How does your body know you're full? - Hilary Coller - TED-Ed


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Why incompetent people think they're amazing - David Dunning 05:08
Why incompetent people think they're amazing - David Dunning
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Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/why-incompetent-people-think-they-re-amazing-david-dunning How good are you with money? What about reading people’s emotions? How healthy are you, compared to other people you know? Knowing how our skills stack up against others is useful in many ways. But psychological research suggests that we’re not very good at evaluating ourselves accurately. In fact, we frequently overestimate our own abilities. David Dunning describes the Dunning-Kruger effect. Lesson by David Dunning, directed by Wednesday Studio, music and sound by Tom Drew. Thank you so much to our patrons for your support! Without you this video would not be...
How stress affects your body - Sharon Horesh Bergquist 04:43
How stress affects your body - Sharon Horesh Bergquist
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View full lesson: http://ed.ted.com/lessons/how-stress-affects-your-body-sharon-horesh-bergquist Our hard-wired stress response is designed to gives us the quick burst of heightened alertness and energy needed to perform our best. But stress isn’t all good. When activated too long or too often, stress can damage virtually every part of our body. Sharon Horesh Bergquist gives us a look at what goes on inside our body when we are chronically stressed. Lesson by Sharon Horesh Bergquist, animation by Adriatic Animation.
Can you solve the egg drop riddle? - Yossi Elran 04:47
Can you solve the egg drop riddle? - Yossi Elran
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Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/can-you-solve-the-egg-drop-riddle-yossi-elran The city has just opened its one-of-a-kind Faberge Egg Museum, with a single egg displayed on each floor of a 100-story building -- and the world’s most notorious jewel thief already has her eyes on the prize. Can you help the thief formulate a plan that will drop the most expensive egg she can get safely into her waiting truck? Yossi Elran shows how. Lesson by Yossi Elran, directed by Artrake Studio. Thank you so much to our patrons for your support! Without you this video would not be possible! Yuh Saito, Sarabeth...
The language of lying — Noah Zandan 05:42
The language of lying — Noah Zandan
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View full lesson: http://ed.ted.com/lessons/the-language-of-lying-noah-zandan We hear anywhere from 10 to 200 lies a day. And although we’ve spent much of our history coming up with ways to detect these lies by tracking physiological changes in their tellers, these methods have proved unreliable. Is there a more direct approach? Noah Zandan uses some famous examples of lying to illustrate how we might use communications science to analyze the lies themselves. Lesson by Noah Zandan, animation by The Moving Company Animation Studio.
What would happen if you didn’t drink water? - Mia Nacamulli 04:52
What would happen if you didn’t drink water? - Mia Nacamulli
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View full lesson: http://ed.ted.com/lessons/what-would-happen-if-you-didn-t-drink-water-mia-nacamulli Water is essentially everywhere in our world, and the average human is composed of between 55 and 60% water. So what role does water play in our bodies, and how much do we actually need to drink to stay healthy? Mia Nacamulli details the health benefits of hydration. Lesson by Mia Nacamulli, animation by Chris Bishop.
Why is glass transparent? - Mark Miodownik 04:08
Why is glass transparent? - Mark Miodownik
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View full lesson: http://ed.ted.com/lessons/why-is-glass-transparent-mark-miodownik If you look through your glasses, binoculars or a window, you see the world on the other side. How is it that something so solid can be so invisible? Mark Miodownik melts the scientific secret behind amorphous solids. Lesson by Mark Miodownik, animation by Provincia Studio.
What makes muscles grow? - Jeffrey Siegel 04:20
What makes muscles grow? - Jeffrey Siegel
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View full lesson: https://ed.ted.com/lessons/what-makes-muscles-grow-jeffrey-siegel We have over 600 muscles in our bodies that help bind us together, hold us up, and help us move. Your muscles also need your constant attention, because the way you treat them on a daily basis determines whether they will wither or grow. Jeffrey Siegel illustrates how a good mix of sleep, nutrition and exercise keep your muscles as big and strong as possible. Lesson by Jeffrey Siegel, animation by Brett Underhill.
