TED-Ed

Explore how marine creatures survive the frigid waters of Antarctica, and what traits allow them to live in such conditions.

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The vast, white surface of Antarctica stretches for over 3 million square kilometers. On the coast of this expanse, just a few meters beneath the ice, lies a remarkably diverse realm that is home to over 8,000 species of sea denizens who rely on an arsenal of otherworldly traits to survive. So how do these species not only live, but thrive, in such harsh conditions? Nadia Frontier investigates.

Lesson by Nadia Frontier, directed by Sharon Colman.

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View full lesson: https://ed.ted.com/lessons/surviving-the-coldest-place-on-earth-nadia-frontier
Dig deeper with additional resources: https://ed.ted.com/lessons/surviving-the-coldest-place-on-earth-nadia-frontier#digdeeper

Animator's website: https://www.youtube.com/@sharoncolman
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Uncover the history of the witch hunts that swept through Europe and the American colonies from the 15th century until the 18th century.

Uploaded 11-06-19

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In the German town of Nördlingen in 1593, innkeeper Maria Höll found herself accused of witchcraft. She was arrested for questioning, and denied the charges. She insisted she wasn’t a witch through 62 rounds of torture before her accusers finally released her. Other accused witches weren’t so “lucky." Why did these witch hunts occur? Brian A. Pavlac digs into this horrific chapter in human history.

Lesson by Brian A. Pavlac, directed by Lisa LaBracio.

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View full lesson: https://ed.ted.com/lessons/ugly-history-witch-hunts-brian-a-pavlac

Thank you so much to our patrons for your support! Without you this video would not be possible! Scott Gass, Ruth Fang, Mayank Kaul, Kathryn J Hammond, Max Shuai Tang, Terry Minion, Sami Khan, Rob Johnson, Abdullah Abdulaziz, Angelo Urzua-Milla, Tommy Lewis, leorene , Mahina Bachiller, Marcus Andre Nery, Bruce Vieira Lopes, Chef, Charmaine Hanson, Michael Goldberg, Lydia Pflieger, Paul Aldred-Bann, Manav parmar, Susan Wang, Utkarsh Dubey, Thawsitt, Xuebicoco, Jezabel, Maeve, Kim Humphrey, Kristen Damas, JackKeyton, Matthew D. Vigil, Amin Shahril, Adriano Fontes, Xiao Yu, Fatima Kried, Aravind Battaje, Melissa Suarez, Jason Duncan, Brian A. Dunn, Francisco Amaya, Daisuke Goto, Matt Switzler, Chhunheng Veng, Leonardo Monrroy, Sumedh Ghaisas, Guhten, Amer Harb, Dowey Baothman and Norbert Orgován.



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View full lesson: http://ed.ted.com/lessons/myths-and-misconceptions-about-evolution-alex-gendler

Uploaded 08-07-13

How does evolution really work? Actually, not how some of our common evolutionary metaphors would have us believe. For instance, it's species, not individual organisms, that adapt to produce evolution, and genes don't "want" to be passed on -- a gene can't want anything at all! Alex Gendler sets the record straight on the finer points of evolution.

Lesson by Alex Gendler, animation by Giant Animation Studios.



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View full lesson: http://ed.ted.com/lessons/mysteries-of-vernacular-noise-jessica-oreck

The words noise, nausea, and naval all stem from the same Latin root. Jessica Oreck divulges how their spellings and meanings diverged from the original naus.

Lesson and animation by Jessica Oreck.

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View full lesson: http://ed.ted.com/lessons/how-do-germs-spread-and-why-do-they-make-us-sick-yannay-khaikin-and-nicole-mideo

Uploaded 21-10-14

Germs are found on almost every surface we come in contact with, which makes it incredibly common for our bodies to be exposed to them. But why are some of these germs relatively harmless, while others can be fatal? Yannay Khaikan and Nicole Mideo explore this question by examining germs’ varying modes of transmission.

Lesson by Yannay Khaikin and Nicole Mideo, animation by Ace and Son Moving Picture Co., LLC.



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View full lesson: http://ed.ted.com/lessons/comma-story-terisa-folaron

Uploaded 09-07-13

It isn't easy holding complex sentences together (just ask a conjunction or a subordinate), but the clever little comma can help lighten the load. But how to tell when help is really needed? Terisa Folaron offers some tricks of the comma trade.

Lesson by Terisa Folaron, animation by Brett Underhill.



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Dig into how African clawed frogs can help detect human pregnancy, and how their use in experiments had unintended consequences.

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In the early 20th century, pregnancy testing required a slippery piece of equipment: a female African clawed frog. For decades, hospitals and research labs had a trusted supply of these handy creatures, employing their help in testing for pregnancy and in numerous other scientific endeavors. So what makes these frogs so special? Carly Anne York shares the secrets of these remarkable amphibians.

