TED-Ed

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What is an aurora? - Michael Molina

5 min · 5 jun 2026
aflevering What is an aurora? - Michael Molina artwork

Beschrijving

Explore the science behind what causes the incredible light and color of the Aurora Borealis and Aurora Australis. -- Why do we see those stunning lights in the northern- and southernmost portions of the night sky? The Aurora Borealis and Aurora Australis occur when high-energy particles are flung from the Sun's corona toward the Earth and mingle with the neutral atoms in our atmosphere -- ultimately emitting extraordinary light and color. Michael Molina explains every step of this dazzling phenomenon. Lesson by Michael Molina, animation by Franco Barroeta. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon [http://bit.ly/TEDEdPatreon] Check out our merch: http://bit.ly/TEDEDShop [http://bit.ly/TEDEDShop] ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter [http://bit.ly/TEDEdNewsletter] Follow us on Facebook: http://bit.ly/TEDEdFacebook [http://bit.ly/TEDEdFacebook] Find us on Twitter: http://bit.ly/TEDEdTwitter [http://bit.ly/TEDEdTwitter] Peep us on Instagram: http://bit.ly/TEDEdInstagram [http://bit.ly/TEDEdInstagram] ---------------------------------------------- Keep Learning ---------------------------------------------- View full lesson: http://ed.ted.com/lessons/how-epic-solar-winds-make-brilliant-polar-lights-michael-molina [http://ed.ted.com/lessons/how-epic-solar-winds-make-brilliant-polar-lights-michael-molina] Dig deeper with additional resources: https://ed.ted.com/lessons/how-epic-solar-winds-make-brilliant-polar-lights-michael-molina/digdeeper [https://ed.ted.com/lessons/how-epic-solar-winds-make-brilliant-polar-lights-michael-molina/digdeeper] ---------------------------------------------- Learn more about your ad choices. Visit megaphone.fm/adchoices [https://megaphone.fm/adchoices]

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aflevering Why was the Rosetta Stone so vital? - Franziska Naether artwork

Why was the Rosetta Stone so vital? - Franziska Naether

Dig into how scholars decoded the writing on the Rosetta Stone, and how this helped them understand ancient hieroglyphs. -- For centuries, scholars puzzled over the hieroglyphs they found carved onto ancient Egyptian ruins, tablets, and papyri. But in 1799, a unique discovery would finally help unlock their meaning. It was a stone inscribed with three different texts: Egyptian Hieroglyphs, Demotic Egyptian, and Ancient Greek. Franziska Naether shares how scholars decoded the ancient message of the Rosetta Stone. Lesson by Franziska Naether, directed by Tim Rauch. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon [http://bit.ly/TEDEdPatreon] Check out our merch: http://bit.ly/TEDEDShop [http://bit.ly/TEDEDShop] ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter [http://bit.ly/TEDEdNewsletter] Follow us on Facebook: http://bit.ly/TEDEdFacebook [http://bit.ly/TEDEdFacebook] Find us on Twitter: http://bit.ly/TEDEdTwitter [http://bit.ly/TEDEdTwitter] Peep us on Instagram: http://bit.ly/TEDEdInstagram [http://bit.ly/TEDEdInstagram] ---------------------------------------------- Keep Learning ---------------------------------------------- View full lesson: https://ed.ted.com/lessons/why-was-the-rosetta-stone-so-important-franziska-naether [https://ed.ted.com/lessons/why-was-the-rosetta-stone-so-important-franziska-naether] Dig deeper with additional resources: https://ed.ted.com/lessons/why-was-the-rosetta-stone-so-important-franziska-naether/digdeeper [https://ed.ted.com/lessons/why-was-the-rosetta-stone-so-important-franziska-naether/digdeeper] Animator's website: https://www.instagram.com/tim_rauch [https://www.instagram.com/tim_rauch] ---------------------------------------------- Thank you so much to our patrons for your support! Without you this video would not be possible! 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, alessandra tasso, 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 and Filip Dabrowski. Learn more about your ad choices. Visit megaphone.fm/adchoices [https://megaphone.fm/adchoices]

8 jun 20267 min
aflevering What triggers addiction, and why is it so difficult to treat? - Judy Grisel artwork

What triggers addiction, and why is it so difficult to treat? - Judy Grisel

Take a look at the science of how addictive drugs affect your body and why substance addiction can be so difficult to treat. -- As of 2021, more than 36 million people were estimated to be experiencing substance use disorder. This condition spans a spectrum of patterned drug use that causes issues in a person’s life, with substance addiction at the more severe end. Why are some people more susceptible to addiction, and why can it be so difficult to treat? Judy Grisel takes a look at how addictive drugs affect the body. Lesson by Judy Grisel, directed by Gabriella Marsh. Support Our Non-Profit Mission ---------------------------------------------- Support us on Patreon: http://bit.ly/TEDEdPatreon [http://bit.ly/TEDEdPatreon] Check out our merch: http://bit.ly/TEDEDShop [http://bit.ly/TEDEDShop] ---------------------------------------------- Connect With Us ---------------------------------------------- Sign up for our newsletter: http://bit.ly/TEDEdNewsletter [http://bit.ly/TEDEdNewsletter] Follow us on Facebook: http://bit.ly/TEDEdFacebook [http://bit.ly/TEDEdFacebook] Find us on Twitter: http://bit.ly/TEDEdTwitter [http://bit.ly/TEDEdTwitter] Peep us on Instagram: http://bit.ly/TEDEdInstagram [http://bit.ly/TEDEdInstagram] ---------------------------------------------- Keep Learning ---------------------------------------------- View full lesson: https://ed.ted.com/lessons/what-causes-addiction-and-why-is-it-so-hard-to-treat-judy-grisel [https://ed.ted.com/lessons/what-causes-addiction-and-why-is-it-so-hard-to-treat-judy-grisel] Dig deeper with additional resources: https://ed.ted.com/lessons/what-causes-addiction-and-why-is-it-so-hard-to-treat-judy-grisel/digdeeper [https://ed.ted.com/lessons/what-causes-addiction-and-why-is-it-so-hard-to-treat-judy-grisel/digdeeper] Animator's website: https://gabriella-marsh.com [https://gabriella-marsh.com] Music: https://soundcloud.com/aim-music [https://soundcloud.com/aim-music] ---------------------------------------------- Thank you so much to our patrons for your support! Without you this video would not be possible! 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, Heather Slater, Sandra Tersluisen, Zhexi Shan, Bárbara Nazaré, Andrea Feliz, Victor E Karhel, Sydney Evans, Latora, Noel Situ, emily lam, Sid, Niccolò Frassetto, Mana, I'm here because of Knowledge Fight Facebook group., Linda Freedman, Edgardo Cuellar, Jaspar Carmichael-Jack, Michael Burton, VIVIANA A GARCIA BESNE, The Vernon's, Olha Bahatiuk, Jesús Bíquez Talayero, Chels Raknrl, Sai Pranavi Jonnalagadda, Stuart Rice and Jing Chen. Learn more about your ad choices. Visit megaphone.fm/adchoices [https://megaphone.fm/adchoices]

8 jun 20267 min