Why is being scared so fun? - Margee Kerr - TED-Ed


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The science of spiciness - Rose Eveleth 03:55
The science of spiciness - Rose Eveleth
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View full lesson: http://ed.ted.com/lessons/the-science-of-spiciness-rose-eveleth When you take a bite of a hot pepper, your body reacts as if your mouth is on fire -- because that's essentially what you've told your brain! Rose Eveleth details the science and history behind spicy foods, giving insights into why some people continue to pay the painful price for a little spice. Lesson by Rose Eveleth, animation by Flaming Medusa Studios Inc.
Earworms: Those songs that get stuck in your head - Elizabeth Hellmuth Margulis 04:46
Earworms: Those songs that get stuck in your head - Elizabeth Hellmuth Margulis
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View full lesson: http://ed.ted.com/lessons/earworms-those-songs-that-get-stuck-in-your-head-elizabeth-hellmuth-margulis↵↵Have you ever been waiting in line at the grocery store, innocently perusing the magazine rack, when a song pops into your head? Not the whole song, but a fragment of it that plays and replays until you find yourself unloading the vegetables in time to the beat? Elizabeth Hellmuth Margulis explores earworms — a cognitive phenomenon that plagues over 90% of people at least once a week.↵↵Lesson by Elizabeth Margulis, animation by Artrake Studio.
How do you know whom to trust? - Ram Neta 04:35
How do you know whom to trust? - Ram Neta
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View full lesson: http://ed.ted.com/lessons/how-do-you-know-whom-to-trust-ram-neta We believe a lot of things because we've been told - from our personal acquaintances and also experts. With so many belief systems being passed to us, how do we know whom to trust? Using contemporary examples, Ram Neta explains when listening to experts is a good idea...and when it's not. Lesson by Ram Neta, animation by Colleen Cox.
Is there a disease that makes us love cats? - Jaap de Roode 05:06
Is there a disease that makes us love cats? - Jaap de Roode
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View full lesson: http://ed.ted.com/lessons/is-there-a-disease-that-makes-us-love-cats-jaap-de-roode Today, about a third of the world’s population is infected with a strange disease called toxoplasmosis — and most of them never even know it. And while the parasite can multiply in practically any host, it can only reproduce sexually in the intestines of cats. Could this disease be the reason so many people love cats and keep them as pets? Jaap de Roode shares what we know about toxoplasmosis. Lesson by Jaap de Roode, animation by Anton Bogaty.
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.
Why do we kiss under mistletoe? - Carlos Reif 04:42
Why do we kiss under mistletoe? - Carlos Reif
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View full lesson: http://ed.ted.com/lessons/why-do-we-kiss-under-mistletoe-carlos-reif The sight of mistletoe may either send you scurrying or, if you have your eye on someone, awaiting an opportunity beneath its snow-white berries. But how did the festive tradition of kissing under mistletoe come about? Carlos Reif explains how this long-lived custom intertwines the mythology and biology of this intriguing plant. Lesson by Carlos Reif, animation by CUB Animation.
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.
The surprising reason you feel awful when you're sick - Marco A. Sotomayor 05:01
The surprising reason you feel awful when you're sick - Marco A. Sotomayor
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View full lesson: http://ed.ted.com/lessons/the-surprising-reason-you-feel-awful-when-you-re-sick-marco-a-sotomayor It starts with a tickle in your throat that becomes a cough. Your muscles begin to ache, you grow irritable, and you lose your appetite. It’s official: you’ve got the flu. It’s logical to assume that this miserable medley of symptoms is the result of the infection coursing through your body — but is that really the case? Marco A. Sotomayor explains what’s actually making you feel sick. Lesson by Marco A. Sotomayor, animation by Henrik Malmgren.
Honest Trailers - The Emoji Movie 04:44
Honest Trailers - The Emoji Movie
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Three-dimensional representations of two-dimensional phone pictures in a one-dimensional movie - it's The Emoji Movie! Watch the Honest Trailer Commentary for The Emoji Movie to hear a more thoughts on the movie from the writers themselves! Jokes that were cut and more: https://www.youtube.com/watch?v=Z4SDqrIBlPM Got a tip? Email us ► feedback@screenjunkies.com Follow us on Twitter ► http://twitter.com/screenjunkies Like us on Facebook ► http://www.fb.com/screenjunkies Voiceover Narration by Jon Bailey: http://youtube.com/jon3pnt0 Title design by Robert Holtby Producers - Dan Murrell, Spencer Gilbert, Joe Starr, and Max Dionne Written by Spencer Gilbert, Joe Starr, and Dan Murrell Edited by Kevin Williamsen and TJ Nordaker
How do you decide where to go in a zombie apocalypse? - David Hunter 03:38
How do you decide where to go in a zombie apocalypse? - David Hunter
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View full lesson: http://ed.ted.com/lessons/how-do-you-decide-where-to-go-in-a-zombie-apocalypse-david-hunter Can geography save your life in case of, say, a zombie apocalypse? Understanding the push and pull factors that create geographic movement -- or how people, resources, and even ideas travel -- might help you determine the location that's best for survival. David Hunter playfully analyzes the geography skills that you'd need to escape the zombies. Lesson by David Hunter, animation by Provincia Studio.
How memories form and how we lose them - Catharine Young 04:20
How memories form and how we lose them - Catharine Young
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View full lesson: http://ed.ted.com/lessons/how-memories-form-and-how-we-lose-them-catharine-young Think back to a really vivid memory. Got it? Now try to remember what you had for lunch three weeks ago. That second memory probably isn’t as strong—but why not? Why do we remember some things, and not others? And why do memories eventually fade? Catharine Young gives the basics on memory and memory loss. Lesson by Catharine Young, animation by Patrick Smith.
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.
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 do we itch? - Emma Bryce 04:44
Why do we itch? - Emma Bryce
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View full lesson: http://ed.ted.com/lessons/why-do-we-itch-emma-bryce The average person experiences dozens of individual itches each day. We’ve all experienced the annoyance of an inconvenient itch — but have you ever pondered why we itch in the first place? Is there actually an evolutionary purpose to the itch, or is it simply there to annoy us? Emma Bryce digs deep into the skin to find out. Lesson by Emma Bryce, animation by Sashko Danylenko.
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...
What is the tragedy of the commons? - Nicholas Amendolare 04:58
What is the tragedy of the commons? - Nicholas Amendolare
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Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/what-is-the-tragedy-of-the-commons-nicholas-amendolare Is it possible that overfishing, super germs, and global warming are all caused by the same thing? In 1968, a man named Garrett Hardin sat down to write an essay about overpopulation. Within it, he discovered a pattern of human behavior that explains some of history’s biggest problems. Nicholas Amendolare describes the tragedy of the commons. Lesson by Nicholas Amendolare, directed by TED-Ed. Thank you so much to our patrons for your support! Without you this video would not be possible. Brandy Jones, John Ess, Jessica James, Tom Lee, Stephen Michael Alvarez, Hoang Ton,...
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.
Inside the mind of a master procrastinator | Tim Urban 14:04
Inside the mind of a master procrastinator | Tim Urban
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Tim Urban knows that procrastination doesn't make sense, but he's never been able to shake his habit of waiting until the last minute to get things done. In this hilarious and insightful talk, Urban takes us on a journey through YouTube binges, Wikipedia rabbit holes and bouts of staring out the window -- and encourages us to think harder about what we're really procrastinating on, before we run out of time. For more from Tim Urban, visit Wait But Why: http://www.waitbutwhy.com/ TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world's leading thinkers...
Why are some people left-handed? - Daniel M. Abrams 05:07
Why are some people left-handed? - Daniel M. Abrams
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View full lesson: http://ed.ted.com/lessons/why-are-some-people-left-handed-daniel-m-abrams Today, about one-tenth of the world’s population are southpaws. Why are such a small proportion of people left-handed -- and why does the trait exist in the first place? Daniel M. Abrams investigates how the uneven ratio of lefties and righties gives insight into a balance between competitive and cooperative pressures on human evolution. Lesson by Daniel M. Abrams, animation by TED-Ed.
What’s the big deal with gluten? - William D. Chey 05:01
What’s the big deal with gluten? - William D. Chey
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View full lesson: http://ed.ted.com/lessons/what-s-the-big-deal-with-gluten-william-d-chey If you've been to a restaurant in the last few years, you’ve likely seen the words gluten-free written somewhere on the menu. But what exactly is gluten, and why can’t some people process it? And why does it only seem to be a problem recently? William D. Chey unravels the facts behind celiac disease, wheat allergies and non-celiac gluten sensitivity. Lesson by William D. Chey, animation by Stretch Films, Inc.
Why do we love? A philosophical inquiry - Skye C. Cleary 05:45
Why do we love? A philosophical inquiry - Skye C. Cleary
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View full lesson: https://ed.ted.com/lessons/why-do-we-love-a-philosophical-inquiry-skye-c-cleary Ah, romantic love; beautiful and intoxicating, heart-breaking and soul-crushing... often all at the same time! If romantic love has a purpose, neither science nor psychology has discovered it yet – but over the course of history, some of our most respected philosophers have put forward some intriguing theories. Skye C. Cleary outlines five of these philosophical perspectives on why we love. Lesson by Skye C. Cleary, animation by Avi Ofer.
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,...
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 otherworldly creatures in the ocean's deepest depths - Lidia Lins 05:03
The otherworldly creatures in the ocean's deepest depths - Lidia Lins
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View full lesson: http://ed.ted.com/lessons/the-otherworldly-creatures-in-the-ocean-s-deepest-depths-lidia-lins About 60 percent of the ocean is a cold, dark region that spans down to 11,000 meters. This zone is known as the deep ocean, and though it seems like an inhospitable and remote corner of the planet, it is actually one of the greatest habitats on Earth. Lidia Lins explores how so many species thrive in this mysterious underwater world. Lesson by Lidia Lins, animation by Viviane Leezer.
Video Description
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.
Tags: Why is being scared so fun?   Margee Kerr   Margee Kerr   Meduzaz animation studio   Fear   Fight or flight   Oxytocin   Rollercoasters   Danger   Thrill seeking   TED   Ed   TED Education   Ted Ed   TED  

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