Why do we dream? - Amy Adkins 05:38
Why do we dream? - Amy Adkins
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View full lesson: http://ed.ted.com/lessons/why-do-we-dream-amy-adkins In the 3rd millennium BCE, Mesopotamian kings recorded and interpreted their dreams on wax tablets. In the years since, we haven't paused in our quest to understand why we dream. And while we still don’t have any definitive answers, we have some theories. Amy Adkins reveals the top seven reasons why we might dream. Lesson by Amy Adkins, animation by Clamanne Studio.
Why is it so hard to cure cancer? - Kyuson Yun 05:23
Why is it so hard to cure cancer? - Kyuson Yun
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Download a free audiobook and support TED-Ed's nonprofit mission: http://adbl.co/2gauxND Check out Siddhartha Mukherjee's "The Emperor of All Maladies": https://shop.ed.ted.com/collections/ted-ed-book-recommendations/products/the-emperor-of-all-maladies-a-biography-of-cancer View full lesson: https://ed.ted.com/lessons/why-is-it-so-hard-to-cure-cancer-kyuson-yun We’ve harnessed electricity, sequenced the human genome, and eradicated smallpox. But after billions of dollars in research, we haven’t found a solution for a disease that affects more than 14 million people and their families at any given time. Why is it so difficult to cure cancer? Kyuson Yun explains the challenges. Lesson by Kyuson Yun, directed by Artrake Studio. Check out our Patreon page: https://www.patreon.com/teded Thank you so much to our patrons for your support! Without you this video...
The myth of Prometheus - Iseult Gillespie 04:47
The myth of Prometheus - Iseult Gillespie
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Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-myth-of-prometheus-iseult-gillespie Before the creation of humanity, the Greek gods won a great battle against a race of giants called the Titans. Most Titans were destroyed or driven to the eternal hell of Tartarus. But the Titan Prometheus, whose name means foresight, persuaded his brother Epimetheus to fight with him on the side of the Gods. Iseult Gillespie shares the myth of Prometheus. Lesson by Iseult Gillespie, directed by Léa Krawczyk. Thank you so much to our patrons for your support! Without you this video would not be possible. Yalda A., Susan Herder, Andrew Bosco, Craig Sheldon,...
How does your body know what time it is? - Marco A. Sotomayor 05:09
How does your body know what time it is? - Marco A. Sotomayor
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View full lesson: http://ed.ted.com/lessons/how-does-your-body-know-what-time-it-is-marco-a-sotomayor Being able to sense time helps us do everything from waking and sleeping to knowing precisely when to catch a ball that’s hurtling towards us. And we owe all these abilities to an interconnected system of timekeepers in our brains. But how do they work? Marco A. Sotomayor details how human bodies naturally tell time. Lesson by Marco A. Sotomayor, animation by TOGETHER.
Why do your knuckles pop? - Eleanor Nelsen 04:22
Why do your knuckles pop? - Eleanor Nelsen
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View full lesson: http://ed.ted.com/lessons/why-do-your-knuckles-pop-eleanor-nelsen Some people love the feeling of cracking their knuckles, while others cringe at the sound. But what causes that trademark pop? And is it dangerous? Eleanor Nelsen gives the facts behind joint popping. Lesson by Eleanor Nelsen, animation by Steve Belfer Creative.
Questions No One Knows the Answers to (Full Version) 12:08
Questions No One Knows the Answers to (Full Version)
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In the first of a new TED-Ed series designed to catalyze curiosity, TED Curator Chris Anderson shares his boyhood obsession with quirky questions that seem to have no answers. (Introducing the series "Questions no one knows the answers to") "Questions No One Knows the Answers to" was animated by Andrew Park (http://www.cognitivemedia.co.uk)
How to practice effectively...for just about anything - Annie Bosler and Don Greene 04:50
How to practice effectively...for just about anything - Annie Bosler and Don Greene
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View full lesson: http://ed.ted.com/lessons/how-to-practice-effectively-for-just-about-anything-annie-bosler-and-don-greene Mastering any physical skill takes practice. Practice is the repetition of an action with the goal of improvement, and it helps us perform with more ease, speed, and confidence. But what does practice actually do to make us better at things? Annie Bosler and Don Greene explain how practice affects the inner workings of our brains. Lesson by Annie Bosler and Don Greene, animation by Martina Meštrović.
