TED-Ed

Explore how the pancreas operates, and how this organ helps with digestion and controlling your sugar levels.

Uploaded 19-02-15

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Beneath your ribs, you’ll find, among other things, the pancreas -- an organ that works a lot like a personal health coach. Emma Bryce explains how this organ controls your sugar levels and produces a special juice that releases the nutrients from your food to help keep you in the best possible shape.

Lesson by Emma Bryce, animation by Tremendousness.

View full lesson: http://ed.ted.com/lessons/what-does-the-pancreas-do-emma-bryce



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Leslie Morgan Steiner was in "crazy love" -- that is, madly in love with a man who routinely abused her and threatened her life. Steiner tells the dark story of her relationship, correcting misconceptions many people hold about victims of domestic violence, and explaining how we can all help break the silence. (Filmed at TEDxRainier.)

Talk by Leslie Morgan Steiner.

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View full lesson: http://ed.ted.com/lessons/how-tsunamis-work-alex-gendler

Uploaded 24-04-14

The immense swell of a tsunami can grow up to 100 feet, hitting speeds over 500 mph -- a treacherous combination for anyone or anything in its path. Alex Gendler details the causes of these towering terrors and explains how scientists are seeking to reduce their destruction in the future.

Lesson by Alex Gendler, animation by Augenblick Studios.



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Explore how oysters use calcium carbonate to create pearls, and how this chemical compound creates a vast array of other materials.

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Despite their iridescent colors and smooth shapes, pearls are actually made of the exact same material as the craggy shell that surrounds them. Pearls, urchin spines, the shells of mussels, snails and clams, even coral— all these structures are made out of the same chemical compound: calcium carbonate. So how does this single ingredient form such a vast array of materials? Rob Ulrich investigates.

Lesson by Rob Ulrich, directed by Ivana Bošnjak.

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View full lesson: https://ed.ted.com/lessons/how-do-oysters-make-pearls-rob-ulrich
Dig deeper with additional resources: https://ed.ted.com/lessons/how-do-oysters-make-pearls-rob-ulrich#digdeeper

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! 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, 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 and Edgardo Cuellar.

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Explore the psychology of social identity and in-group bias and discover the conditions that cause people to turn against one another.

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One day a pair of brothers working together as shoemakers had an explosive fight that split the family business in two. Over the coming years, this disagreement divided their town— residents and businesses chose sides. Could such a serious divide really be about shoes? Doesn’t it take more significant differences to produce this degree of conflict? Jay Van Bavel and Dominic Packer investigate.

Lesson by Jay Van Bavel and Dominic Packer, directed by Arvind Singh Jeena, Totem Creative.

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View full lesson: https://ed.ted.com/lessons/the-sibling-rivalry-that-divided-a-town-jay-van-bavel-and-dominic-packer
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Animator's website: https://www.totemcreative.in
Music: https://www.vinyl-mix.com
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Uploaded 21-06-18

View full lesson: https://ed.ted.com/lessons/how-do-your-hormones-work-emma-bryce

Over our lifetimes, our bodies undergo a series of extraordinary metamorphoses: we grow, experience puberty, and many of us reproduce. Behind the scenes, the endocrine system works constantly to orchestrate these changes. Emma Bryce explains how this system regulates everything from your sleep to the rhythm of your beating heart, exerting its influence over each and every one of your cells.

Lesson by Emma Bryce, animation by Daniel Gray.

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View full lesson: http://ed.ted.com/lessons/the-brilliance-of-bioluminescence-leslie-kenna

Some lucky animals are naturally endowed with bioluminescence, or the ability to create light. The firefly, the anglerfish, and a few more surprising creatures use this ability in many ways, including survival, hunting, and mating. Leslie Kenna investigates this magical glow - and our quest to replicate it.

Lesson by Leslie Kenna, animation by Cinematic Sweden.

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View full lesson: http://ed.ted.com/lessons/reasons-for-the-seasons-rebecca-kaplan

Why do some regions experience full-time heat while others are reckoning with frigid temperatures and snow? And why are the seasons reversed in the two hemispheres? Rebecca Kaplan explains how the shape of the Earth's orbit around the Sun and the Earth's tilt on its axis affect the amount of sunlight each region receives.

Lesson by Rebecca Kaplan, animation by Marc Christoforidis.

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View full lesson: http://ed.ted.com/lessons/your-brain-can-solve-algorithms-david-j-malan

An algorithm is a mathematical method of solving problems both big and small. Though computers run algorithms constantly, humans can also solve problems with algorithms. David J. Malan explains how algorithms can be used in seemingly simple situations and also complex ones.

Lesson by David J. Malan, animation by enjoyanimation.

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Explore how scientists are developing a flu vaccine that would protect you against every strain— even ones that don’t exist yet.

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There’s a vaccine being developed now that would protect you against every strain of the flu— even ones that don’t exist yet. But influenza is constantly mutating, so is a universal vaccine even possible? And how do you design a vaccine that will be effective against future strains? Explore how scientists are developing new ways to help our immune systems fight viruses.

Directed by Igor Coric, Artrake Studio.

This video made possible in collaboration with Gates Ventures
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View full lesson: https://ed.ted.com/lessons/could-one-vaccine-protect-against-everything
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Animator's website: https://www.artrake.com
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