Search Results: "naacp ed nixon"

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04:09 Popular
Urbanization And The Evolution Of Cities Across 10,000 Years - Vance Kite

1,098 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/urbanization-and-the-future-of-cities-vance-kite About 10,000 years ago, hunter-gatherers, aided by rudimentary agriculture, moved to semi-permanent villages and never looked back. With further developments came
04:16 Popular
How Stress Affects Your Brain - Madhumita Murgia

966 views / 3 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/how-stress-affects-your-brain-madhumita-murgia Stress isn’t always a bad thing; it can be handy for a burst of extra energy and focus, like when you’re playing a competitive sport or have to speak in public. But
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05:07
4 things all great listeners know

239 views / 0 likes - added 1 year ago

Dig into different strategies that can improve your listening skills so you can become a high quality listener.--Its easy to tell when someones not paying attention, but it can be surprisingly tricky to know what good listening looks like. Good listening
06:10
3 ways to end a virus

522 views / 0 likes - added 1 year ago

Explore the three main ways viruses can be driven to extinction, and dig into the possibility of COVID-19 dying out.--Viruses are wildly successful organisms. There are about 100 million times as many virus particles on Earth as there are stars in the obs
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04:28 Popular
The True Story Of 'true' - Gina Cooke

733 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-true-story-of-true-gina-cooke The older the word, the longer (and more fascinating) the story. With roots in Old English, 'true' shares etymological ancestors with words like betroth and truce...but also wit
05:20
Why do we eat popcorn at the movies? - Andrew Smith

146 views / 0 likes - added 1 year ago

Trace the history of popcorn, from its origins in the Americas to its explosion of popularity in the 20th century.--Soft percussion and a toasty scent mark the violent transformation of tough seeds into cloud-like puffs. This is the almost magical process
04:40 Popular
How exactly does binary code work? - José Américo N L F de Freitas

759 views / 0 likes - added 5 years ago

Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/how-exactly-does-binary-code-work-jose-americo-n-l-f-freitas Imagine trying to use words to describe every scene in a film, every note in a song, or eve
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04:47 Popular
Is there a limit to technological progress? - Clément Vidal

718 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/is-there-a-limit-to-technological-progress-clement-vidal Many generations have felt they’ve reached the pinnacle of technological advancement. Yet, if you look back 100 years, the technologies we take for grante
05:03 Popular
How Does Your Smartphone Know Your Location? - Wilton L. Virgo

853 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/how-does-your-smartphone-know-your-location-wilton-l-virgo GPS location apps on a smartphone can be very handy when mapping a travel route or finding nearby events. But how does your smartphone know where you ar
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03:25 Popular
What Does The Liver Do? - Emma Bryce

1,670 views / 1 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/what-does-the-liver-do-emma-bryce There’s a factory inside you that weighs about 1.4 kilograms and runs for 24 hours a day. It’s your liver: the heaviest organ in your body, which simultaneously acts as a storeh
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03:51 Popular
An Athlete Uses Physics To Shatter World Records - Asaf Bar-Yosef

811 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/an-athlete-uses-physics-to-shatter-world-records-asaf-bar-yosef When Dick Fosbury couldn't compete against the skilled high jumpers at his college, he tried jumping in a different way -- backwards. Fosbury impro
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04:37 Popular
How To Grow A Bone - Nina Tandon

1,021 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/how-to-grow-a-bone-nina-tandon Can you grow a human bone outside the human body? The answer may soon be yes. Nina Tandon explores the possibility by examining how bones naturally grow inside the body, and illumi
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04:26
The Contributions Of Female Explorers - Courtney Stephens

587 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-contributions-of-female-explorers-courtney-stephens During the Victorian Age, women were unlikely to become great explorers, but a few intelligent, gritty and brave women made major contributions to the stud
03:11
The Sweaty Teacher's Lament - Justin Lamb

618 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-sweaty-teacher-s-lament-justin-lamb Justin Lamb would love to be the compassionate teacher. Or the tough but fair teacher. He'd even settle for the wacky teacher, if it meant he could shake his current, less
04:58 Popular
How North America Got Its Shape - Peter J. Haproff

1,018 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/how-north-america-got-its-shape-peter-j-haproff North America didn’t always have its familiar shape, nor its famed mountains, canyons, and plains: all of that was once contained in an unrecognizable mass, buried
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04:23
A Curable Condition That Causes Blindness - Andrew Bastawrous

519 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/a-curable-condition-that-causes-blindness-andrew-bastawrous An estimated 20 million cases of blindness worldwide are caused by cataracts, a curable condition affecting the lens that focuses images onto the eye’s
01:45 Popular
How the Band-Aid was invented | Moments of Vision 3 - Jessica Oreck

1,220 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/how-the-band-aid-was-invented-moments-of-vision-3-jessica-oreck It is estimated that Johnson & Johnson have made an astounding 100 billion Band-Aids since they were invented in 1920. But where did the idea come
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08:00
How Pandemics Spread

482 views / 1 likes - added 6 years ago

In our increasingly globalized world, a single infected person can board a plane and spread a virus across continents. Mark Honigsbaum describes the history of pandemics and how that knowledge can help halt future outbreaks. "How Pandemics Spread" is a le
03:53 Popular
Why Is This Painting So Captivating? - James Earle And Christina Bozsik

836 views / 0 likes - added 8 years ago

View full lesson: https://ed.ted.com/lessons/why-is-this-painting-so-captivating-james-earle-and-christina-bozsik On first glance, the painting “Las Meninas” (“The Maids of Honor”) might not seem terribly special, but it’s actually one of the most analyze
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06:21 Popular
From Aaliyah To Jay-Z: Captured Moments In Hip-hop History - Jonathan Mannion

769 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/from-aaliyah-to-jay-z-captured-moments-in-hip-hop-history-jonathan-mannion Jonathan Mannion once convinced rapper DMX to climb into a pool of blood -- all in pursuit of the perfect photo. In this passionate TEDY
01:52
Mysteries Of Vernacular: Odd - Jessica Oreck And Rachael Teel

611 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/mysteries-of-vernacular-odd-jessica-oreck-and-rachael-teel Whether we're talking all things unusual or mathematical, the origins of the word odd point to the Indo-European root uzdho, which means pointing upward
03:57 Popular
What On Earth Is Spin? - Brian Jones

711 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/what-on-earth-is-spin-brian-jones Why does the Earth spin? Does a basketball falling from a spinning merry-go-round fall in a curve, as it appears to, or in a straight line? How can speed be manipulated while sp
04:03 Popular
Should You Trust Unanimous Decisions? - Derek Abbott

869 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/should-you-trust-unanimous-decisions-derek-abbott Imagine a police lineup where ten witnesses are asked to identify a bank robber they glimpsed fleeing the scene. If six of them pick the same person, there’s a g
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05:42 Popular
How We Think Complex Cells Evolved - Adam Jacobson

851 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/how-we-think-complex-cells-evolved-adam-jacobson Imagine you swallowed a small bird and suddenly gained the ability to fly … or you ate a cobra and were able to spit poisonous venom! Well, throughout the history
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04:10
What Is An Aurora? - Michael Molina

644 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/how-epic-solar-winds-make-brilliant-polar-lights-michael-molina Why do we see those stunning lights in the northern- and southernmost portions of the night sky? The Aurora Borealis and Aurora Australis occur whe
02:57
When To Use

541 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/when-to-use-me-myself-and-i-emma-bryce Me, myself, and I. You may be tempted to use these words interchangeably, because they all refer to the same thing. But in fact, each one has a specific role in a sentence:
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06:01
The Wars That Inspired Game Of Thrones - Alex Gendler

