Search Results: "amplitude wavelength patterns fourth grade lesson plan"

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04:35 Popular
What Causes Antibiotic Resistance? - Kevin Wu

1,537 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/how-antibiotics-become-resistant-over-time-kevin-wu Right now, you are inhabited by trillions of microorganisms. Many of these bacteria are harmless (or even helpful!), but there are a few strains of ‘super bact
04:20 Popular
What Makes Muscles Grow? - Jeffrey Siegel

1,790 views / 4 likes - added 8 years ago

View full lesson: https://ed.ted.com/lessons/what-makes-muscles-grow-jeffrey-siegel We have over 600 muscles in our bodies that help bind us together, hold us up, and help us move. Your muscles also need your constant attention, because the way you treat
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03:46
HELLO KITTY IN SPACE

259 views / 0 likes - added 3 years ago

Cornerstone Christian school 7th grade science project. The effects of Altitude on air pressure and temperature. Cameras: GoPro Hero2 video footage. Edited By: Eddie Lacayo elacayo212@gmail.com Flight gear: High Altitude Science. Flight computer / Data ac
03:25 Popular
The Deadly Irony Of Gunpowder - Eric Rosado

775 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-deadly-irony-of-gunpowder-eric-rosado In the mid-ninth century, Chinese chemists, hard at work on an immortality potion, instead invented gunpowder. They soon found that this highly inflammable powder was fa
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How Spontaneous Brain Activity Keeps You Alive - Nathan S. Jacobs

668 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/how-spontaneous-brain-activity-keeps-you-alive-nathan-s-jacobs The wheels in your brain are constantly turning, even when you're asleep or not paying attention. In fact, most of your brain’s activities are ones
05:40 Popular
History Vs. Richard Nixon - Alex Gendler

1,054 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/history-vs-richard-nixon-alex-gendler The president of the United States of America is often said to be one of the most powerful positions in the world. But of all the US presidents accused of abusing that power
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Could Your Brain Repair Itself? - Ralitsa Petrova

872 views / 1 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/could-your-brain-repair-itself-ralitsa-petrova Imagine the brain could reboot, updating its damaged cells with new, improved units. That may sound like science fiction — but it’s a potential reality scientists a
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How A Wound Heals Itself - Sarthak Sinha

675 views / 1 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/how-a-wound-heals-itself-sarthak-sinha Our skin is the largest organ in our bodies, with a surface area of about 20 square feet in adults. When we are cut or wounded, our skin begins to repair itself through a c
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04:52
What's Below The Tip Of The Iceberg? - Camille Seaman

606 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/what-s-below-the-tip-of-the-iceberg-camille-seaman It's a well-known fact that the majority of an iceberg lies below the surface -- but just as stealthily hidden are their fascinating qualities. Traveling the se
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03:49
Exponential Growth: How Folding Paper Can Get You to the Moon

405 views / 0 likes - added 1 year ago

Check out our Patreon page: https://www.patreon.com/teded Can folding a piece of paper 45 times get you to the moon? By seeing what happens when folding just one piece of paper, we see the unbelievable potential of exponential growth. This lesson will lea
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How The Heart Actually Pumps Blood - Edmond Hui

1,146 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/how-the-heart-actually-pumps-blood-edmond-hui For most of history, scientists weren't quite sure why our hearts were beating or even what purpose they served. Eventually, we realized that these thumping organs s
06:21 Popular
Is Your Eye Color Not Real?

831 views / 0 likes - added 5 years ago

Check out Say It Loud from PBSDS https://www.youtube.com/SayItLoudPBS SUBSCRIBE so you dont miss a video! http://bit.ly/iotbs_sub More info and sources below The eyes are often the first thing we see when we look at someone. And when you look at them up c
05:01 Popular
How Quantum Mechanics Explains Global Warming - Lieven Scheire

1,568 views / 2 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/how-quantum-mechanics-explains-global-warming-lieven-scheire You've probably heard that carbon dioxide is warming the Earth. But how exactly is it doing it? Lieven Scheire uses a rainbow, a light bulb and a bit
03:46 Popular
You are your microbes - Jessica Green and Karen Guillemin

1,341 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/you-are-your-microbes-jessica-green-and-karen-guillemin From the microbes in our stomachs to the ones on our teeth, we are homes to millions of unique and diverse communities which help our bodies function. Jess
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05:10 Popular
How does asthma work? - Christopher E. Gaw

1,793 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/how-does-asthma-work-christopher-e-gaw More than 300 million people around the world suffer from asthma, and around 250,000 people die from it each year. But why do people get asthma, and how can this disease be
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Why Neutrinos Matter - Sílvia Bravo Gallart

630 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/why-neutrinos-matter-silvia-bravo-gallart Elementary particles are the smallest known building blocks in the universe—and the neutrino is one of the smallest of the small. These tiny neutrinos can tell us about
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Solid, Liquid, Gas And … Plasma? - Michael Murillo

1,668 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/solid-liquid-gas-and-plasma-michael-murillo Have you ever seen static electricity cause a spark of light? What is that spark? What about lightning, the Northern Lights, or the tail of a comet? All of those thing
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How Do Glasses Help Us See? - Andrew Bastawrous And Clare Gilbert

748 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/how-do-glasses-help-us-see-andrew-bastawrous-and-clare-gilbert Today, glasses help millions of people with poor vision be able to see clearly. But how? Andrew Bastawrous and Clare Gilbert help unravel the answer
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How the sandwich was invented | Moments of Vision 5 - Jessica Oreck

878 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/how-the-sandwich-was-invented-moments-of-vision-5-jessica-oreck Today, it is estimated that 50% of Americans eat at least one sandwich every day. And while it’s all but impossible to imagine a world without them
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Magpie_trades 3 bottle-caps for food. High definition

410 views / 0 likes - added 3 years ago

This is current state of my experiment, trying to teach the magpies in our garden to pick up litter, and get paid with food. Right now, the birds pick-up bottle caps and trade them for peanuts in my machine. I plan to describe the evolution of his work to
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What Is The Heisenberg Uncertainty Principle? - Chad Orzel

1,600 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/what-is-the-heisenberg-uncertainty-principle-chad-orzel The Heisenberg Uncertainty Principle states that you can never simultaneously know the exact position and the exact speed of an object. Why not? Because ev
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Einstein's Miracle Year - Larry Lagerstrom

729 views / 0 likes - added 9 years ago

View full lesson here: http://ed.ted.com/lessons/einstein-s-miracle-year-larry-lagerstrom As the year 1905 began, Albert Einstein faced life as a “failed” academic. Yet within the next twelve months, he would publish four extraordinary papers, each on a d
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03:21 Popular
How Misused Modifiers Can Hurt Your Writing - Emma Bryce

1,195 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/how-misused-modifiers-can-hurt-your-writing-emma-bryce Modifiers are words, phrases, and clauses that add information about other parts of a sentence—which is usually helpful. But when modifiers aren’t linked cl
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A Brief History Of Plural Word...s - John McWhorter

681 views / 0 likes - added 8 years ago

View full lesson here: http://ed.ted.com/lessons/a-brief-history-of-plural-word-s-john-mcwhorter All it takes is a simple S to make most English words plural. But it hasn't always worked that way (and there are, of course, exceptions). John McWhorter look
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Myths And Misconceptions About Evolution - Alex Gendler

874 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/myths-and-misconceptions-about-evolution-alex-gendler How does evolution really work? Actually, not how some of our common evolutionary metaphors would have us believe. For instance, it's species, not individual
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05:21 Popular
Reasons For The Seasons - Rebecca Kaplan

834 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/reasons-for-the-seasons-rebecca-kaplan Why do some regions experience full-time heat while others are reckoning with frigid temperatures and snow? And why are the seasons reversed in the two hemispheres? Rebecca
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How Do Hard Drives Work? - