View full lesson: http://ed.ted.com/lessons/how-art-gives-shape-to-cultural-change-thelma-golden

Thelma Golden, curator at the Studio Museum in Harlem, talks through three recent shows that explore how art examines and redefines culture. The "post-black" artists she works with are using their art to provoke a new dialogue about race and culture -- and about the meaning of art itself.

Talk by Thelma Golden.

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View full lesson: http://ed.ted.com/lessons/could-a-saturn-moon-harbor-life-carolyn-porco

Carolyn Porco shares exciting new findings from the Cassini spacecraft's recent sweep of one of Saturn's moons, Enceladus. Samples gathered from the moon's icy geysers hint that an ocean under its surface could harbor life.

Talk by Carolyn Porco.

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Explore the evolution of English spelling conventions throughout history, and find out why it's such an inconsistent language.

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Spelling reformers have been advocating for changes to make English spelling more intuitive and less irregular. One example of its messiness: take the “g-h” sound from “enough,” the “o” sound from “women” and the “t-i” sound from “action,” and you could argue that “g-h-o-t-i” spells “fish.” So, how did English get like this? Arika Okrent explores the complexity of English spelling conventions.

Lesson by Arika Okrent, directed by Emily Howells, Aaron Brady.

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View full lesson: https://ed.ted.com/lessons/why-don-t-tough-and-dough-rhyme-arika-okrent
Dig deeper with additional resources: https://ed.ted.com/lessons/why-don-t-tough-and-dough-rhyme-arika-okrent/digdeeper

Animator's website: https://www.emilyhowells.com and https://aaronbrady.uk
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Dig into the tragic tale of Oedipus, who unknowingly fulfills a prophecy that he would kill his father and marry his mother.

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When Queen Jocasta of Thebes gave birth to Oedipus, a grim air seized the occasion. Her husband, King Laius, had received a prophecy from Apollo's oracle foretelling that he would die at the hands of his own son. Determined to escape this fate, Laius abandoned the newborn on Mount Cithaeron. But divine prophecies can be quite stubborn. Stephen Esposito shares the tragic Greek tale of Oedipus.

Lesson by Stephen Esposito, directed by Yael Reisfeld.

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View full lesson: https://ed.ted.com/lessons/what-really-happened-to-oedipus-stephen-esposito
Dig deeper with additional resources: https://ed.ted.com/lessons/what-really-happened-to-oedipus-stephen-esposito/digdeeper

Animator's website: https://www.yaelreisfeld.com
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Get to know the story of Shajar Al-Durr, who was born enslaved and rose to become the ruler of Egypt.

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The year is 1249 CE. King Louis IX is sailing the Nile, threatening to overthrow the sultan and capture Egypt. Egypt’s commanders ask the sultan’s wife, Shajar Al-Durr, to report this news to the injured sultan. But they don’t know the truth: the sultan is dead, and she is secretly ruling in his stead. Who was this impressive woman? Abdallah Ewis details the reign of the Sultana of Egypt.

Lesson by Abdallah Ewis, directed by Elahe Baloochi.

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View full lesson: https://ed.ted.com/lessons/the-forgotten-queen-of-egypt-abdallah-ewis
Dig deeper with additional resources: https://ed.ted.com/lessons/the-forgotten-queen-of-egypt-abdallah-ewis#digdeeper
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Thank you so much to our patrons for your support! Without you this video would not be possible! John Hellmann, Poompak Meephian, Chuck Wofford, Daniel Erickson, frank goto, Jayson Hauschild, J D Wallace, Marq Short, Chen Jun Xiang, Adam Pagan, Paul Schultz, Behzad Farhanieh, Anders Sørheim, Wes Winn, Conder Shou, BrushReads, Matt Kennedy, Jonah Dobbs, ntiger, Noname, Hansan Hu, Cameron Burkle, Dhanwanth Varadhan, David D, Zuko Gameplays, Jonathan Bates JBZ, Aria Smith, Mac Hyney, Keith Ellison, robin valero walters, Camehira, Lynne Truesdale, Gatsby Dkdc, Matthew Neal, Jayson Gasper Ayson, Maxwell Ramsby, Dmitry Yuryev, Denis Chon, Julian Oberhofer, Monte Carroll, Eddy, Jay M, Constantino Victor Delgado, Andrea Galvagni, Andrew Tweddle, Laurel-Ann Rice, Fernando A. Endo, Helen Lee, pam morgan and sarim haq.

