Search Results: "pollution ocean 16 lesson"

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04:27
Deep-sea soft robots

145 views / 0 likes - added 2 years ago

Is the future of deep-sea exploration soft? Researchers have developed a new type of soft robot designed to cope with the crushing pressures at the bottom the ocean. Inspired by the skull of the Mariana Snailfish, the deepest living fish, the researchers
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How The Choices You Make Can Affect Your Genes - Carlos Guerrero-Bosagna

534 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/how-the-choices-you-make-can-affect-your-genes-carlos-guerrero-bosagna Here’s a conundrum: Identical twins originate from the same DNA ... so how can they turn out so different — even in traits that have a signi
03:20 Popular
The Ancient Origins Of The Olympics - Armand D'Angour

1,094 views / 3 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-ancient-origins-of-the-olympics-armand-d-angour Thousands of years in the making, the Olympics began as part of a religious festival honoring the Greek god Zeus in the rural Greek town of Olympia. But how di
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04:39 Popular
The Psychology Behind Irrational Decisions - Sara Garofalo

894 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-psychology-behind-irrational-decisions-sara-garofalo Often people make decisions that are not “rational” from a purely economical point of view — meaning that they don’t necessarily lead to the best result.
04:39 Popular
Can machines read your emotions? - Kostas Karpouzis

862 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/can-machines-read-your-emotions-kostas-karpouzis Computers can beat us in board games, transcribe speech, and instantly identify almost any object. But will future robots go further by learning to figure out wha
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A Solid 20 Minutes of Useless Science Facts (ft. Hank Green & More!)

147 views / 0 likes - added 1 year ago

A solid 20 MINUTES of Useless Science Facts! After I went through this pain for 15 minutes, obviously it had to return - but which fact is the most useless? Check out the inspiration for all of this, Austin McConnell's Useless Information Series: https://
04:29 Popular
Why Is Yawning Contagious? - Claudia Aguirre

759 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/why-is-yawning-contagious-claudia-aguirre *Yaaawwwwwn* Did just reading the word make you feel like yawning yourself? Known as contagious yawning, the reasons behind this phenomenon have been attributed to both
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04:47 Popular
Inside The Ant Colony - Deborah M. Gordon

860 views / 1 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/inside-the-ant-colony-deborah-m-gordon Ants have one of the most complex social organizations in the animal kingdom; they live in structured colonies that contain different types of members who perform specific
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04:37 Popular
The Law Of Conservation Of Mass - Todd Ramsey

2,426 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/the-law-of-conservation-of-mass-todd-ramsey Everything in our universe has mass — from the smallest atom to the largest star. But the amount of mass has remained constant throughout existence even during the bir
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05:13 Popular
How do whales sing? - Stephanie Sardelis

988 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/how-do-whales-sing-stephanie-sardelis Communicating underwater is challenging. Light and odors don’t travel well, but sound moves about four times faster in water than in air — which means marine mammals often u
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04:12 Popular
Inside Your Computer - Bettina Bair

860 views / 2 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/inside-your-computer-bettina-bair How does a computer work? The critical components of a computer are the peripherals (including the mouse), the input/output subsystem (which controls what and how much informati
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04:35 Popular
Why are we so attached to our things? - Christian Jarrett

779 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/why-are-we-so-attached-to-our-things-christian-jarrett After witnessing the “violent rage” shown by babies whenever deprived of an item they considered their own, Jean Piaget – a founding father of child psychol
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History Vs. Genghis Khan - Alex Gendler

1,068 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/history-vs-genghis-khan-alex-gendler He was one of the most fearsome warlords who ever lived, waging an unstoppable conquest across the Eurasian continent. But was Genghis Khan a vicious barbarian or a unifier w
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Not All Scientific Studies Are Created Equal - David H. Schwartz

810 views / 0 likes - added 8 years ago

View full lesson: Not all scientific studies are created equal - David H. Schwartz Every day, we are bombarded by attention grabbing headlines that promise miracle cures to all of our ailments -- often backed up by a "scientific study." But what are these
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Is Radiation Dangerous? - Matt Anticole

1,104 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/is-radiation-dangerous-matt-anticole When we hear the word radiation, it’s tempting to picture huge explosions and frightening mutations. But that’s not the full story — radiation also applies to rainbows and a
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Why Is The US Constitution So Hard To Amend? - Peter Paccone

685 views / 2 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/why-is-the-us-constitution-so-hard-to-amend-peter-paccone When it was ratified in 1789, the US Constitution didn’t just institute a government by the people – it provided a way for the people to alter the Consti
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01:54 Popular
How super glue was invented | Moments of Vision 8 - Jessica Oreck

802 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/how-super-glue-was-invented-moments-of-vision-8-jessica-oreck Today, super glue is a nearly indispensable household item — but its incredibly sticky nature almost caused it to be abandoned in the development pha
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04:08 Popular
What can you learn from ancient skeletons? - Farnaz Khatibi

1,104 views / 2 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/what-can-you-learn-from-ancient-skeletons-farnaz-khatibi Ancient skeletons can tell us a great deal about the past, including the age, gender and even the social status of its former owner. But how can we know a
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The Moon Landing Was the Television Event of the Decade

574 views / 1 likes - added 6 years ago

On July 16, 1969, Americans filled highways, streets and homes to witness the launch of a rocket from the Kennedy Space Center: the legendary, moon-bound Apollo 11. From the Series: America In Color: The 1960's http://bit.ly/1960sinColor
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How Batteries Work - Adam Jacobson

1,544 views / 1 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/why-batteries-die-adam-jacobson Batteries are a triumph of science—they allow smartphones and other technologies to exist without anchoring us to an infernal tangle of power cables. Yet even the best batteries w
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04:46 Popular
How Do We Study The Stars? - Yuan-Sen Ting