Will the ocean ever run out of fish? - Ayana Elizabeth Johnson and Jennifer Jacquet 04:28
Will the ocean ever run out of fish? - Ayana Elizabeth Johnson and Jennifer Jacquet
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View full lesson: https://ed.ted.com/lessons/will-the-ocean-ever-run-out-of-fish-ayana-elizabeth-johnson-and-jennifer-jacquet When most people think of fishing, we imagine relaxing in a boat and patiently reeling in the day’s catch. But modern industrial fishing -- the kind that stocks our grocery shelves -- looks more like warfare. Ayana Elizabeth Johnson and Jennifer Jacquet explain overfishing and its effects on ecosystems, food security, jobs, economies, and coastal cultures. Lesson by Ayana Elizabeth Johnson and Jennifer Jacquet, directed by Anton Bogaty.
The wars that inspired Game of Thrones - Alex Gendler 06:01
The wars that inspired Game of Thrones - Alex Gendler
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View full lesson: http://ed.ted.com/lessons/the-wars-that-inspired-game-of-thrones-alex-gendler Beginning around 1377, medieval England was shaken by a power struggle between two noble families, which spanned generations and involved a massive cast of characters, complex motives and shifting loyalties. Sound familiar? Alex Gendler illustrates how the historical conflict known as the Wars of the Roses served as the basis for much of the drama in Game of Thrones. Lesson by Alex Gendler, animation by Brett Underhill.
How does caffeine keep us awake? - Hanan Qasim 05:15
How does caffeine keep us awake? - Hanan Qasim
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View full lesson: http://ed.ted.com/lessons/how-does-caffeine-keep-us-awake-hanan-qasim Over 100,000 metric tons of caffeine are consumed around the world every year. That’s equivalent to the weight of 14 Eiffel Towers! Caffeine helps us feel alert, focused, and energetic, even if we haven’t had enough sleep — but it can also raise our blood pressure and make us feel anxious. So how does it keep us awake? Hanan Qasim shares the science behind the world’s most widely used drug. Lesson by Hanan Qasim, directed by Adriatic Animation.
A brief history of banned numbers - Alessandra King 04:43
A brief history of banned numbers - Alessandra King
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Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/a-brief-history-of-banned-numbers-alessandra-king They say the pen is mightier than the sword, and authorities have often agreed. From outlawed religious tracts and revolutionary manifestos to censored and burned books, we know the potential power of words to overturn the social order. But as strange as it may seem, some numbers have also been considered dangerous enough to ban. Alessandra King details the history behind illegal numbers. Lesson by Alessandra King, directed by Juan M. Urbina Studios. Thank you so much to our patrons for your support! Without you this video would not be possible. Yankai Liu,...
Breath -- five minutes can change your life | Stacey Schuerman | TEDxChapmanU 09:06
Breath -- five minutes can change your life | Stacey Schuerman | TEDxChapmanU
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This talk was given at a local TEDx event, produced independently of the TED Conferences. Stacey Schuerman leads us through an exercise designed to reset, renew, and rejuvenate our energy. Join her as she teaches us about breathing and calming the mind. Stacey Schuerman, E-RYT 500 (Experienced Registered Yoga Teacher), is the Co-Owner of SunSpark Yoga, a family owned, community focused yoga studio in the heart of Old Towne Orange. She has been practicing yoga since 2002 and teaching yoga to adults and kids of all ages since 2008. Stacey's personal yoga journey began after an injury, when...
How aspirin was discovered - Krishna Sudhir 05:45
How aspirin was discovered - Krishna Sudhir
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Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/how-aspirin-was-discovered-krishna-sudhir 4000 years ago, the ancient Sumerians made a surprising discovery: if they scraped the bark off a particular kind of tree and ate it, their pain disappeared. Little did they know that what they’d found was destined to influence the future course of medicine. Krishna Sudhir traces the history of aspirin. Lesson by Krishna Sudhir, directed by Artrake Studio. Thank you so much to our patrons for your support! Without you this video would not be possible. Rubaiya Binte Hussain, Eysteinn Guðnason, Bernardo Paulo, Victor E Karhel, Sydney Evans, Latora Slydell, Oyuntsengel Tseyen-Oidov, Noel...
