Why are some people left-handed? - Daniel M. Abrams
Why are some people left-handed? - Daniel M. Abrams
Why are some people left-handed? - Daniel M. Abrams
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Why are some people left-handed? - Daniel M. Abrams - TED-Ed

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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.

13 Things Only Left Handed People Understand

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What would happen if you didn’t drink water? - Mia Nacamulli

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The language of lying — Noah Zandan

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"Did you know that left-handed people die 10 years earlier than right-handed people?" Check out more awesome videos at BuzzFeedVideo! http://bit.ly/YTbuzzfeedvideo MUSIC Smile and Wave Licensed via Audio Network. SFX provided by Audioblocks.  (https://www.Audioblocks.com) Footage provided by VideoBlocks http://vblocks.co/x/BuzzFeedYouTube Made by BFMP www.buzzfeed.com/videoteam GET MORE BUZZFEED: www.buzzfeed.com/videoteam www.facebook.com/buzzfeedvideo www.instagram.com/buzzfeedvideo www.buzzfeed.com/video www.youtube.com/buzzfeedvideo www.youtube.com/buzzfeedyellow www.youtube.com/buzzfeedblue www.youtube.com/buzzfeedviolet BUZZFEED VIDEO BuzzFeed Motion Picture’s flagship channel. Sometimes funny, sometimes serious, always shareable. New videos posted daily! Subscribe to BuzzFeedVideo today! http://bit.ly/YTbuzzfeedvideo

Why do we cry? The three types of tears - Alex Gendler

View full lesson: http://ed.ted.com/lessons/why-do-we-cry-the-three-types-of-tears-alex-gendler Whether we cry during a sad movie, while chopping onions, or completely involuntarily, our eyes are constantly producing tears. Alex Gendler tracks a particularly watery day in the life of Iris (the iris) as she cycles through basal, reflex and emotional tears. Lesson by Alex Gendler, animation by The Moving Company Animation Studio.

Questions No One Knows the Answers to (Full Version)

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)

History’s deadliest colors - J. V. Maranto

View full lesson: http://ed.ted.com/lessons/history-s-deadliest-colors-j-v-maranto When radium was first discovered, its luminous green color inspired people to add it into beauty products and jewelry. It wasn’t until much later that we realized that radium’s harmful effects outweighed its visual benefits. Unfortunately, radium isn’t the only pigment that historically seemed harmless or useful but turned out to be deadly. J. V. Maranto details history’s deadliest colors. Lesson by J. V. Maranto, animation by Juan M. Urbina.

Can you solve the egg drop riddle? - Yossi Elran

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...

Why do people get so anxious about math? - Orly Rubinsten

View full lesson: http://ed.ted.com/lessons/why-do-people-get-so-anxious-about-math-orly-rubinsten Have you ever sat down to take a math test and immediately felt your heart beat faster and your palms start to sweat? This is called math anxiety, and if it happens to you, you’re not alone: Researchers think about 20 percent of the population suffers from it. So what’s going on? And can it be fixed? Orly Rubinsten explores the current research and suggests ways to increase math performance. Lesson by Orly Rubinsten, animation by Adriatic Animation.

5 Pictures To Test Your Intelligence

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What is dyslexia? - Kelli Sandman-Hurley

View full lesson: http://ed.ted.com/lessons/what-is-dyslexia-kelli-sandman-hurley Dyslexia affects up to 1 in 5 people, but the experience of dyslexia isn't always the same. This difficulty in processing language exists along a spectrum -- one that doesn't necessarily fit with labels like "normal" and "defective." Kelli Sandman-Hurley urges us to think again about dyslexic brain function and to celebrate the neurodiversity of the human brain. Lesson by Kelli Sandman-Hurley, animation by Marc Christoforidis.

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Why do cats act so weird? - Tony Buffington

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Why do your knuckles pop? - Eleanor Nelsen

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