1,592 views / 1 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/how-do-we-study-the-stars-yuan-sen-ting Our best technology can send men to the Moon and probes to the edge of our solar system, but these distances are vanishingly small compared to the size of the universe. Ho
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Why doesn’t anything stick to Teflon? - Ashwini Bharathula

665 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/why-doesn-t-anything-stick-to-teflon-ashwini-bharathula Teflon was in the spacesuits the Apollo crew wore for the moon landing, in pipes and valves used in the Manhattan project, and it may be in your kitchen, a
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04:58 Popular
Your Brain Can Solve Algorithms - David J. Malan

1,007 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/your-brain-can-solve-algorithms-david-j-malan An algorithm is a mathematical method of solving problems both big and small. Though computers run algorithms constantly, humans can also solve problems with algorit
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Real Life Sunken Cities - Peter Campbell

831 views / 3 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/real-life-sunken-cities-peter-campbell Though people are most familiar with Plato’s fictional Atlantis, many real underwater cities actually exist. Peter Campbell explains how sunken cities are studied by scient
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Can you solve the fish riddle? - Steve Wyborney

1,368 views / 1 likes - added 6 years ago

View full lesson: http://ed.ted.com/lessons/can-you-solve-the-fish-riddle-steve-wyborney As the cargo director on the maiden voyage of the S.S. Buoyant, you’ve agreed to transport several tanks containing the last specimens of an endangered fish species t
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Animation Basics: The Optical Illusion Of Motion - TED-Ed

947 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/animation-basics-the-optical-illusion-of-motion-ted-ed How do animators make still images come to life? Are the images really moving, or are they merely an optical illusion? TED-Ed takes you behind the scenes to
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What

485 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/what-orwellian-really-means-noah-tavlin If you’ve watched the news or followed politics, chances are you’ve heard the term Orwellian thrown around in one context or another. But have you ever stopped to think ab
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The Evolution Of The Human Eye - Joshua Harvey

2,313 views / 3 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/the-evolution-of-the-human-eye-joshua-harvey The human eye is an amazing mechanism, able to detect anywhere from a few photons to a few quadrillion, or switch focus from the screen in front of you to the distant
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What Happens When You Get Heat Stroke? - Douglas J. Casa

1,179 views / 1 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/what-happens-when-you-get-heat-stroke-douglas-j-casa Have you ever suffered from exertional heat stroke? This condition is caused by intense activity in the heat and is one of the top three killers of athletes a
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06:10
How Fast Are You Moving Right Now? - Tucker Hiatt

548 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/how-fast-are-you-moving-right-now-tucker-hiatt "How fast are you moving?" seems like an easy question, but it's actually quite complicated -- and perhaps best answered by another question: "Relative to what?" Ev
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Lava vs Lasers - Which Is More Destructive?

112 views / 0 likes - added 2 weeks ago

Im never microwaving my popcorn again. Welcome to your LEAST BORING SUMMER EVER! Come join me at Camp CrunchLabs all summer long- https://www.crunchlabs.com/lavalaserJoin Camp CrunchLabs to get a new build box every week this summer! If you want to learn
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Can you solve the prisoner boxes riddle? - Yossi Elran

1,084 views / 1 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/can-you-solve-the-prisoner-boxes-riddle-yossi-elran Your favorite band is great at playing music...but not so great at being organized. They keep misplacing their instruments on tour, and it’s driving their mana
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04:57 Popular
Eye Vs. Camera - Michael Mauser

1,096 views / 1 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/eye-vs-camera-michael-mauser Your eyes don’t always capture the world exactly as a video camera would. But the eyes are remarkably efficient organs, the result of hundreds of millions of years of coevolution wit
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Biodiesel: The Afterlife Of Oil - Natascia Radice

593 views / 2 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/biodiesel-the-afterlife-of-oil-natascia-radice How could you dispose of your cooking oil when you're done cooking? The easiest thing to do might be to pour it down your drain -- but if you save it up and send it
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Can You Solve The Prisoner Hat Riddle? - Alex Gendler

1,427 views / 3 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/can-you-solve-the-prisoner-hat-riddle-alex-gendler You and nine other individuals have been captured by super-intelligent alien overlords. The aliens think humans look quite tasty, but their civilization forbids
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A brief history of graffiti - Kelly Wall

1,166 views / 2 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/a-brief-history-of-graffiti-kelly-wall Spray-painted subway cars, tagged bridges, mural-covered walls – graffiti pops up boldly throughout our cities. And it turns out: it’s nothing new. Graffiti has been around
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Could human civilization spread across the whole galaxy? - Roey Tzezana

813 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/could-human-civilization-spread-across-the-whole-galaxy-roey-tzezana Could human civilization eventually spread across the whole Milky Way galaxy? Could we move beyond our small, blue planet to establish colonie
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The Pleasure Of Poetic Pattern - David Silverstein

612 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-pleasure-of-poetic-pattern-david-silverstein Humans are creatures of rhythm and repetition. From our breath to our gait: rhythm is central to our experience, and often brings us pleasure. We can find pleasur
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How Do Germs Spread (and Why Do They Make Us Sick)? - Yannay Khaikin And Nicole Mideo

777 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/how-do-germs-spread-and-why-do-they-make-us-sick-yannay-khaikin-and-nicole-mideo Germs are found on almost every surface we come in contact with, which makes it incredibly common for our bodies to be exposed to
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Where we get our fresh water - Christiana Z. Peppard

1,597 views / 3 likes - added 6 years ago

View full lesson: http://ed.ted.com/lessons/where-we-get-our-fresh-water-christiana-z-peppard Fresh water accounts for only 2.5% of Earth's water, yet it is vital for human civilization. What are our sources of fresh water? In the first of a two part seri
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1908 Auto Race From New York to Paris Is An Unbelievable Story

524 views / 0 likes - added 5 years ago

If you're thinking that a car race from New York to Paris doesn't sound like a good idea because, you know, ocean and all, you'd be right. But that didn't stop the Great 1908 Automobile Race that started in New York and ended in Paris. The details of what
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It Was in Front of the Whole School.... | SCRAPBOOK MY LIFE