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View full lesson: http://ed.ted.com/lessons/the-danger-of-science-denial-michael-specter

Vaccine-autism claims, "Frankenfood" bans, the herbal cure craze: All point to the public's growing fear (and, often, outright denial) of science and reason, says Michael Specter. He warns the trend spells disaster for human progress.

Talk by Michael Specter.

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View full lesson: http://ed.ted.com/lessons/the-business-logic-of-sustainability-ray-anderson

At his carpet company, Ray Anderson has increased sales and doubled profits while turning the traditional "take / make / waste" industrial system on its head. In a gentle, understated way, he shares a powerful vision for sustainable commerce.

Talk by Ray Anderson.

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Trace the history of Chinese characters, and find out how this writing system has changed and evolved over thousands of years.

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According to legend, in the 27th century BCE, the Yellow Emperor of China charged his historian, Cangjie, to develop a system of writing. Sitting alongside a riverbank, Cangjie noted the imagery that surrounded him. From this, he created the first Chinese characters. So, how has Chinese evolved in the last 3,000 years? Gina Marie Elia explores the history of one of the earliest written languages.

Lesson by Gina Marie Elia, directed by PeiHsin Cho.

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View full lesson: https://ed.ted.com/lessons/the-secret-behind-how-chinese-characters-work-gina-marie-elia
Dig deeper with additional resources: https://ed.ted.com/lessons/the-secret-behind-how-chinese-characters-work-gina-marie-elia/digdeeper

Animator's website: https://www.peihsincho.com
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Thank you so much to our patrons for your support! Without you this video would not be possible! 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, Tyron Jung, Carsten Tobehn, Katie Dean, Ezgi Yersu, Gerald Onyango and alessandra tasso.

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Dig into the science of how heat pumps both heat and cool a home, and find out the benefits and drawbacks of this technology.

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Typically, with any piece of technology, you pump one unit of energy in and you get about one out. That’s just the first law of thermodynamics: energy has to be conserved. But there’s a piece of technology called a heat pump, where for every bit of energy you put in, you get three to five times as much heat out. What wizardry is this? Anna Rothschild investigates the science of heat pumps.

Lesson by Anna Rothschild, directed by Kevin Herrmann, AIM Creative Studios.

This video made possible in collaboration with Speed & Scale
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View full lesson: https://ed.ted.com/lessons/the-tech-that-seems-to-break-the-laws-of-physics-anna-rothschild
Dig deeper with additional resources: https://ed.ted.com/lessons/the-tech-that-seems-to-break-the-laws-of-physics-anna-rothschild/digdeeper

Animator's website: https://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! 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, Talia Sari, Katie McDowell, Allen, Mahina Knuckles, Charmaine Hanson, Thawsitt, Jezabel, Abdullah Abdulaziz, Xiao Yu, Melissa Suarez, Brian A. Dunn, Francisco Amaya, Daisuke Goto, Matt Switzler, Peng, Tzu-Hsiang, Bethany Connor, Jeremy Shimanek, Mark Byers, Avinash Amarnath, Xuebicoco, Rayo, Po Foon Kwong, Boffin, Jesse Jurman, Scott Markley, Elija Peterson, Ovidiu Mrd, paul g mohney, Steven Razey, Nathan Giusti and Helen Lee.

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View full lesson: http://ed.ted.com/lessons/a-new-ecosystem-for-electric-cars-shai-agassi

Forget about the hybrid auto -- Shai Agassi says it's electric cars or bust if we want to impact emissions. His company, Better Place, has a radical plan to take entire countries oil-free by 2020.

Talk by Shai Agassi.

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