643 views / 0 likes - added 9 years ago

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 cha
05:26 Popular
Jellyfish predate dinosaurs. How have they survived so long? - David Gruber

1,273 views / 5 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/jellyfish-predate-dinosaurs-how-have-they-survived-so-long-david-gruber Some are longer than a blue whale. Others are barely larger than a grain of sand. One species unleashes one of the most deadly venoms on ea
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04:50 Popular
Could Anyone Make A Jackson Pollock Painting? - Sarah Rosenthal

1,036 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/could-just-anyone-make-a-jackson-pollock-painting-sarah-rosenthal If you visit a museum with a collection of modern and contemporary art, you’re likely to see works that sometimes elicit the response, “My cat co
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04:54 Popular
Who IS Sherlock Holmes? - Neil McCaw

980 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/who-is-sherlock-holmes-neil-mccaw More than a century after first emerging into the fogbound, gaslit streets of Victorian London, Sherlock Holmes is universally recognizable. And yet many of his most recognizabl
04:47
Is there a reproducibility crisis in science? - Matt Anticole

494 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/is-there-a-reproducibility-crisis-in-science-matt-anticole Published scientific studies can motivate research, inspire products, and inform policy. However, recent studies that examined dozens of published pharm
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Can the economy grow forever?

137 views / 0 likes - added 1 year ago

Is infinite economic growth possible on a planet with finite resources? Explore how countries can balance efficiency with sustainability.--Many economists think that an eternally growing economy is necessary to keep improving peoples lives, and that if th
04:42 Popular
The Famously Difficult Green-eyed Logic Puzzle - Alex Gendler

1,352 views / 2 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/the-famously-difficult-green-eyed-logic-puzzle-alex-gendler One hundred green-eyed logicians have been imprisoned on an island by a mad dictator. Their only hope for freedom lies in the answer to one famously di
17:34
The 3 A's Of Awesome - Neil Pasricha

600 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-3-a-s-of-awesome-neil-pasricha Neil Pasricha's blog 1000 Awesome Things savors life's simple pleasures, from free refills to clean sheets. In this heartfelt talk, he reveals the 3 secrets (all starting with
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What Happens When Your DNA Is Damaged? - Monica Menesini

625 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/what-happens-when-your-dna-is-damaged-monica-menesini The DNA in just one of your cells gets damaged tens of thousands of times per day. Because DNA provides the blueprint for the proteins your cells need to fun
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04:30 Popular
The Game-changing Amniotic Egg - April Tucker

799 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-game-changing-amniotic-egg-april-tucker 350 million years ago, eggs could not survive far from water, therefore animals were water-bound. That is, until the amniotic egg, which allowed animals to live a full
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04:43 Popular
How Stress Affects Your Body - Sharon Horesh Bergquist

1,241 views / 0 likes - added 8 years ago

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 goo
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04:00 Popular
The Secret Lives Of Baby Fish - Amy McDermott

856 views / 1 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/the-secret-lives-of-baby-fish-amy-mcdermott Coral reef fish, like the yellow tang surgeonfish, begin life in a fascinating and weird way – as tiny floating larvae! These babies are capable of drifting thousands
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08:12
The Family Structure Of Elephants - Caitlin O'Connell-Rodwell

693 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-family-structure-of-elephants-caitlin-o-connell-rodwell Biologist Caitlin O'Connell-Rodwell has come to one big conclusion from her last twenty years studying elephants -- they're just like us. In this TEDYo
05:43
These companies with no CEO are thriving

134 views / 0 likes - added 1 year ago

Get to know the different kinds of co-ops, how they work, and how they differ from traditional companies. --Co-ops are a big part of the global economy: they employ 10% of the worlds workforce and over two trillion dollars flow through their doors every y
03:55 Popular
Mansa Musa, One Of The Wealthiest People Who Ever Lived - Jessica Smith

909 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/mansa-musa-one-of-the-wealthiest-people-who-ever-lived-jessica-smith Mansa Musa, the 14th century African king of the Mali Empire, is said to have amassed a fortune that possibly made him one of the wealthiest p
05:04 Popular
The genius of Marie Curie - Shohini Ghose

1,021 views / 7 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/the-genius-of-marie-curie-shohini-ghose Marie Skłodowska Curie’s revolutionary research laid the groundwork for our understanding of physics and chemistry, blazing trails in oncology, technology, medicine, and n
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05:20
Can you steal the most powerful wand in the wizarding world? - Dan Finkel

180 views / 0 likes - added 1 year ago

Practice more problem-solving at https://brilliant.org/TedEd--The fabled Mirzakhani wand is the most powerful magical item ever created. And thats why the evil wizard Moldevort is planning to use it to conquer the world. You and Drumbledrore have finally
05:14
How To Fossilize...yourself - Phoebe A. Cohen

560 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/how-to-fossilize-yourself-phoebe-a-cohen You can aspire to great things in life, but how about in death? Could you be one of the world's greatest fossils many years from now? To ensure being found by a future pa
04:20
The ferocious predatory dinosaurs of Cretaceous Sahara - Nizar Ibrahim

609 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/the-ferocious-predatory-dinosaurs-of-cretaceous-sahara-nizar-ibrahim In Cretaceous times (around 100 million years ago), North Africa was home to a huge river system and a bizarre menagerie of giant prehistoric
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04:34 Popular
Under The Hood: The Chemistry Of Cars - Cynthia Chubbuck

799 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/under-the-hood-the-chemistry-of-cars-cynthia-chubbuck There are over one billion cars in the world right now, getting people from point A to point B. But cars aren't just a mode of transportation; they also teac
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05:24 Popular
Can you solve the pirate riddle? - Alex Gendler

1,823 views / 3 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/can-you-solve-the-pirate-riddle-alex-gendler It’s a good day to be a pirate. Amaro and his four mateys – Bart, Charlotte, Daniel, and Eliza have struck gold – a chest with 100 coins. But now, they must divvy up
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04:41 Popular
The Scientific Origins Of The Minotaur - Matt Kaplan

791 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-scientific-origins-of-the-minotaur-matt-kaplan The myth of the Minotaur tells the story of an enraged beast forever wandering the corridors of a damp labyrinth, filled with a rage so intense that its deafeni
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What’s The Big Deal With Gluten? - William D. Chey

672 views / 0 likes - added 9 years ago

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 ca
03:42 Popular
How Many Ways Can You Arrange A Deck Of Cards? - Yannay Khaikin

769 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/how-many-ways-can-you-arrange-a-deck-of-cards-yannay-khaikin One deck. Fifty-two cards. How many arrangements? Let's put it this way: Any time you pick up a well shuffled deck, you are almost certainly holding a
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06:35 Popular
A glimpse of teenage life in ancient Rome - Ray Laurence

1,203 views / 3 likes - added 6 years ago

View full lesson: http://ed.ted.com/lessons/a-glimpse-of-teenage-life-in-ancient-rome-ray-laurence Welcome to the world of Lucius Popidius Secundus, a 17-year old living in Rome in 73 AD. His life is a typical one of arranged marriages, coming-of-age fest
05:44
The diseases that changed humanity forever - Dan Kwartler

101 views / 0 likes - added 6 months ago

Explore the history of humanitys deadliest diseases, and find out how our progress and innovation exposed us to new pathogens.--Since humanitys earliest days, weve been plagued by countless disease-causing pathogens. Invisible and persistent, these microo
05:03
How to enter flow state

111 views / 0 likes - added 10 months ago

Explore the defining features of being in a flow state, and get tips on how you can find flow in your daily life.--Flow is more than just concentrating or paying attention; it's a unique mental state of effortless engagement. And those who more frequently
05:45
How the famous Three Sisters survived - Rebecca Webster

44 views / 0 likes - added 3 months ago

Get to know the story of the Three Sisters, and what we can learn about sustainably growing food from Indigenous practices.--Suffering illness and despair, Chief Handsome Lake prepared for death. Then, he had a vision. He was walking through a planted fie
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Why is it so hard to break a bad habit?