370 views / 0 likes - added 3 years ago

Impressing Your Crush Lesson 1: Maybe don't dress as an elf and sing in front of the whole school?Here's how I learned that lesson... Credits Animation by Jennifer RuizJoin the fun on Peacock Kids where you can find an endless supply of laugh-out-loud jok
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A Brief History Of Video Games (Part I) - Safwat Saleem

1,402 views / 4 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/a-brief-history-of-video-games-part-i-safwat-saleem Video games are everywhere these days, but where did they actually come from? The history of video games is a complicated story that involves giant computers i
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How To Detect A Supernova - Samantha Kuula

659 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/how-to-detect-a-supernova-samantha-kuula Just now, somewhere in the universe, a star exploded. In fact, a supernova occurs every second or so in the observable universe. Yet, we’ve never actually been able to wa
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04:54 Popular
History Vs. Andrew Jackson - James Fester

913 views / 2 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/history-vs-andrew-jackson-james-fester Andrew Jackson was both beloved and loathed during his presidency. In this imaginary courtroom, you get to be the jury, considering and weighing Jackson's part in the spoil
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How Science Fiction Can Help Predict The Future - Roey Tzezana

779 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/how-science-fiction-can-help-predict-the-future-roey-tzezana Would you like to know what’s in our future? What’s going to happen to humanity tomorrow, next year, or even a millennium from now? Well, you’re not a
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How the rubber glove was invented | Moments of Vision 4 - Jessica Oreck

1,009 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/how-the-rubber-glove-was-invented-moments-of-vision-4-jessica-oreck It’s hard to imagine a modern hospital being able to function without rubber gloves — but they weren’t actually invented until 1890. In the fou
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05:24 Popular
Penguins: Popularity, Peril And Poop - Dyan DeNapoli

1,128 views / 6 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-popularity-plight-and-poop-of-penguins-dyan-denapoli Penguins are odd birds. For one, they cannot fly (but they are amazing swimmers), and, contrary to popular belief, the majority of penguin populations liv
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Vampires: Folklore, Fantasy And Fact - Michael Molina

969 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/vampires-folklore-fantasy-and-fact-michael-molina The myth of the bloodsucking vampire has stalked humans from ancient Mesopotamia to 18th-century Eastern Europe, but it has differed in the terrifying details. S
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How smudge-proof lipstick was invented | Moments of Vision 6 - Jessica Oreck

855 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/how-smudge-proof-lipstick-was-invented-moments-of-vision-6-jessica-oreck Today, lip cosmetics are a billion dollar industry, with 1 out of every 3 women claiming that they won’t leave home without applying lipst
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Mysteries Of Vernacular: Robot - Jessica Oreck And Rachael Teel

665 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/mysteries-of-vernacular-robot-jessica-oreck-and-rachael-teel In 1920, Czech writer Karel Čapek wrote a play about human-like machines, thereby inventing the term robot from the Central European word for forced l
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How Computers Translate Human Language - Ioannis Papachimonas

1,048 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/how-computers-translate-human-language-ioannis-papachimonas Is a universal translator possible in real life? We already have many programs that claim to be able to take a word, sentence, or entire book in one la
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How Coffee Got Quicker | Moments Of Vision 2 - Jessica Oreck

697 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/how-coffee-got-quicker-moments-of-vision-2-jessica-oreck For the 64% of Americans that drink coffee daily, an expedient cup is practically essential. But preparing coffee hasn’t always been easy. In the second i
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Secrets of the X chromosome - Robin Ball

853 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/secrets-of-the-x-chromosome-robin-ball The sequence of DNA that we inherit from our parents encodes directions for making our cells and giving us specific traits. Identical twins have the same DNA sequence, so h
02:46 Popular
Cicadas: The Dormant Army Beneath Your Feet - Rose Eveleth

763 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/cicadas-the-dormant-army-beneath-your-feet-rose-eveleth Every 13 or 17 years, billions of cicadas emerge from the ground to molt, mate and die. Adult cicadas only live a few weeks above ground, but you'd be hard
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History Vs. Napoleon Bonaparte - Alex Gendler

1,050 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/history-vs-napoleon-bonaparte-alex-gendler After the French Revolution erupted in 1789, Europe was thrown into chaos. Neighboring countries’ monarchs feared they would share the fate of Louis XVI and attacked th
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How to practice effectively...for just about anything - Annie Bosler and Don Greene

728 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/how-to-practice-effectively-for-just-about-anything-annie-bosler-and-don-greene Mastering any physical skill takes practice. Practice is the repetition of an action with the goal of improvement, and it helps us
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How Do You Decide Where To Go In A Zombie Apocalypse? - David Hunter

1,151 views / 3 likes - added 8 years ago

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
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The Most Lightning-struck Place On Earth - Graeme Anderson

777 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-most-lightning-struck-place-on-earth-graeme-anderson Lake Maracaibo is the stormiest place on the planet. Thunderstorms rage above this massive body of water for up to 200 days of the year, with each ear-spl
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How Transistors Work - Gokul J. Krishnan

959 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/how-transistors-work-gokul-j-krishnan Modern computers are revolutionizing our lives, performing tasks unimaginable only decades ago. This was made possible by a long series of innovations, but there’s one found
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05:24 Popular
When is water safe to drink? - Mia Nacamulli

1,376 views / 2 likes - added 6 years ago

View full lesson: https://ed.ted.com/lessons/when-is-water-safe-to-drink-mia-nacamulli Water is refreshing, hydrating, and invaluable to your survival. But clean water remains a precious and often scarce commodity – there are nearly 800 million people who
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What Is Déjà Vu? What Is Déjà Vu? - Michael Molina

