TED-Ed

Coding isn't just for computer whizzes, says Mitch Resnick of MIT Media Lab -- it's for everyone. In a fun, demo-filled talk Resnick outlines the benefits of teaching kids to code, so they can do more than just "read" new technologies -- but also create them. (Filmed at TEDxBeaconStreet.)

Talk by Mitch Resnick.

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Discover what caused the hole in the ozone layer, and how the Montreal Protocol helped restore it by banning harmful chemicals.

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In the 1980s, the world faced a huge problem: there was a rapidly expanding hole in the ozone layer. If it continued to grow, rates of skin cancer could skyrocket, photosynthesis would be impaired, agricultural production would plummet, and entire ecosystems would collapse. So, what happened? Stephanie Honchell Smith shares how decisive global cooperation helped restore the ozone layer.

Lesson by Stephanie Honchell Smith, directed by Denys Spolitak.

This video made possible in collaboration with Speed & Scale
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A special thanks to David Doniger who provided information and insights for the development of this video.

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View full lesson: https://ed.ted.com/lessons/whatever-happened-to-the-hole-in-the-ozone-layer-stephanie-honchell-smith
Dig deeper with additional resources: https://ed.ted.com/lessons/whatever-happened-to-the-hole-in-the-ozone-layer-stephanie-honchell-smith#digdeeper

Animator's website: https://vimeo.com/user50965180
Music: http://www.wonderboyaudio.com
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Thank you so much to our patrons for your support! Without you this video would not be possible! Anthony Benedict, Karthik Balsubramanian, Annastasshia Ames, Amy Lopez, Vinh-Thuy Nguyen, Liz Candee, Ugur Doga Sezgin, Karmi Nguyen, John C. Vesey, Yelena Baykova, Nick Johnson, Carlos H. Costa, Jennifer Kurkoski, Ryan B Harvey, Akinola Emmanuel, Jose Arcadio Valdes Franco, Sebastiaan Vleugels, Karl Laius, JY Kang, Abhishek Goel, Heidi Stolt, Nicole Sund, Karlee Finch, Mario Mejia, Denise A Pitts, Doug Henry, Keven Webb, Mihai Sandu, Deepak Iyer, Javid Gozalov, Kyanta Yap, Rebecca Reineke, William Biersdorf, Patricia Alves Panagides, Yvette Mocete, Cyrus Garay, Samuel Barbas, LadyGeek, Marin Kovachev, Penelope Misquitta, Hans Peng, Gaurav Mathur, Erik Biemans, Tony, Michelle, Katie and Josh Pedretti, Hoai Nam Tran, Kack-Kyun Kim, Michael Braun-Boghos, zjweele13, Anna-Pitschna Kunz and Edla Paniguel.

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Dig into geoengineering, which uses technology to manipulate Earth’s environments to counteract climate change.

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In 1815, Mount Tambora erupted and its emissions spread across the globe, blotting out the sun for almost an entire year. This wreaked havoc on agriculture, leading to famines all across the Northern hemisphere. It was the year without summer— one of the darkest periods in human history. So why are some modern researchers considering repeating it? David Biello digs into geoengineering.

Lesson by David Biello, directed by Léon Moh-Cah, Andi Concha, Na Na Na Studio.

This video made possible in collaboration with Speed & Scale
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View full lesson: https://ed.ted.com/lessons/the-year-without-summer-david-biello
Dig deeper with additional resources: https://ed.ted.com/lessons/the-year-without-summer-david-biello#digdeeper

Animator's website: http://nananastudio.com
Music: http://www.wonderboyaudio.com
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Thank you so much to our patrons for your support! Without you this video would not be possible! Doreen Reynolds-Consolati, Manognya Chakrapani, Ayala Ron, Eunsun Kim, Phyllis Dubrow, Ophelia Gibson Best, Paul Schneider, Joichiro Yamada, Henrique Cassús, Karthik Cherala, Clarence E. Harper Jr., Vignan Velivela, Ana Maria, Exal Enrique Cisneros Tuch, Tejas Dc, Khalifa Alhulail, Martin Stephen, Jose Henrique Leopoldo e Silva, Mandeep Singh, Abhijit Kiran Valluri, Morgan Williams, 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, Yansong Li, Cristóbal Moenne, Dawn Jordan, Prasanth Mathialagan, Samuel Doerle, David Rosario, Dominik Kugelmann - they-them, Siamak Hajizadeh, Ryohky Araya, Mayank Kaul, Christophe Dessalles and Heather Slater.