Lesson by Carly Anne York, directed by Yajun Shi.

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View full lesson: https://ed.ted.com/lessons/want-to-know-if-you-re-pregnant-use-this-frog-carly-anne-york
Dig deeper with additional resources: https://ed.ted.com/lessons/want-to-know-if-you-re-pregnant-use-this-frog-carly-anne-york#digdeeper

Animator's website: https://www.yajunshiportfolio.com
Music: https://www.workplaywork.com
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Thank you so much to our patrons for your support! Without you this video would not be possible! Mi Mi, Thomas Rothert, Brian Elieson, Oge O, Weronika Falkowska, Nevin Spoljaric, Sid Chanpuriya, Anoop Varghese, David Yastremski, Noah Webb, Roberto Chena, Oliver Koo, Luke Pisano, Andrea Gordon, Aleksandar Donev, Nicole Klau Ibarra, Jesse Lira, Ezekiel Raui, Petr Vacek, Dennis, Olivia Fu, Kari Teffeau, Cindy Lai, Rajath Durgada Manjunath, Dan Nguyen, Chin Beng Tan, Tom Boman, Karen Warner, Iryna Panasiuk, Aaron Torres, Eric Braun, Sonja Worzewski, Michael Clement, Adam Berry, Ghaith Tarawneh, Nathan Milford, Tomas Beckett, Alice Ice, Eric Berman, Kurt Paolo Sevillano, Jennifer Heald, Megulo Abebe, isolwi, Kate Sem, Ujjwal Dasu, Angel Alberici, Minh Quan Dinh, Sylvain, Terran Gimpel and Talia Sari.

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Explore the history of the notorious United Fruit Company and how its influence over the banana industry impacted Central America.

Uploaded 02-11-20

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In December 1910, the exiled former leader Manuel Bonilla boarded a borrowed yacht and set sail for Honduras in hopes of reclaiming power by whatever means necessary. Bonilla had a powerful backer: the notorious organization known throughout Latin America as “El Pulpo.” It was a U.S. corporation trafficking in, of all things, bananas. John Soluri investigates the United Fruit Company.

Lesson by John Soluri, directed by Sofia Pashaei.

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View full lesson: https://ed.ted.com/lessons/the-dark-history-of-bananas-john-soluri
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Animator's website: https://www.sofiapashaei.com/
Sound design: http://aimcreativestudios.com/
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Follow the chilling Japanese tale of Oiwa, a ghost seeking revenge after her husband poisoned her and killed her father.

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Oiwa’s only hope for ending her marriage to the cruel and dishonorable samurai, Iemon, was her father. But after he tried to end the union, Iemon murdered him in cold blood. With plans to marry another, Iemon conspired to poison his wife and left her for dead. But unfortunately for Iemon, it wouldn’t be the last of Oiwa. Kit Brooks shares the chilling tale of Oiwa’s ghostly revenge.

Lesson by Kit Brooks, directed by Adriana Monteforte Lahera.

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View full lesson: https://ed.ted.com/lessons/japan-s-scariest-ghost-story-kit-brooks
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Animator's website: https://adrianamonteforte.myportfolio.com
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Thank you so much to our patrons for your support! Without you this video would not be possible! Jay M, Constantino Victor Delgado, Andrea Galvagni, Andrew Tweddle, Laurel-Ann Rice, Fernando A. Endo, Helen Lee, pam morgan, sarim haq, Gerardo Castro, Michel-Ange Hortegat, Enes Kirimi, Amaury BISIAUX, ND, Samyogita Hardikar, Vanessa Graulich, Vandana Gunwani, Abdulmohsin Almadi, AJ Lyon, Geoffrey Bultitude, Mi Mi, Thomas Rothert, Brian Elieson, Oge O, Weronika Falkowska, Nevin Spoljaric, Sid Chanpuriya, Anoop Varghese, David Yastremski, Noah Webb, Roberto Chena, Oliver Koo, Luke Pisano, Andrea Gordon, Aleksandar Donev, Nicole Klau Ibarra, Jesse Lira, Ezekiel Raui, Petr Vacek, Dennis, Olivia Fu, Kari Teffeau, Cindy Lai, Rajath Durgada Manjunath, Dan Nguyen, Chin Beng Tan, Tom Boman, Karen Warner, Iryna Panasiuk and Aaron Torres.

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View full lesson: http://ed.ted.com/lessons/building-a-dinosaur-from-a-chicken-jack-horner

Renowned paleontologist Jack Horner has spent his career trying to reconstruct a dinosaur. He's found fossils with extraordinarily well-preserved blood vessels and soft tissues, but never intact DNA. So, in a new approach, he's taking living descendants of the dinosaur (chickens) and genetically engineering them to reactivate ancestral traits — including teeth, tails, and even hands — to make a "Chickenosaurus".

Talk by Jack Horner.

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