558 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/what-is-deja-vu-what-is-deja-vu-michael-molina You might have felt it -- the feeling that you've experienced something before, but, in reality, the experience is brand new. There are over 40 theories that attemp
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Beware of nominalizations (AKA zombie nouns) - Helen Sword

902 views / 1 likes - added 6 years ago

View full lesson: http://ed.ted.com/lessons/beware-of-nominalizations-aka-zombie-nouns-helen-sword Few mistakes sour good writing like nominalizations, or, as Helen Sword likes to call them, zombie nouns. Zombie nouns transform simple and straightforward
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Animation Basics: The Art Of Timing And Spacing - TED-Ed

796 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/animation-basics-the-art-of-timing-and-spacing-ted-ed Expert timing and spacing is what separates a slide show from a truly amazing animation. TED-Ed demonstrates, by manipulating various bouncing balls, how the
05:48 Popular
I'm Batman - Amy Wray

915 views / 4 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/i-m-batman-amy-wray What flies through the night, silently guarding and protecting our world from evil? Batman? Try...a bat. Like Batman, bats are widely misunderstood and vilified. Amy Wray disproves the myth t
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Why Do We Cry? The Three Types Of Tears - Alex Gendler

1,117 views / 2 likes - added 8 years ago

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 particula
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05:20 Popular
What is entropy? - Jeff Phillips

1,627 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/what-is-entropy-jeff-phillips There’s a concept that’s crucial to chemistry and physics. It helps explain why physical processes go one way and not the other: why ice melts, why cream spreads in coffee, why air
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04:55 Popular
Do Animals Have Language? - Michele Bishop

1,129 views / 2 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/do-animals-have-language-michele-bishop All animals communicate. But do they have language? Michele Bishop details the four specific qualities we associate with language and investigates whether or not certain a
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Slime Houses of Pinky-Size Plankton Cycle Carbon

535 views / 0 likes - added 7 years ago

This tiny larvacean blows up a mucus balloon up to a meter across. It pumps water through feeding structures to concentrate food particles, and may be an important player in oceanic carbon cycling. Subscribe to our channel: https://youtube.com/SciAmerican
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Where Did Russia Come From? - Alex Gendler

913 views / 6 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/where-did-russia-come-from-alex-gendler Russia is the biggest country in the world, spanning one-eighth of the earth’s landmass. But where did it all begin? Alex Gendler explores the epic history of the Kievan R
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04:46 Popular
The Threat Of Invasive Species - Jennifer Klos

2,723 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-threat-of-invasive-species-jennifer-klos Massive vines that blanket the southern United States, climbing high as they uproot trees and swallow buildings. A ravenous snake that is capable of devouring an alli
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04:39 Popular
Eli The Eel: A Mysterious Migration - James Prosek

905 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/eli-the-eel-a-mysterious-migration-james-prosek They're slippery. They're slithery. And while they totally look like underwater snakes, eels are, in fact, unique fish that can breathe through their skin and even
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Are Spotty Fruits And Vegetables Safe To Eat? - Elizabeth Brauer

896 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/are-spotty-fruits-and-vegetables-safe-to-eat-elizabeth-brauer In 2010, 30 billion dollars worth of fruits and vegetables were wasted by American retailers and shoppers, in part because of cosmetic problems and p
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A brief history of numerical systems - Alessandra King

1,575 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/a-brief-history-of-numerical-systems-alessandra-king 1, 2, 3, 4, 5, 6, 7, 8, 9... and 0. With just these ten symbols, we can write any rational number imaginable. But why these particular symbols? Why ten of the
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Why The Octopus Brain Is So Extraordinary - Cláudio L. Guerra

1,063 views / 3 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/why-the-octopus-brain-is-so-extraordinary-claudio-l-guerra Octopuses have the ability to solve puzzles, learn through observation, and even use tools – just like humans. But what makes octopus intelligence so am
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04:39 Popular
Can Plants Talk To Each Other? - Richard Karban

1,372 views / 2 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/can-plants-talk-to-each-other-richard-karban Can plants talk to each other? It certainly doesn’t seem that way: They don’t have complex sensory or nervous systems, like animals do, and they look pret
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25 Minutes of KIDZ BOP Behind The Scenes Videos!

92 views / 0 likes - added 11 months ago

Dance along with us to 25 minutes of KIDZ BOP Behind The Scenes videos! Check out #KIDZBOP2023Vol2 here: https://link.kidzbop.com/KIDZBOP2023Vol2 Listen to more KIDZ BOP: https://link.kidzbop.com/PlayKIDZBOP Follow KIDZ BOP everywhere: https://link.kidzbo
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The Science Behind The Myth: Homer's

764 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-science-behind-the-myth-homer-s-odyssey-matt-kaplan Homer's "Odyssey" recounts the adventures of the Greek hero Odysseus during his journey home from the Trojan War. Though some parts may be based on real ev
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Can you solve the virus riddle? - Lisa Winer

1,444 views / 1 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/can-you-solve-the-virus-riddle-lisa-winer Your research team has found a prehistoric virus preserved in the permafrost and isolated it for study. After a late night working, you’re just closing up the lab when a
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Racing to Save Dying Coral Reefs

416 views / 0 likes - added 5 years ago

While they might be easily mistaken for rocks or plants, coral reefs are actually colonies of animals. These small but mighty creatures cover only a percent of the ocean floor, yet they constitute one of Earth’s oldest and most important ecosystems—servin
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What Is A Gift Economy? - Alex Gendler

787 views / 2 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/what-is-a-gift-economy-alex-gendler What if, this holiday season, instead of saying "thank you" to your aunt for her gift of a knitted sweater, the polite response expected from you was to show up at her house i
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The Effects Of Underwater Pressure On The Body - Neosha S Kashef

786 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/the-effects-of-underwater-pressure-on-the-body-neosha-s-kashef Why would a fish throw up its stomach? What makes a scuba diver develop painful microbubbles in their joints? Neosha S Kashef details the basics of
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Why Are Human Bodies Asymmetrical? - Leo Q. Wan