138 views / 0 likes - added 9 months ago

Explore the psychology behind how good and bad habits are formed, and get tips on how to manage these behaviors.--Many people deal with a nail-biting habit at some point in their lives. Some will go to great lengths to try to stop, employing strategies li
04:31
How do gas masks actually work? - George Zaidan

35 views / 0 likes - added 1 month ago

Explore the science behind how gas masks work, and how the technology protects us from airborne threats and pollutants.--You might think of gas masks as clunky military-looking devices. But in the near future, we may need to rely on these filters as part
04:31
How do gas masks actually work? - George Zaidan

40 views / 0 likes - added 1 month ago

Explore the science behind how gas masks work, and how the technology protects us from airborne threats and pollutants.--You might think of gas masks as clunky military-looking devices. But in the near future, we may need to rely on these filters as part
05:03 Popular
How do airplanes actually fly? - Raymond Adkins

756 views / 0 likes - added 1 year ago

Explore the physics of flight, and discover how aerodynamic lift generates the force needed for planes to fly.--By 1917, Albert Einstein had explained the relationship between space and time. But, that year, he designed a flawed airplane wing. His attempt
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03:39 Popular
What You Might Not Know About The Declaration Of Independence - Kenneth C. Davis

895 views / 2 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/what-you-might-not-know-about-the-declaration-of-independence-kenneth-c-davis In June 1776, a little over a year after the start of the American Revolutionary War, the US Continental Congress huddled together in
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03:48 Popular
What Is The Shape Of A Molecule? - George Zaidan And Charles Morton

1,442 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/what-is-the-shape-of-a-molecule-george-zaidan-and-charles-morton A molecule is nearly all empty space, apart from the extremely dense nuclei of its atoms and the clouds of electrons that bond them together. When
04:13 Popular
The Past, Present And Future Of The Bubonic Plague - Sharon N. DeWitte

766 views / 1 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/the-past-present-and-future-of-the-bubonic-plague-sharon-n-dewitte The bubonic plague, which killed around 1/5 of the world’s population in the 14th century, is still around today -- but it now claims only a few
05:58 Popular
Light Waves, Visible And Invisible - Lucianne Walkowicz

1,529 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/light-waves-visible-and-invisible-lucianne-walkowicz Each kind of light has a unique wavelength, but human eyes can only perceive a tiny slice of the full spectrum -- the very narrow range from red to violet. Mi
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The Fight For The Right To Vote In The United States - Nicki Beaman Griffin

594 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-fight-for-the-right-to-vote-in-the-united-states-nicki-beaman-griffin In the United States today, if you are over eighteen, a citizen, and the resident of a state, you can vote (with some exceptions). So, ho
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Einstein's Brilliant Mistake: Entangled States - Chad Orzel

681 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/einstein-s-brilliant-mistake-entangled-states-chad-orzel When you think about Einstein and physics, E=mc^2 is probably the first thing that comes to mind. But one of his greatest contributions to the field actua
03:33 Popular
Football Physics: The

889 views / 3 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/football-physics-the-impossible-free-kick-erez-garty In 1997, Brazilian football player Roberto Carlos set up for a 35 meter free kick with no direct line to the goal. Carlos’s shot sent the ball flying wide of
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The best way to apologize (according to science)

140 views / 0 likes - added 1 year ago

Explore what to do and not to do in order to deliver an authentic apology and make amends in a variety of situations.--Over the years, people have come up with some truly awful apologies. From classic non-apologies, to evasive excuses, and flimsy corporat
04:14 Popular
How A Single-celled Organism Almost Wiped Out Life On Earth - Anusuya Willis

1,895 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/how-a-single-celled-organism-almost-wiped-out-life-on-earth-anusuya-willis There’s an organism that changed the world. It caused the first mass extinction in Earth’s history … and also paved the way for complex
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04:34 Popular
How to master your sense of smell - Alexandra Horowitz

809 views / 1 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/how-to-master-your-sense-of-smell-alexandra-horowitz Some perfumers can distinguish individual odors in a fragrance made of hundreds of scents; tea-experts have been known to sniff out the exact location of a pa
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04:47 Popular
Music And Creativity In Ancient Greece - Tim Hansen

1,162 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/music-and-creativity-in-ancient-greece-tim-hansen You think you love music? You have nothing on the Ancient Greek obsession. Every aspect of Greek life was punctuated by song: history, poetry, theater, sports an
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04:52 Popular
Particles And Waves: The Central Mystery Of Quantum Mechanics - Chad Orzel

825 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/particles-and-waves-the-central-mystery-of-quantum-mechanics-chad-orzel One of the most amazing facts in physics is that everything in the universe, from light to electrons to atoms, behaves like both a particle
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Mysteries Of Vernacular: Lady - Jessica Oreck And Rachael Teel

608 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/mysteries-of-vernacular-lady-jessica-oreck-and-rachael-teel Why do we call women ladies? Well, etymologically-speaking, the word comes from the Old English words for hlaf (bread) and daege (maid), which, combine
04:34 Popular
What Is Metallic Glass? - Ashwini Bharathula

1,354 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/what-is-metallic-glass-ashwini-bharathula Steel and plastic are essential to much of our infrastructure and technology. Steel is strong and hard, but difficult to shape intricately. Plastic can take on just abou
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05:03 Popular
Why Don't Oil And Water Mix? - John Pollard

1,134 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/why-don-t-oil-and-water-mix-john-pollard Salt dissolves in water; oil does not. But why? You can think of that glass of water as a big, bumpin' dance party where the water molecules are always switching dance pa
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04:33 Popular
Why Wasn’t The Bill Of Rights Originally In The US Constitution? - James Coll

844 views / 4 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/why-wasn-t-the-bill-of-rights-originally-in-the-us-constitution-james-coll When you think of the US Constitution, what’s the first thing that comes to mind? Free speech? The right to bear arms? These passages ar
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04:39 Popular
What's the fastest way to alphabetize your bookshelf? - Chand John

814 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/what-s-the-fastest-way-to-alphabetize-your-bookshelf-chand-john You work at the college library. You’re in the middle of a quiet afternoon when suddenly, a shipment of 1,280 books arrives. The books are in a str
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03:18 Popular
Let's Make History…by Recording It - StoryCorps & TED Prize

804 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/let-s-make-history-by-recording-it-storycorps-ted-prize Download the StoryCorps app here: http://ow.ly/UZarA What if Anne Frank hadn’t kept a diary? What if no one could listen to Martin Luther King’s Mountainto
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Debunking The Myths Of OCD - Natascha M. Santos

1,734 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/debunking-the-myths-of-ocd-natascha-m-santos There’s a common misconception that if you like to meticulously organize your things, keep your hands clean, or plan out your weekend to the last detail, you might be
05:08 Popular
Why The Metric System Matters - Matt Anticole

1,598 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/why-the-metric-system-matters-matt-anticole For the majority of recorded human history, units like the weight of a grain or the length of a hand weren’t exact and varied from place to place. Now, consistent meas
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05:23
How the water you flush becomes the water you drink - Francis de los Reyes

