, Ryan Harvey, Dan Bernier, Eden Girma, Matt Gruskin, and James Griffith.

And thanks to Eric Wastl, whose puzzle from the 2015 Advent of Code inspired the challenge in this episode. http://bit.ly/AdventOfCode1

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View full lesson: https://ed.ted.com/lessons/the-train-heist-think-like-a-coder-ep-4

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