1,322 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/why-are-human-bodies-asymmetrical-leo-q-wan Symmetry is everywhere in nature. And we usually associate it with beauty: a perfectly shaped leaf or a butterfly with intricate patterns mirrored on each wing. But it
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Can you solve the counterfeit coin riddle? - Jennifer Lu

931 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/can-you-solve-the-counterfeit-coin-riddle-jennifer-lu You’re the realm’s greatest mathematician, but ever since you criticized the Emperor’s tax laws, you’ve been locked in the dungeon. Luckily for you, one of t
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Mary's room: A philosophical thought experiment - Eleanor Nelsen

781 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/mary-s-room-a-philosophical-thought-experiment-eleanor-nelsen Imagine a neuroscientist who has only ever seen black and white things, but she is an expert in color vision and knows everything about its physics a
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The Pharaoh That Wouldn't Be Forgotten - Kate Narev

1,195 views / 3 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/the-pharaoh-that-wouldn-t-be-forgotten-kate-narev Hatshepsut was a female pharaoh during the New Kingdom in Egypt. Twenty years after her death, somebody smashed her statues, took a chisel and attempted to erase
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If Molecules Were People... - George Zaidan And Charles Morton

941 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/chemical-reactions-zaidan-and-morton When molecules collide, chemical reactions can occur -- causing major structural changes akin to getting a new arm on your face! George Zaidan and Charles Morton playfully im
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What Makes Something

486 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/what-makes-something-kafkaesque-noah-tavlin The term Kafkaesque has entered the vernacular to describe unnecessarily complicated and frustrating experiences, especially with bureaucracy. But does standing in a l
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Why The Insect Brain Is So Incredible - Anna Stöckl

1,148 views / 2 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/why-the-insect-brain-is-so-incredible-anna-stockl The human brain is one of the most sophisticated organs in the world, a supercomputer made of billions of neurons that control all of our senses, thoughts, and a
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Making Sense Of Irrational Numbers

2,126 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/making-sense-of-irrational-numbers-ganesh-pai Like many heroes of Greek myths, the philosopher Hippasus was rumored to have been mortally punished by the gods. But what was his crime? Did he murder guests or dis
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How Plants Tell Time - Dasha Savage

1,332 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/how-plants-tell-time-dasha-savage Morning glories unfurl their petals like clockwork in the early morning. A closing white waterlily signals that it’s late afternoon. And moon flowers, as their name suggests, on
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How do focus groups work? - Hector Lanz

579 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/how-do-focus-groups-work-hector-lanz Focus groups have been widely used by organizations and individuals to find out how their products and ideas will be received by an audience. From the usage of household prod
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The Great Vertical Migration

249 views / 0 likes - added 3 years ago

Diel vertical migration truly is a phenomenon. This migration serves as the anchor for the food web that supplies the entire planet. Every day, 5 billion metric tonnes of organisms migrate to the surface to feed. Predators chase prey, forming a layer of a
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Khan Academy Live: SAT Math

792 views / 0 likes - added 6 years ago

Need help with SAT math? Join Eric, one of Khan Academy’s SAT experts, for an SAT math class. Eric reviews some of the most important math skills for the test and provides tips on how to avoid careless mistakes. This is a recording of our May 16 livestrea
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The Hidden Worlds Within Natural History Museums - Joshua Drew

906 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/the-hidden-worlds-within-natural-history-museums-joshua-drew When you think of natural history museums, you might picture exhibits filled with ancient lifeless things, like dinosaurs or meteorites. But behind th
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How does money laundering work? - Delena D. Spann

701 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/how-does-money-laundering-work-delena-d-spann Money laundering is the term for any process that “cleans” illegally obtained funds of their “dirty” criminal origins, allowing them to be used within the legal econ
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How To Draw A Beach Sunset - Blending Gel Crayons

184 views / 1 likes - added 12 months ago

Hey there, art friends! Teryn and I are excited to bring you a bright and colorful art lesson - how to draw a beach sunset! We're using our new Art For Kids Hub gel crayons in this lesson, showing you how to blend colors to create an amazing sunset. This
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Lego Ships Fight Wave Onslaught (And Fails)

246 views / 0 likes - added 2 years ago

Filmed on GoPro Hero 10 https://amzn.to/3GLsTs9 Lego City Ocean Exploration Ship 60266 https://amzn.to/3BdVfKz USS Brickster struggles in rough seas. God save their plastic souls.
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Can Underwater Parks Protect Coral?

655 views / 1 likes - added 8 years ago

From the Science Friday Archives! With global threats like ocean warming and acidification, it's a tough time to be a coral. Marine scientists John Bruno and Elizabeth Selig, of the University of North Carolina at Chapel Hill, analyzed over 8000 coral sur
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What Is The World Wide Web? - Twila Camp

1,659 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/what-is-the-world-wide-web-twila-camp The World Wide Web is used every day by millions of people for everything from checking the weather to sharing cat videos. But what is it exactly? Twila Camp describes this
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Poison Vs. Venom: What's The Difference? - Rose Eveleth

929 views / 2 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/venom-vs-poison-what-s-the-difference-rose-eveleth Would you rather be bitten by a venomous rattlesnake or touch a poisonous dart frog? While both of these animals are capable of doing some serious damage to the
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The Science Of Stage Fright (and How To Overcome It) - Mikael Cho

794 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-science-of-stage-fright-and-how-to-overcome-it-mikael-cho Heart racing, palms sweating, labored breathing? No, you're not having a heart attack -- it's stage fright! If speaking in public makes you feel like
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What Is Depression? - Helen M. Farrell

717 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/what-is-depression-helen-m-farrell Depression is the leading cause of disability in the world; in the United States, close to ten percent of adults struggle with the disease. But because it’s a mental illness, i
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Free Falling In Outer Space - Matt J. Carlson

1,762 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/free-falling-in-outer-space-matt-j-carlson If you were to orbit the Earth, you'd experience the feeling of free fall, not unlike what your stomach feels before a big dive on a roller coaster. With a little help
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Why Do We Have To Wear Sunscreen? - Kevin P. Boyd

570 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/why-do-we-have-to-wear-sunscreen-kevin-p-boyd You already know that a trip to the beach can give you a nasty sunburn, but the nitty gritty of sun safety is actually much more complex. Wrinkle-causing UVA rays an
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Can You Solve The Temple Riddle? - Dennis E. Shasha

1,003 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/can-you-solve-the-temple-riddle-dennis-e-shasha Your expedition finally stands at the heart of the ancient temple. But as you study the inscriptions in the darkness, two wisps of green smoke burst forth. The wal
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Why Is Being Scared So Fun? - Margee Kerr

732 views / 0 likes - added 8 years ago

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 mill
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What Would Happen If You Didn’t Sleep? - Claudia Aguirre

1,000 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/what-would-happen-if-you-didn-t-sleep-claudia-aguirre In the United States, it’s estimated that 30 percent of adults and 66 percent of adolescents are regularly sleep-deprived. This isn’t just a minor inconvenie
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5 Tips To Improve Your Critical Thinking - Samantha Agoos

1,050 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/5-tips-to-improve-your-critical-thinking-samantha-agoos Every day, a sea of decisions stretches before us, and it’s impossible to make a perfect choice every time. But there are many ways to improve our chances
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How does impeachment work? - Alex Gendler

751 views / 0 likes - added 6 years ago

Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/how-does-impeachment-work-alex-gendler For most jobs, it’s understood that you can be fired – whether for crime, incompetence, or just poor performance.
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How Do Animals See In The Dark? - Anna Stöckl

875 views / 1 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/how-do-animals-see-in-the-dark-anna-stockl To human eyes, the world at night is a formless canvas of grey. Many nocturnal animals, on the other hand, experience a rich and varied world, bursting with details, sh
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Why Do Blood Types Matter? - Natalie S. Hodge

1,229 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/why-do-blood-types-matter-natalie-s-hodge It’s often said that despite humanity’s many conflicts, we all bleed the same blood. It’s a nice thought, but not quite accurate. In fact, our blood comes in a few diffe
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What makes a poem … a poem? - Melissa Kovacs

802 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/what-makes-a-poem-a-poem-melissa-kovacs What exactly makes a poem … a poem? Poets themselves have struggled with this question, often using metaphors to approximate a definition. Is a poem a little machine? A fi
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Why do animals have such different lifespans? - Joao Pedro de Magalhaes

1,390 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/why-do-animals-have-such-different-lifespans-joao-pedro-de-magalhaes For the microscopic lab worm C. elegans, life equates to just a few short weeks on Earth. The bowhead whale, on the other hand, can live over
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Our Lungs Have A Fatal Flaw

306 views / 1 likes - added 1 year ago

Get started mitigating your carbon footprint with Wren at https://www.wren.co/start/minuteearthOur respiratory systems do a great job of protecting us, but they are no match for the smallest pollution particles created by the modern world.LEARN MORE******
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Illuminating photography: From camera obscura to camera phone - Eva Timothy

630 views / 0 likes - added 6 years ago

VIew full lesson: http://ed.ted.com/lessons/illuminating-photography-eva-timothy The origins of the cameras we use today were invented in the 19th century. Or were they? A millenia before, Arab scientist Alhazen was using the camera obscura to duplicate i
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TIL: Some Sharks Can Glow In The Dark

796 views / 1 likes - added 8 years ago

You probably know that your visual perception of the world is a bit different than your pets’. Dogs see things with less color than humans, snakes can see infrared, and if you have a pet bull, it lives in a world where red and green are the same color. Th
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What Causes Economic Bubbles? - Prateek Singh

1,052 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/what-causes-economic-bubbles-prateek-singh During the 1600’s, the exotic tulip became a nationwide sensation; some single bulbs even sold for ten times the yearly salary of a skilled craftsman. Suddenly, though,
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How inventions change history (for better and for worse) - Kenneth C. Davis

600 views / 0 likes - added 6 years ago

View full lesson: http://ed.ted.com/lessons/how-inventions-change-history-for-better-and-for-worse-kenneth-c-davis Invented in 1793, the cotton gin changed history for good and bad. By allowing one field hand to do the work of 10, it powered a new industr
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What Are Stem Cells? - Craig A. Kohn

2,332 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/what-are-stem-cells-craig-a-kohn Is personalized medicine for individual bodies in our future? Possibly -- with the use of stem cells, undifferentiated cells with the power to become any tissue in our bodies. Cr
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Development Of English Drama - Mindy Ploeckelmann

864 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-emergence-of-drama-as-a-literary-art-mindy-ploeckelmann When presented with the problem of hoards of illiterate commoners, English clergymen in the 11th century created plays to spread word about the Bible.
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The Chemistry Of Cookies - Stephanie Warren

785 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-chemistry-of-cookies-stephanie-warren You stick cookie dough into an oven, and magically, you get a plate of warm, gooey cookies. Except it's not magic; it's science. Stephanie Warren explains via basic chem
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The Moon Illusion - Andrew Vanden Heuvel

817 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-moon-illusion-andrew-vanden-heuvel Have you noticed how the full moon looks bigger on the horizon than high overhead? Actually, the two images are exactly the same size -- so why do we perceive them differen
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Exploring Other Dimensions - Alex Rosenthal And George Zaidan

886 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/exploring-other-dimensions-alex-rosenthal-and-george-zaidan Imagine a two-dimensional world -- you, your friends, everything is 2D. In his 1884 novella, Edwin Abbott invented this world and called it Flatland. A
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The Incredible Collaboration Behind The International Space Station - Tien Nguyen