145 views / 0 likes - added 9 months ago

Explore the science of wastewater treatment, and find out why water reuse has become increasingly common worldwide.--In 2003, Singapores national water agency launched an unprecedented program to provide more than 50% of their nations water supply by recy
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RNAi: Slicing, Dicing And Serving Your Cells - Alex Dainis

713 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/rnai-slicing-dicing-and-serving-your-cells-alex-dainis RNA, the genetic messenger, makes sure the DNA recipe gives your cells exactly what they ordered. But sometimes that means inhibiting some other RNA that go
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Why your phone battery gets worse over time - George Zaidan

91 views / 0 likes - added 10 months ago

Explore the science of why single-use and rechargeable batteries die, and find out why recycling batteries can be challenging.--Almost all batteries, even single-use batteries, are theoretically rechargeable. Thats because the metals and other chemicals a
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How Brain Parasites Change Their Host's Behavior - Jaap De Roode

795 views / 1 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/how-parasites-change-their-host-s-behavior-jaap-de-roode The biggest challenge in a parasite’s life is to move from one host to another. Intriguingly, many parasites have evolved the ability to manipulate the be
04:33 Popular
Plato’s Allegory Of The Cave - Alex Gendler

1,049 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/plato-s-allegory-of-the-cave-alex-gendler Twenty four hundred years ago, Plato, one of history’s most famous thinkers, said life is like being chained up in a cave forced to watch shadows flitting across a stone
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04:40 Popular
Why Is Bread Fluffy, Vinegar Sour, And Swiss Cheese Holey? - Erez Garty

1,328 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/why-is-bread-fluffy-vinegar-sour-and-swiss-cheese-holey-erez-garty Where does bread get its fluffiness? Swiss cheese its holes? And what makes vinegar so sour? These foods may taste completely different, but all
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05:46
Why you procrastinate even when it feels bad

300 views / 0 likes - added 1 year ago

Explore what happens in the brain to trigger procrastination, and what strategies you can use to break the cycle of this harmful practice.--The report youve been putting off is due tomorrow. Its time to buckle down, open your computer ... and check your p
02:40 Popular
The Loathsome, Lethal Mosquito - Rose Eveleth

1,232 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-loathsome-lethal-mosquito-rose-eveleth Everyone hates mosquitos. Besides the annoying buzzing and biting, mosquito-borne diseases like malaria kill over a million people each year (plus horses, dogs and cats
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04:33 Popular
What Is Leukemia? - Danilo Allegra And Dania Puggioni

933 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/what-is-leukemia-danilo-allegra-and-dania-puggioni Stem cells found in the bone marrow are crucial for our health because they are needed to become new blood cells that sustain and protect our bodies. But when t
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Whats the smartest age? - Shannon Odell

373 views / 0 likes - added 1 year ago

At what age are you smartest? Dig into how your brain development affects your skills at different stages of your life.--Tomorrow is the annual Brain Clash a decathlon of mental challenges, trivia competitions, and puzzles. Amir needs a smart and capable
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What happens during a heart attack? - Krishna Sudhir

1,690 views / 1 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/what-happens-during-a-heart-attack-krishna-sudhir Approximately seven million people around the world die from heart attacks every year. And cardiovascular disease, which causes heart attacks and other problems
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The history of the Cuban Missile Crisis - Matthew A. Jordan

846 views / 1 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/the-history-of-the-cuban-missile-crisis-matthew-a-jordan Imagine going about your life knowing that, at any given moment, you and everyone you know could be wiped out without warning at the push of a button. Thi
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Can you solve the cursed dice riddle? - Dan Finkel

125 views / 0 likes - added 9 months ago

Practice more problem-solving at https://brilliant.org/TedEd--Ah, spring. As Demeter, Goddess of the Harvest, its your favorite season. Humans and animals look to you to balance the bounty of the natural world which, like any self-respecting Goddess, you
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Is light a particle or a wave? - Colm Kelleher

1,629 views / 0 likes - added 6 years ago

View full lesson: http://ed.ted.com/lessons/is-light-a-particle-or-a-wave-colm-kelleher Can we accurately describe light as exclusively a wave or just a particle? Are the two mutually exclusive? In this third part of his series on light and color, Colm Ke
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What Creates A Total Solar Eclipse? - Andy Cohen

879 views / 4 likes - added 8 years ago

View full lesson here: http://ed.ted.com/lessons/what-creates-a-total-solar-eclipse-andy-cohen How can the shadow of the tiny moon eclipse the sight of the gargantuan sun? By sheer coincidence, the disc of the sun is 400x larger than the disc of the moon,
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04:40
The Death Of The Universe - Renée Hlozek

574 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-death-of-the-universe-renee-hlozek The shape, contents and future of the universe are all intricately related. We know that it's mostly flat; we know that it's made up of baryonic matter (like stars and plan
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Should you donate your DNA to help cure diseases? - Greg Foot

219 views / 1 likes - added 3 years ago

Discover how scientists are using crowdsourced DNA to find the causes of untreatable diseases, and developing new drug treatments for them.--When scientists don't know the cause of a medical condition, developing a drug treatment takes significant trial a
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A Trip Through Space To Calculate Distance - Heather Tunnell

1,035 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/a-trip-through-space-to-calculate-distance-heather-tunnell Imagine two aliens racing across outer space to their moon. Who can we deem the fastest alien? With DIRT -- or the equation Distance = Rate x Time -- we
23:43
Retro Cartoon Network | Christmas Compilation

507 views / 1 likes - added 6 years ago

Christmas Classics from: - Johnny Bravo - Dexter's Laboratory - I am Weasel - Ed, Edd, n' Eddy Watch more videos on the go, get the Cartoon Network’s Watch And Play app here: http://itunes.apple.com/au/app/cartoon-network-watch-play/id700390966?mt=8 Check
04:54 Popular
The Science Of Skin Color - Angela Koine Flynn

1,091 views / 0 likes - added 8 years ago

View full lesson: https://ed.ted.com/lessons/the-science-of-skin-color-angela-koine-flynn When ultraviolet sunlight hits our skin, it affects each of us differently. Depending on skin color, it’ll take only minutes of exposure to turn one person beetroot-
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04:51
How to manage your emotions

178 views / 0 likes - added 1 year ago

Explore the framework known as the Process Model, a psychological tool to help you identify, understand, and regulate your emotions.--After a week of studying, you feel confident that you'll ace your exam. But when you get your grade back, it's much lower
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Did Shakespeare Write His Plays? - Natalya St. Clair And Aaron Williams

1,097 views / 1 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/did-shakespeare-write-his-plays-natalya-st-clair-and-aaron-williams Some people question whether Shakespeare really wrote the works that bear his name – or whether he even existed at all. Could it be true that t
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05:25
How To Build A Fictional World - Kate Messner

672 views / 2 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/how-to-build-a-fictional-world-kate-messner Why is J.R.R. Tolkien's Lord of the Rings trilogy so compelling? How about The Matrix or Harry Potter? What makes these disparate worlds come alive are clear, consiste
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The Haber Process - Daniel D. Dulek

1,096 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-chemical-reaction-that-feeds-the-world-daniel-d-dulek How do we grow crops quickly enough to feed the Earth's billions? It's called the Haber process, which turns the nitrogen in the air into ammonia, easily
04:32 Popular
How Blood Pressure Works - Wilfred Manzano