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View full lesson: http://ed.ted.com/lessons/pavlovian-reactions-aren-t-just-for-dogs-benjamin-n-witts

Dr. Ivan Pavlov's groundbreaking work revealed that a dog will respond to neutral stimuli, such as a bell, in the same way that it will respond to, say, mouth-watering food. This research is widely applicable beyond a dog's salivation. Benjamin N. Witts sketches a few situations in which people are conditioned to react in a Pavlovian way, from dating to parenting.

Lesson by Benjamin N. Witts, animation by AirFox Media.

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View full lesson: http://ed.ted.com/lessons/nature-s-smallest-factory-the-calvin-cycle-cathy-symington

Uploaded 01-04-14

A hearty bowl of cereal gives you the energy to start your day, but how exactly did that energy make its way into your bowl? It all begins with photosynthesis, the process that converts the air we breathe into energizing glucose. Cathy Symington details the highly efficient second phase of photosynthesis -- called the Calvin cycle -- which converts carbon dioxide into sugar with some clever mix-and-match math.

Lesson by Cathy Symington, animation by Flaming Medusa Studios Inc.



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From plant pollination to pest control, explore how bats contribute to ecosystems and the importance of protecting bats to reduce the risk of transmitting disease.

Uploaded 16-12-14

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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, animation by TED-Ed.

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View full lesson: http://ed.ted.com/lessons/i-m-batman-amy-wray



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View full lesson: http://ed.ted.com/lessons/what-was-the-point-of-the-space-race-jeff-steers

Uploaded 14-08-13

On October 4, 1957, the Soviet Union launched the satellite Sputnik and, with it, an international space race. The United States and the Soviet Union rushed to declare dominance of space for 18 years, until the two countries agreed to a more collaborative model. The real winner? Science. Jeff Steers describes the history -- and the benefits -- of the space race.

Lesson by Jeff Steers, animation by The Moving Company Animation Studio.



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Do nonhuman animals experience grief? Explore mourning in the animal kingdom to find out the answer to this tricky question.

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In 2018, an orca called Tahlequah gave birth. But her daughter died within an hour. Tahlequah, however, didn’t leave her body. Over the next 17 days and 1,600 kilometers, she kept it afloat atop her own. By altering her feeding and travel patterns, Tahlequah’s behavior was certainly unusual. But was she mourning— or just confused? Barbara J. King explores whether nonhuman animals experience grief.

Lesson by Barbara J. King, directed by Denis Chapon, The Animation Workshop.

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View full lesson: https://ed.ted.com/lessons/do-animals-feel-grief-barbara-j-king
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Animator's website: http://denischapon.com & https://animationworkshop.via.dk
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! Nick Johnson, Carlos H. Costa, Jennifer Kurkoski, Ryan B Harvey, Akinola Emmanuel, Jose Arcadio Valdes Franco, Sebastiaan Vleugels, Karl Laius, JY Kang, Abhishek Goel, Heidi Stolt, Nicole Sund, Karlee Finch, Mario Mejia, Denise A Pitts, Doug Henry, Keven Webb, Mihai Sandu, Deepak Iyer, Javid Gozalov, Kyanta Yap, Rebecca Reineke, William Biersdorf, Patricia Alves Panagides, Yvette Mocete, Cyrus Garay, Samuel Barbas, LadyGeek, Marin Kovachev, Penelope Misquitta, Hans Peng, Gaurav Mathur, Erik Biemans, Tony, Michelle, Katie and Josh Pedretti, Hoai Nam Tran, Kack-Kyun Kim, Michael Braun-Boghos, zjweele13, Anna-Pitschna Kunz, Edla Paniguel, Thomas Mungavan, Jaron Blackburn, Venkat Venkatakrishnan, ReuniteKorea, Aaron Henson, Rohan Gupta, Begum Tutuncu, Brian Richards, Jørgen Østerpart and Tyron Jung.

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Explore the prevailing scientific theory of why crooked teeth and impacted wisdom teeth are recent developments in human evolution.

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According to the fossil record, ancient humans usually had straight teeth, complete with wisdom teeth. In fact, the dental dilemmas that fuel the demand for braces and wisdom teeth extractions today appear to be recent developments. So, what happened? While it’s nearly impossible to know for sure, scientists have a hypothesis. G. Richard Scott shares the prevailing theory on crooked teeth.

Lesson by G. Richard Scott, directed by Igor Coric, Artrake Studio.

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View full lesson: https://ed.ted.com/lessons/why-do-we-have-crooked-teeth-when-our-ancestors-didn-t-g-richard-scott
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Animator's website: https://www.artrake.com
Music: https://www.campstudio.co
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Thank you so much to our patrons for your support! Without you this video would not be possible! 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, 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 and Ujjwal Dasu.

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