640 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-incredible-collaboration-behind-the-international-space-station-tien-nguyen The International Space Station is roughly the size of a six-bedroom house and weighs more than 320 cars -- it's so large that no s
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The Infinite Life Of Pi - Reynaldo Lopes

599 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-infinite-life-of-pi-reynaldo-lopes The ratio of a circle's circumference to its diameter is always the same: 3.14159... and on and on (literally!) forever. This irrational number, pi, has an infinite number
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What Is Dyslexia? - Kelli Sandman-Hurley

585 views / 0 likes - added 8 years ago

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'
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History Through The Eyes Of The Potato - Leo Bear-McGuinness

995 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/history-through-the-eyes-of-the-potato-leo-bear-mcguinness Baked or fried, boiled or roasted, as chips or fries; at some point in your life you’ve probably eaten a potato. But potatoes have played a much more si
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The Sonic Boom Problem - Katerina Kaouri

1,021 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/what-causes-sonic-booms-katerina-kaouri Objects that fly faster than the speed of sound (like really fast planes) create a shock wave accompanied by a thunder-like noise: the sonic boom. These epic sounds can ca
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How Do Your Kidneys Work? - Emma Bryce

1,235 views / 1 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/how-do-your-kidneys-work-emma-bryce After drinking a few glasses of water on a hot day, you might be struck with a sudden ... urge. Behind that feeling are two bean-shaped organs that work as fine-tuned internal
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Attack Of The Killer Algae - Eric Noel Muñoz

883 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/attack-of-the-killer-algae-eric-noel-munoz As benign as it may look up close, the tiny seaweed Caulerpa taxifolia can wreak quite a bit of havoc on coastal ecosystems. This super algae is very adaptable; it also
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The Controversial Origins Of The Encyclopedia - Addison Anderson

598 views / 0 likes - added 8 years ago

View full lesson: https://ed.ted.com/lessons/the-controversial-origins-of-the-encyclopedia-addison-anderson The first encyclopedia contained 70,000 entries and over 20,000,000 words. It was broken into 35 volumes written over the course of 3 decades. It w
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What's Hidden Among The Tallest Trees On Earth? - Wendell Oshiro

839 views / 1 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/what-s-hidden-among-the-tallest-trees-on-earth-wendell-oshiro When Stephen Sillett was a boy, he took to the forests of Pennsylvania with his brother and grandmother. Looking up into the dense branches and leave
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Who Am I? A Philosophical Inquiry - Amy Adkins

1,148 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/who-am-i-a-philosophical-inquiry-amy-adkins Throughout the history of mankind, the subject of identity has sent poets to the blank page, philosophers to the agora and seekers to the oracles. These murky waters o
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How does an atom-smashing particle accelerator work? - Don Lincoln

540 views / 0 likes - added 6 years ago

View full lesson: http://ed.ted.com/lessons/how-does-an-atom-smashing-particle-accelerator-work-don-lincoln An atom smasher, or particle accelerator, collides atomic nuclei together at extremely cold temperatures, very low air pressure, and hyperbolically
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A whale's eye view of Antarctica

285 views / 0 likes - added 3 years ago

Scientists have attached cameras to unlock the mysteries of whales lives in Antarctica. The cameras have helped scientists gather information on where, when and how whales feed, their social lives, and even how they must blow hard to clear sea ice so they
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What Are The Universal Human Rights? - Benedetta Berti

1,283 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/what-are-the-universal-human-rights-benedetta-berti The basic idea of human rights is that each one of us, no matter who we are or where we are born, is entitled to the same basic rights and freedoms. That may s
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Can Wildlife Adapt To Climate Change? - Erin Eastwood

1,925 views / 3 likes - added 8 years ago

VIew full lesson: http://ed.ted.com/lessons/can-wildlife-adapt-to-climate-change-erin-eastwood With rising temperatures and seas, massive droughts, and changing landscapes, successfully adapting to climate change is increasingly important. For humans, thi
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Buffalo Buffalo Buffalo: One-word Sentences And How They Work - Emma Bryce

760 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/buffalo-buffalo-buffalo-one-word-sentences-and-how-they-work-emma-bryce ‘Buffalo buffalo Buffalo buffalo buffalo buffalo Buffalo buffalo’ is a grammatically correct sentence. How? Emma Bryce explains how this an
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03:51
How do cancer cells behave differently from healthy ones? - George Zaidan

669 views / 1 likes - added 6 years ago

View full lesson: http://ed.ted.com/lessons/how-do-cancer-cells-behave-differently-from-healthy-ones-george-zaidan How do cancer cells grow? How does chemotherapy fight cancer (and cause negative side effects)? The answers lie in cell division. George Zai
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Mysteries Of Vernacular: Jade - Jessica Oreck And Rachael Teel

534 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/mysteries-of-veracular-jade-jessica-oreck-and-rachael-teel Now known for its beauty and green hue, the stone jade was previously thought to espouse magical properties, such as kidney treatment. Jessica Oreck and
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What happened to trial by jury? - Suja A. Thomas

606 views / 1 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/what-happened-to-trial-by-jury-suja-a-thomas In the United States today, juries decide less than 4% of criminal cases and less than 1% of civil cases filed in court. At the same time, jury systems in other count
06:04 $How does fracking work? - Mia Nacamulli$
How does fracking work? - Mia Nacamulli

674 views / 0 likes - added 6 years ago

View full lesson: http://ed.ted.com/lessons/how-does-fracking-work-mia-nacamulli Deep underground lie stores of once-inaccessible natural gas. There’s a technology, called hydraulic fracturing, or “fracking,” that can extract this natural gas, potentially
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Sesame Street: Bert And Ernie Meet A Mermaid (Bert And Ernie's Great Adventure)