1,897 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/how-blood-pressure-works-wilfred-manzano If you lined up all the blood vessels in your body, they’d be 60 thousand miles long. And every day, they carry the equivalent of over two thousand gallons of blood to th
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04:33 Popular
The Most Groundbreaking Scientist You've Never Heard Of - Addison Anderson

720 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-most-groundbreaking-scientist-you-ve-never-heard-of-addison-anderson Seventeenth-century Danish geologist Nicolas Steno earned his chops at a young age, studying cadavers and drawing anatomic connections bet
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The Real Story Behind Archimedes’ Eureka! - Armand D'Angour

1,731 views / 1 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/the-real-story-behind-archimedes-eureka-armand-d-angour When you think of Archimedes’ Eureka moment, you probably imagine a man in a bathtub, right? As it turns out, there's much more to the story. Armand D'Ango
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The Egyptian Book of the Dead: A guidebook for the underworld - Tejal Gala

720 views / 1 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/the-egyptian-book-of-the-dead-tejal-gala Ancient Egyptians believed that in order to become immortal after death, a spirit must first pass through the underworld — a realm of vast caverns, lakes of fire, and mag
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The Higgs Field, Explained - Don Lincoln

775 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-higgs-field-explained-don-lincoln One of the most significant scientific discoveries of the early 21st century is surely the Higgs boson, but the boson and the Higgs Field that allows for that magic particle
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Rosalind Franklin: DNA's Unsung Hero - Cláudio L. Guerra

1,060 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/rosalind-franklin-dna-s-unsung-hero-claudio-l-guerra The discovery of the structure of DNA was one of the most important scientific achievements in human history. The now-famous double helix is almost synonymous
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The exceptional life of Benjamin Banneker - Rose-Margaret Ekeng-Itua

936 views / 9 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/the-exceptional-life-of-benjamin-banneker-rose-margaret-ekeng-itua Born in 1731 to freed slaves on a farm in Baltimore, Benjamin Banneker was obsessed with math and science. And his appetite for knowledge only g
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The Origins Of Ballet - Jennifer Tortorello And Adrienne Westwood

866 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-origins-of-ballet-jennifer-tortorello-and-adrienne-westwood Can you imagine a party where every movement and every visual detail were governed by a complex system of rules and procedures? For centuries, such
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What happens if you dont put your phone in airplane mode? - Lindsay DeMarchi

168 views / 1 likes - added 10 months ago

Dig into how airplane mode works, and find out why its still important to use the setting when you fly.--Right now, invisible signals are flying through the air all around you. Massive radio waves carry information between computers, GPS systems, cell pho
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The Coelacanth: A Living Fossil Of A Fish - Erin Eastwood

1,082 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/the-coelacanth-a-living-fossil-of-a-fish-erin-eastwood The coelacanth, a prehistoric fish that was mistakenly thought to have gone extinct at the same time as the dinosaurs, has managed to stick around our seas
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How Exposing Anonymous Companies Could Cut Down On Crime - Global Witness

707 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/how-exposing-anonymous-companies-could-cut-down-on-crime-global-witness Companies are artificial entities created to allow real people to do business. But, unfortunately, there are some types of companies that a
04:59 Popular
How Do Solar Panels Work? - Richard Komp

1,900 views / 3 likes - added 8 years ago

View full lesson: https://ed.ted.com/lessons/how-do-solar-panels-work-richard-komp The Earth intercepts a lot of solar power: 173,000 terawatts. That’s 10,000 times more power than the planet’s population uses. So is it possible that one day the world cou
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03:30 Popular
Rhythm In A Box: The Story Of The Cajon Drum - Paul Jennings

851 views / 1 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/rhythm-in-a-box-the-story-of-the-cajon-drum-paul-jennings Many modern musical instruments are complicated pieces of machinery with many moving parts. But the cajon is simply a drum and a stand and a seat all in
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What Can Schrödinger's Cat Teach Us About Quantum Mechanics? - Josh Samani

793 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/what-can-schrodinger-s-cat-teach-us-about-quantum-mechanics-josh-samani The classical physics that we encounter in our everyday, macroscopic world is very different from the quantum physics that governs systems
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Mysteries Of Vernacular: Ukulele - Jessica Oreck And Rachael Teel

534 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/mysteries-of-vernacular-ukulele-jessica-oreck-and-rachael-teel When 19th century Portuguese travelers landed in Hawaii with a small four-stringed guitar, a member of the king's court, nicknamed Jumping Flea, or
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Does math have a major flaw? - Jacqueline Doan and Alex Kazachek

18 views / 0 likes - added 1 month ago

Practice more problem-solving at https://brilliant.org/teded--A mathematician with a knife and ball begins slicing and distributing the ball into an infinite number of boxes. She then recombines the parts into five precise sections. Moving and rotating th
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Why Tragedies Are Alluring - David E. Rivas

624 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/why-tragedies-are-alluring-david-e-rivas The story goes something like this: A royal, rich, or righteous individual — who is otherwise a lot like us — makes a mistake that sends his or her life spiraling into ru
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Can you solve the magical maze riddle? - Alex Rosenthal

59 views / 0 likes - added 3 months ago

Practice more problem-solving at https://brilliant.org/TedEd--Today is the annual wizard tournament featuring competitors from three schools, and youre in charge. The wizards have entered the maze and compete in your chosen events in utmost secrecy; only
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Is Our Climate Headed For A Mathematical Tipping Point? - Victor J. Donnay

635 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/is-our-climate-headed-for-mathematical-chaos-victor-j-donnay Scientists have warned that as CO2 levels in the atmosphere rise an increase in Earth’s temperature by even two degrees could lead to catastrophic eff
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Can You Solve The Frog Riddle? - Derek Abbott

1,721 views / 2 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/can-you-solve-the-frog-riddle-derek-abbott You’re stranded in a rainforest, and you’ve eaten a poisonous mushroom. To save your life, you need an antidote excreted by a certain species of frog. Unfortunately, on
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Bird Migration, A Perilous Journey - Alyssa Klavans

981 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/bird-migration-a-perilous-journey-alyssa-klavans Nearly 200 species of songbirds migrate south for winter, some traveling up to 7,000 miles. No easy task, the annual journey is dangerous to birds due to landscap
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The History Of The Barometer (and How It Works) - Asaf Bar-Yosef

1,172 views / 2 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/the-history-of-the-barometer-and-how-it-works-asaf-bar-yosef A barometer is an instrument that measures air pressure, allowing weather forecasters and scientists to better predict extreme weather events. Despite
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04:56 Popular
How to squeeze electricity out of crystals - Ashwini Bharathula

1,126 views / 2 likes - added 6 years ago

View full lesson: http://ed.ted.com/lessons/how-to-squeeze-electricity-out-of-crystals-ashwini-bharathula It might sound like science fiction, but if you press on a crystal of sugar, it will actually generate its own electricity. This simple crystal can a
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How one scientist averted a national health crisis - Andrea Tone

457 views / 0 likes - added 6 years ago

TED wants to promote student ideas! Learn more here: http://bit.ly/2M7hd87 View full lesson: https://ed.ted.com/lessons/how-one-scientist-averted-a-national-health-crisis-andrea-tone In 1960, Frances Kelsey was one of the Food and Drug Administration’s ne
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What really caused the Irish Potato Famine - Stephanie Honchell Smith

102 views / 0 likes - added 7 months ago

Dig into what caused the Irish potato famine, and explore how the UK governments response turned the crisis into a catastrophe.--For over 200 years, potatoes thrived in Ireland; roughly half the countrys residents lived almost entirely on potatoes. But wh
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Feedback Loops: How Nature Gets Its Rhythms - Anje-Margriet Neutel