Why is being scared so fun? - Margee Kerr 04:29
Why is being scared so fun? - Margee Kerr
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View full lesson: http://ed.ted.com/lessons/why-do-we-like-to-scare-ourselves-margee-kerr At this very moment, people are lining up somewhere to scare themselves, be it with a thrill-ride or a horror movie. In fact, in October of 2015 alone, about 28 million people visited a haunted house in the US. But you might wonder: What could possibly be fun about being scared? Margee Kerr examines the biology and psychology behind what makes fear so fun. Lesson by Margee Kerr, animation by Meduzaz animation studio.
This is what happens when you reply to spam email | James Veitch 09:49
This is what happens when you reply to spam email | James Veitch
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Suspicious emails: unclaimed insurance bonds, diamond-encrusted safe deposit boxes, close friends marooned in a foreign country. They pop up in our inboxes, and standard procedure is to delete on sight. But what happens when you reply? Follow along as writer and comedian James Veitch narrates a hilarious, months-long exchange with a spammer who offered to cut him in on a hot deal. TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world's leading thinkers and doers give the talk of their lives in 18 minutes (or less). Look for talks on Technology,...
What causes bad breath? - Mel Rosenberg 04:14
What causes bad breath? - Mel Rosenberg
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View full lesson: http://ed.ted.com/lessons/what-causes-bad-breath-mel-rosenberg Halitosis is a curse that has plagued humanity since ancient times. But what causes it, and why is it so universally terrifying? Mel Rosenberg outlines the basics of bad breath — and what you can do when it strikes you. Lesson by Mel Rosenberg, animation by Andrew Foerster.
The great conspiracy against Julius Caesar - Kathryn Tempest 05:58
The great conspiracy against Julius Caesar - Kathryn Tempest
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View full lesson: http://ed.ted.com/lessons/the-great-conspiracy-against-julius-caesar-kathryn-tempest On March 15th, 44 BCE, Roman dictator Julius Caesar was assassinated by a group of about 60 of his own senators. Why did these self-titled Liberators want him dead? And why did Brutus, whose own life had been saved by Caesar, join in the plot? Kathryn Tempest investigates the personal and political assassination of Julius Caesar. Lesson by Kathryn Tempest, animation by Brett Underhill.
Is it bad to hold your pee? - Heba Shaheed 03:58
Is it bad to hold your pee? - Heba Shaheed
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View full lesson: http://ed.ted.com/lessons/is-it-bad-to-hold-your-pee-heba-shaheed Humans should urinate at least four to six times a day, but occasionally, the pressures of modern life force us to clench and hold it in. How bad is this habit, and how long can our bodies withstand it? Heba Shaheed takes us inside the bladder to find out. Lesson by Heba Shaheed, animation by Artrak Studio.
Video Description
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Hunger claws at your belly. It tugs at your intestines, which begin to writhe, aching to be fed. Being hungry generates a powerful and often unpleasant physical sensation that’s almost impossible to ignore. After you’ve reacted by gorging on your morning pancakes, you start to experience an opposing force: fullness. But how does your body actually know when you’re full? Hilary Coller explains.

Lesson by Hilary Coller, directed by Sashko Danylenko.

Thank you so much to our patrons for your support! Without you this video would not be possible.
Noa Shore, Taylor Hunter, Kyle Nguyen, Bijan Bayat Mokhtari, Elias Wewel, Henry Li, Ayaan Heban, Michael Aquilina, Yansong Li, MJ Tan Mingjie, Fabio Peters, Silas Schwarz, Cristóbal Medina Moenne, Tushar Sharma, Mohammad Khory, Goh Xiang Ting Diana, Umar Farooq, Kevin Wong, Activated Classroom Teaching, Constantin Salagor, Monica Grace Ward, Dawn Jordan, Yanira Santamaria, Prasanth Mathialagan, Savannah Scheelings.
Tags: How does your body know youre full?   Hilary Coller   TED   TED   Ed   TED Education   TED Ed   Hilary Coller   Sashko Danylenko   hunger   fullness   appetite   food   stomach   digestion   vagus nerve   hypothalamus   hormones   endocrine cells   digestive system   intestine   ghrelin   insulin   leptin   water   fiber   protein  

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