1,060 views / 2 likes - added 8 years ago

Bert and Ernie have met a mermaid! Mermaids like a lot of things: singing, playing, swimming, going to bed at a reasonable. They definitely don't like pollution though. No Way! Subscribe to the Sesame Street Channel here: http://www.youtube.com/subscripti
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Simple Harmonic Motion - Physics 101 / AP Physics 1 Review with Dianna Cowern

1,013 views / 0 likes - added 3 years ago

Lesson 16 (Simple Harmonic Motion) of Dianna's Intro Physics Class on Physics Girl. Never taken physics before? Want to learn the basics of physics? Need a review of AP Physics concepts before the exam? This course is for you! Exercises in this video: 1.
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Corruption, Wealth And Beauty: The History Of The Venetian Gondola - Laura Morelli

802 views / 1 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/corruption-wealth-and-beauty-the-history-of-the-venetian-gondola-laura-morelli It’s hard to imagine Venice without the curious, banana-shaped gondolas that glide down the canals. How did these boats come to be t
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Light Seconds, Light Years, Light Centuries: How To Measure Extreme Distances - Yuan-Sen Ting

964 views / 2 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/how-do-we-measure-distances-in-space-yuan-sen-ting When we look at the sky, we have a flat, two-dimensional view. So how do astronomers figure the distances of stars and galaxies from Earth? Yuan-Sen Ting shows
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The Psychology Of Narcissism - W. Keith Campbell

556 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-psychology-of-narcissism-w-keith-campbell Narcissism isn’t just a personality type that shows up in advice columns; it’s actually a set of traits classified and studied by psychologists. But what causes it?
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Can you solve the airplane riddle? - Judd A. Schorr

1,163 views / 2 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/can-you-solve-the-airplane-riddle-judd-a-schorr Professor Fukanō, the famous scientist, has embarked on a new challenge – piloting around the world in a plane of his own design. There’s just one problem: there's
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How Playing An Instrument Benefits Your Brain - Anita Collins

893 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/how-playing-an-instrument-benefits-your-brain-anita-collins When you listen to music, multiple areas of your brain become engaged and active. But when you actually play an instrument, that activity becomes more
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Would winning the lottery make you happier? - Raj Raghunathan

955 views / 2 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/would-winning-the-lottery-make-you-happier-raj-raghunathan Imagine winning a multi-million dollar lottery tomorrow. If you’re like many of us, you’d be ecstatic, unable to believe your good luck. But
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03:53
Gerrymandering: How drawing jagged lines can impact an election - Christina Greer

687 views / 0 likes - added 6 years ago

View full lesson: http://ed.ted.com/lessons/gerrymandering-how-drawing-jagged-lines-can-impact-an-election-christina-greer District lines, and the groups of voters within them, may seem arbitrary, but a lot of thought (and political bickering) is put into
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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
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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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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
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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
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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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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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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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Why Does Deep Sea Life Look So Strange?

1,084 views / 2 likes - added 8 years ago

Scientists have found that the darkest and deepest parts of our oceans are teeming with life. But how exactly do they survive down there? Should We Close The Ocean To Save Fish? ???? http://bit.ly/1OpapSb Sign Up For The Seeker Newsletter Here ???? http:/
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How To Grow A Bone - Nina Tandon

1,022 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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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
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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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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
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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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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
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How Cosmic Rays Help Us Understand The Universe - Veronica Bindi

718 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/how-cosmic-rays-help-us-understand-the-universe-veronica-bindi We only know 4% of what the universe is made up of. Can we also know what lies beyond our galaxy ... and if there are undiscovered forms of matter?
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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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The Great Marine Migrations

213 views / 0 likes - added 3 years ago

Migrations are a key to survival in the marine ecosystem. From whales and turtles to sardines, by travelling to different locations, nektonic animals stand better chances offinding food or a suitable place to breed and raise their young. In this video, we
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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
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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
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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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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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What Is An Aurora? - Michael Molina

645 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
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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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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
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Will Future Spacecraft Fit In Our Pockets? - Dhonam Pemba

868 views / 1 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/will-future-spaceships-fit-in-our-pockets-dhonam-pemba When you picture a rocket, you might imagine a giant ship carrying lots of fuel, people and supplies. But what if the next wave of spacecraft were small eno
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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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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
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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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The genius of Mendeleev's periodic table - Lou Serico

2,109 views / 1 likes - added 6 years ago

View full lesson: http://ed.ted.com/lessons/the-genius-of-mendeleev-s-periodic-table-lou-serico The elements had been listed and carefully arranged before Dmitri Mendeleev. They had even been organized by similar properties before. So why is Mendeelev's p
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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
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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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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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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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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
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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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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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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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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
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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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What Does It Mean To Be A Refugee? - Benedetta Berti And Evelien Borgman

795 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/what-does-it-mean-to-be-a-refugee-benedetta-berti-and-evelien-borgman About 60 million people around the globe have been forced to leave their homes to escape war, violence and persecution. The majority have bec
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How Magellan circumnavigated the globe - Ewandro Magalhaes

821 views / 1 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/how-magellan-circumnavigated-the-globe-ewandro-magalhaes On September 6, 1522, the "Victoria" sailed into harbor in southern Spain. The battered vessel and its 18 sailors were all that remained of a fleet that h
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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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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
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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
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The Benefits Of A Bilingual Brain - Mia Nacamulli

1,316 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/how-speaking-multiple-languages-benefits-the-brain-mia-nacamulli It’s obvious that knowing more than one language can make certain things easier — like traveling or watching movies without subtitles. But are the
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How Do Carbohydrates Impact Your Health? - Richard J. Wood

1,486 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/how-do-carbohydrates-impact-your-health-richard-j-wood The things we eat and drink on a daily basis can impact our health in big ways. Too many carbohydrates, for instance, can lead to insulin resistance, which
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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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The Five Major World Religions - John Bellaimey

867 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-five-major-world-religions-john-bellaimey It's perfectly human to grapple with questions, like 'Where do we come from?' and 'How do I live a life of meaning?' These existential questions are central to the f
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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
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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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