1,856 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/feedback-loops-how-nature-gets-its-rhythms-anje-margriet-neutel While feedback loops are a bummer at band practice, they are essential in nature. What does nature’s feedback look like, and how does it build the
04:12 Popular
The left brain vs. right brain myth - Elizabeth Waters

1,135 views / 2 likes - added 6 years ago

View full lesson: https://ed.ted.com/lessons/the-left-brain-vs-right-brain-myth-elizabeth-waters The human brain is visibly split into a left and right side. This structure has inspired one of the most pervasive ideas about the brain: that the left side c
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04:36
The Origin Of Countless Conspiracy Theories - PatrickJMT

531 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-origin-of-countless-conspiracy-theories-patrickjmt Check out PatrickJMT's YouTube channel here: https://www.youtube.com/user/patrickJMT Why can we find geometric shapes in the night sky? How can we know that
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The Physics Of the Most Difficult Ballet Move

825 views / 1 likes - added 8 years ago

In the third act of "Swan Lake", the Black Swan pulls off a seemingly endless series of turns, bobbing up and down on one pointed foot and spinning around and around and around ... thirty-two times. How is this move — which is called a fouetté
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Got Seeds? Now Add Bleach, Acid And Sandpaper - Mary Koga

1,331 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/got-seeds-just-add-bleach-acid-and-sandpaper-mary-koga For a seed to start growing, its embryo must emerge from its hard coat. In nature the embryo is aided by frost and animal digestion -- but humans can help t
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What happens to our bodies after we die? - Farnaz Khatibi Jafari

685 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/what-happens-to-our-bodies-after-we-die-farnaz-khatibi-jafari Since the dawn of humanity, an estimated 100.8 billion people have lived and died, a number that increases by about 0.8% of the world’s population ea
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The Surprising Reason You Feel Awful When You're Sick - Marco A. Sotomayor

905 views / 1 likes - added 8 years ago

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
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01:55
Mysteries Of Vernacular: Yankee - Jessica Oreck And Rachael Teel

579 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/mysteries-of-vernacular-yankee-jessica-oreck-and-rachael-teel Is it a doodle dandy? A baseball team? The origins of the word yankee are unclear, though its usage in America as a pejorative is well-documented. Je
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How We Conquered The Deadly Smallpox Virus - Simona Zompi

932 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/how-we-conquered-the-deadly-smallpox-virus-simona-zompi For 10,000 years, humanity suffered from the scourge of smallpox. The virus killed almost a third of its victims within two weeks and left survivors horrib
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04:47 Popular
Who Won The Space Race? - Jeff Steers

821 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/what-was-the-point-of-the-space-race-jeff-steers On October 4, 1957, the Soviet Union launched the satellite Sputnik and, with it, an international space race. The United States and the Soviet Union rushed to de
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How Did Clouds Get Their Names? - Richard Hamblyn

890 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/how-did-clouds-get-their-names-richard-hamblyn The study of clouds has always been a daydreamer’s science, aptly founded by a thoughtful young man whose favorite activity was staring out of the window at t
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05:15
How does caffeine keep us awake? - Hanan Qasim

644 views / 0 likes - added 6 years ago

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, focus
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How To Create Cleaner Coal - Emma Bryce

800 views / 0 likes - added 9 years ago

View full lesson here: http://ed.ted.com/lessons/how-to-create-cleaner-coal-emma-bryce It takes a lot of fuel to heat our homes, preserve our food, and power our gadgets. And for 40 percent of the world, cheap, plentiful coal gets the job done. But coal a
05:43 Popular
What do these recycling numbers actually mean? - Shannon Odell

1,475 views / 3 likes - added 7 months ago

Dig into the biggest problems facing our current plastic recycling process, and explore potential solutions to these systems. --If youve ever looked at the bottom of a disposable bottle or cup, youve probably noticed a recycling symbol. Seeing this, many
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04:28 Popular
Will the ocean ever run out of fish? - Ayana Elizabeth Johnson and Jennifer Jacquet

775 views / 1 likes - added 6 years ago

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
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05:16
How to make smart decisions more easily

103 views / 0 likes - added 6 months ago

Explore the psychology of decision fatigue, what kinds of choices lead us to this state and what we can do to fight it.--Everything our bodies do whether physical or mental uses energy. Studies have found that many individuals seem to have a daily thresho
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The Physics Of Playing Guitar - Oscar Fernando Perez

1,165 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-physics-of-playing-guitar-oscar-fernando-perez Guitar masters like Jimi Hendrix are capable of bending the physics of waves to their wills, plucking melody from inspiration and vibration. But how do wood, me
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03:48 Popular
The Strengths And Weaknesses Of Acids And Bases - George Zaidan And Charles Morton

956 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-strengths-and-weaknesses-of-acids-and-bases-george-zaidan-and-charles-morton Vinegar may have a powerful smell, but did you know it's actually a weak acid? In the chemical economy, acids actively give away t
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The year without summer - David Biello

134 views / 0 likes - added 1 year ago

Dig into geoengineering, which uses technology to manipulate Earths environments to counteract climate change.--In 1815, Mount Tambora erupted and its emissions spread across the globe, blotting out the sun for almost an entire year. This wreaked havoc on
05:26 Popular
What Happens When You Remove The Hippocampus? - Sam Kean

803 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/what-happens-when-you-remove-the-hippocampus-sam-kean When Henry Molaison (now widely known as H.M.) cracked his skull in an accident, he began blacking out and having seizures. In an attempt to cure him, darede
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Four Ways To Understand The Earth's Age - Joshua M. Sneideman

2,199 views / 2 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-earth-s-age-in-measurements-you-can-understand-joshua-m-sneideman The Earth is 4.6 billion years old -- but how can humans relate to a number so colossal, and where do we fit on the geologic timeline? Compar
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Meet the tardigrade, the toughest animal on Earth - Thomas Boothby

1,026 views / 1 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/meet-the-tardigrade-the-toughest-animal-on-earth-thomas-boothby Without water, a human can only survive for about 100 hours. But there’s a creature so resilient that it can go without it for decades. This
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Why The War on Drugs Is a Huge Failure

127 views / 1 likes - added 8 months ago

The war against drugs has been a terrible disaster for everybody involved. Why? And can we do something differently?Check out the Stop The Harm campaign: https://stoptheharm.orgOUR CHANNELSGerman Channel: https://kgs.link/youtubeDE Spanish Channel: https:
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Comparative Anatomy: What Makes Us Animals - Crash Course Biology #21

1,764 views / 0 likes - added 9 years ago

Hank introduces us to comparative anatomy, which studies the similarities and differences in animal anatomy to support the theory of evolution and the shared ancestry of living things. Crash Course Biology is now available on DVD! http://dft.ba/-8css Like
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How the food you eat affects your gut - Shilpa Ravella

880 views / 1 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/how-the-food-you-eat-affects-your-gut-shilpa-ravella The bacteria in our guts can break down food the body can’t digest, produce important nutrients, regulate the immune system, and protect against harmful germs
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Would you sacrifice one person to save five? - Eleanor Nelsen

704 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/would-you-sacrifice-one-person-to-save-five-eleanor-nelsen Imagine you’re watching a runaway trolley barreling down the tracks, straight towards five workers. You happen to be standing next to a switch that will
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How To Make Your Writing Funnier - Cheri Steinkellner

751 views / 0 likes - added 8 years ago

View full lesson: https://ed.ted.com/lessons/how-to-make-your-writing-funnier-cheri-steinkellner Did you ever notice how many jokes start with “Did you ever notice?” And what’s the deal with “What’s the deal?” There’s a lot of funny to be found simply by
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Whats the best country to live in?

185 views / 0 likes - added 1 year ago

Discover the shortcomings of using GDP to measure a countrys well-being, and what alternatives can be used to gauge quality of life.--Whats the best country to live in? Is it the one with the best food? The longest life expectancy? The best weather? For t
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This one weird trick will get you infinite gold - Dan Finkel

178 views / 1 likes - added 1 year ago

Practice more problem-solving at https://brilliant.org/TedEd--A few years ago, the king decided your life would be forfeit unless you tripled the gold coins in his treasury. Fortunately, a strange little man appeared and magically performed the feat. Unfo
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How do US Supreme Court justices get appointed? - Peter Paccone

528 views / 1 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/how-do-us-supreme-court-justices-get-appointed-peter-paccone There’s a job out there with a great deal of power, pay, prestige, and near-perfect job-security. And there’s only one way to be hired: get appointed
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Is There A Disease That Makes Us Love Cats? - Jaap De Roode

1,296 views / 4 likes - added 7 years ago

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 th
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How Did Hitler Rise To Power? - Alex Gendler And Anthony Hazard

1,111 views / 5 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/how-did-hitler-rise-to-power-alex-gendler-and-anthony-hazard Decades after the fall of the Third Reich, it feels impossible to understand how Adolf Hitler, the tyrant who orchestrated one of the largest genocide
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Gyotaku: The Ancient Japanese Art Of Printing Fish - K. Erica Dodge

923 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/gyotaku-the-ancient-japanese-art-of-printing-fish-k-erica-dodge How did fishermen record their trophy catches before the invention of photography? In 19th century Japan, fishing boats were equipped with rice pap
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Can You Solve The Control Room Riddle? - Dennis Shasha

1,082 views / 3 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/can-you-solve-the-control-room-riddle-dennis-shasha As your country's top spy, you must infiltrate the headquarters of the evil syndicate, find the secret control panel, and deactivate their death ray. But your
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Are solar panels worth it? - Shannon Odell

177 views / 0 likes - added 11 months ago

Explore how solar units can help you save money on energy costs, and the most common challenges of switching to solar power.--Today in many countries solar is the cheapest form of energy to produce. Millions of homes are equipped with rooftop solar, with
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How did Dracula become the world's most famous vampire? - Stanley Stepanic

840 views / 1 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/how-did-dracula-become-the-world-s-most-famous-vampire-stanley-stepanic Over a hundred years after his creator was laid to rest, Dracula lives on as the most famous vampire in history. But this Transylvanian nob
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Learning From Smallpox: How To Eradicate A Disease - Julie Garon And Walter A. Orenstein

771 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/learning-from-smallpox-how-to-eradicate-a-disease-julie-garon-and-walter-a-orenstein For most of human history, we have sought to treat and cure diseases. But only in recent decades did it become possible to ens
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Why It’s So Hard To Cure HIV/AIDS - Janet Iwasa

1,044 views / 2 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/why-it-s-so-hard-to-cure-hiv-aids-janet-iwasa In 2008, something incredible happened: a man was cured of HIV. In over 70 million HIV cases, this was a first, and, so far, a last, and we don’t yet understand exac
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Why The Arctic Is Climate Change's Canary In The Coal Mine - William Chapman

992 views / 2 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/why-the-arctic-is-climate-change-s-canary-in-the-coal-mine-william-chapman The Arctic may seem like a frozen and desolate environment where nothing ever changes. But the climate of this unique and remote region
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Nature's Smallest Factory: The Calvin Cycle - Cathy Symington

1,122 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/nature-s-smallest-factory-the-calvin-cycle-cathy-symington A hearty bowl of cereal gives you the energy to start your day, but how exactly did that energy make its way into your bowl? It all begins with photosyn
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Could we survive prolonged space travel?

755 views / 2 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/could-we-survive-prolonged-space-travel-lisa-nip Prolonged space travel plays a severe toll on the human body: microgravity impairs muscle and bone growth, and high doses of radiation cause irreversible mutation
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Why Does Ice Float In Water? - George Zaidan And Charles Morton

1,142 views / 3 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/why-does-ice-float-in-water-george-zaidan-and-charles-morton Water is a special substance for several reasons, and you may have noticed an important one right in your cold drink: ice. Solid ice floats in liquid
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The Turing Test: Can A Computer Pass For A Human? - Alex Gendler

1,143 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-turing-test-can-a-computer-pass-for-a-human-alex-gendler What is consciousness? Can an artificial machine really think? For many, these have been vital considerations for the future of artificial intelligenc
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The rise and fall of the Inca empire - Gordon McEwan

756 views / 2 likes - added 6 years ago

Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/the-rise-and-fall-of-the-inca-empire-gordon-mcewan It was the western hemisphere's largest empire ever, with a population of nearly 10 million subjects.
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The Immortal Cells Of Henrietta Lacks - Robin Bulleri

881 views / 2 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-immortal-cells-of-henrietta-lacks-robin-bulleri Imagine something small enough to float on a particle of dust that holds the keys to understanding cancer, virology, and genetics. Luckily for us, such a thing
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How did trains standardize time in the United States? - William Heuisler

943 views / 0 likes - added 6 years ago

View full lesson: http://ed.ted.com/lessons/how-did-trains-standardize-time-in-the-united-states-william-heuisler If you live in the United States, you may live in the Eastern Standard Time Zone. Or maybe you live in Mountain Standard Time or one of the o
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The Confusing Borders of Lake Constance

487 views / 0 likes - added 7 years ago

If you're sitting on a boat in Lake Constance, are you in three countries at once? Or just in one? Does it even matter? Because strangely, it turns out there are parts of the world where no-one really minds when international borders are not just ignored,
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How Art Can Help You Analyze - Amy E. Herman

1,323 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/how-art-can-help-you-analyze-amy-e-herman Can art save lives? Not exactly, but our most prized professionals (doctors, nurses, police officers) can learn real world skills through art analysis. Studying art like
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Would you pass the wallet test?

198 views / 0 likes - added 1 year ago

Dig into the experiment known as the lost wallet test, and find out the surprising results of this study of honesty.--Picture this: youre working a shift in a hotel lobby when someone approaches the front desk. They found a lost wallet around the corner,
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The True Science of Parallel Universes

377 views / 0 likes - added 6 years ago

Oh, Hey! MinuteEarth! http://youtube.com/minuteearth .........and you can also subscribe to MinutePhysics! MinutePhysics is on Google+ - http://bit.ly/qzEwc6 And facebook - http://facebook.com/minutephysics And twitter - @minutephysics Minute Physics prov
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From The Top Of The Food Chain Down: Rewilding Our World - George Monbiot

1,028 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/from-the-top-of-the-food-chain-down-rewilding-our-world-george-monbiot Our planet was once populated by megafauna, big top-of-the-food-chain predators that played their part in balancing our ecosystems. When tho
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Who built Great Zimbabwe? And why? - Breeanna Elliott

675 views / 1 likes - added 6 years ago

View full lesson: http://ed.ted.com/lessons/who-built-great-zimbabwe-and-why-breeanna-elliott Stretched across a tree-peppered expanse in Southern Africa lies the ruins of Great Zimbabwe, a medieval stone city of astounding wealth. Located in the present-
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The Last Banana: A Thought Experiment In Probability - Leonardo Barichello

2,077 views / 1 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/the-last-banana-a-thought-experiment-in-probability-leonardo-barichello Imagine a game played with two players and two dice: if the biggest number rolled is one, two, three, or four, player 1 wins. If the bigges
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Mysteries Of Vernacular: X-ray - Jessica Oreck And Rachael Teel

738 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/mysteries-of-vernacular-x-ray-jessica-oreck-and-rachael-teel The story of the word X-Ray is one of great thinkers. French philosopher Rene Descartes isolated the letters X, Y and Z to stand for unknowns, and cen
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How Does Cancer Spread Through The Body? - Ivan Seah Yu Jun

1,376 views / 2 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/how-does-cancer-spread-through-the-body-ivan-seah-yu-jun Cancer usually begins with one tumor in a specific area of the body. But if the tumor is not removed, cancer has the ability to spread to nearby organs as
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How do animals experience pain? - Robyn J. Crook

1,320 views / 2 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/how-do-animals-experience-pain-robyn-j-crook Humans know the surprising prick of a needle, the searing pain of a stubbed toe, and the throbbing of a toothache. We can identify many types of pain and have multipl
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The neuroscience of imagination - Andrey Vyshedskiy

656 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/the-neuroscience-of-imagination-andrey-vyshedskiy Imagine, for a second, a duck teaching a French class. A ping-pong match in orbit around a black hole. A dolphin balancing a pineapple. You probably haven’
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How Atoms Bond - George Zaidan And Charles Morton

779 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/how-atoms-bond-george-zaidan-and-charles-morton Atoms can (and do) bond constantly; it's how they form molecules. Sometimes, in an atomic tug-of-war, one atom pulls electrons from another, forming an ionic bond.
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What Did Dogs Teach Humans About Diabetes? - Duncan C. Ferguson

926 views / 2 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/what-did-dogs-teach-humans-about-diabetes-duncan-c-ferguson Diabetes has a history dating back to Ancient Greece. Our treatment of it, however, is more recent and was originally made possible with the help of ma
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The Mystery Of Motion Sickness - Rose Eveleth

1,128 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-mystery-of-motion-sickness-rose-eveleth Although one third of the population suffers from motion sickness, scientists aren't exactly sure what causes it. Like the common cold, it's a seemingly simple problem
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Are ghost ships real? - Peter B. Campbell

772 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/are-ghost-ships-real-peter-b-campbell In 1884, the British steamer “Rumney” crashed into the French ship “Frigorifique.” Seeing their ship filling with water, the French crew climbed aboard the “Rumney.” But as
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Why is Vermeer's "Girl with the Pearl Earring" considered a masterpiece? - James Earle

917 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/why-is-vermeer-s-girl-with-the-pearl-earring-considered-a-masterpiece-james-earle Is she turning towards you or away from you? No one can agree. She’s the subject of Dutch Master Johannes Vermeer’s "Girl with th
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Everything you need to know to read "Frankenstein" - Iseult Gillespie

669 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/everything-you-need-to-know-to-read-mary-shelley-s-frankenstein-iseult-gillespie In 1815, Lord Byron proposed a challenge to a few literary guests he had gathered in his house on Lake Geneva: Who could write the
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What Is Alzheimer's Disease? - Ivan Seah Yu Jun

718 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/what-is-alzheimer-s-disease-ivan-seah-yu-jun Alzheimer's disease is the most common cause of dementia, affecting over 40 million people worldwide. And though it was discovered over a century ago, scientists are
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What Makes The Great Wall Of China So Extraordinary - Megan Campisi And Pen-Pen Chen

1,503 views / 6 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/what-makes-the-great-wall-of-china-so-extraordinary-megan-campisi-and-pen-pen-chen The Great Wall of China is a 13,000-mile dragon of earth and stone that winds its way through the countryside of China. As it tu
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All Of The Energy In The Universe Is... - George Zaidan And Charles Morton

1,221 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/all-of-the-energy-in-the-universe-is-george-zaidan-and-charles-morton The energy in the universe never increases or decreases -- but it does move around a lot. Energy can be potential (like a stretched-out rubbe
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The Unexpected Math Behind Van Gogh's

781 views / 1 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/the-unexpected-math-behind-van-gogh-s-starry-night-natalya-st-clair Physicist Werner Heisenberg said, “When I meet God, I am going to ask him two questions: why relativity? And why turbulence? I really bel
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What would happen if everyone stopped eating meat tomorrow? - Carolyn Beans

144 views / 0 likes - added 8 months ago

Explore the possibilities and challenges of what a vegetarian world could look like if we all immediately stopped eating meat. --Imagine if a wizard of meatless dining suddenly appeared on Earth and with one wave of a wand wiped away all meat from our she
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How does the Nobel Peace Prize work? - Adeline Cuvelier and Toril Rokseth

542 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/how-does-the-nobel-peace-prize-work-adeline-cuvelier-and-toril-rokseth Among the top prestigious awards in the world, the Nobel Peace Prize has honored some of the most celebrated and revered international figur
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When Will The Next Mass Extinction Occur? - Borths, D'Emic, And Pritchard

1,276 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/when-will-the-next-mass-extinction-occur-borths-d-emic-and-pritchard About 66 million years ago, a terrible extinction event wiped out the dinosaurs. But it wasn’t the only event of this kind -- extinctions of v
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The Mighty Mathematics Of The Lever - Andy Peterson And Zack Patterson

1,247 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/the-mighty-mathematics-of-the-lever-andy-peterson-and-zack-patterson Archimedes once said “Give me a place to stand, and I shall move the Earth.” While the idea of a person moving such a huge mass on their own m
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Can you solve the secret assassin society riddle? - Alex Rosenthal

109 views / 0 likes - added 7 months ago

Practice more problem-solving at https://brilliant.org/TedEd--Your agent has infiltrated a life or death poker game in a hidden back room of a grand casino. Your team is on the trail of an elite society of assassins, each of whom carries a signature playi
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Food expiration dates dont mean what you think - Carolyn Beans

880 views / 0 likes - added 1 year ago

Find out what expiration date labels on food actually mean, and discover ways communities and governments can lessen food waste. --Countries around the world waste huge amounts of food every year: roughly a fifth of food items in the US are tossed because
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Why Aren't We Only Using Solar Power? - Alexandros George Charalambides

1,281 views / 3 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/why-aren-t-we-only-using-solar-power-alexandros-george-charalambides Solar power is cheaper and more sustainable than our current coal-fueled power plants, so why haven't we made the switch? The real culprits he
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How did they build the Great Pyramid of Giza? - Soraya Field Fiorio

1,347 views / 0 likes - added 1 year ago

Explore how the ancient Egyptians built the Great Pyramid, a tomb created for Pharaoh Khufu which took over 20 years to complete.--As soon as Pharaoh Khufu ascended the throne circa 2575 BCE, work on his eternal resting place began. The structures archite
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Classic Cartoon Network | ☀️ Summer Compilation

863 views / 0 likes - added 6 years ago

Treat yourself to some classic Cartoon Network shows! 00:00 Codename Kids Next Door 08:48 Dexter's Laboratory 16:38 Ed Edd n' Eddy -- Watch more videos on the go, get the Cartoon Network’s Watch And Play app here: http://itunes.apple.com/au/app/cartoon-ne
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This is what happens when you hit the gas - Shannon Odell

3,248 views / 0 likes - added 9 months ago

Explore the differences between how a cars internal combustion engine and an electric vehicles induction motor use fuel.--In 2015, two men drove a Volkswagen across the US on just over 100 gallons of fuel. Their 81-mile-per-gallon performance doubled the
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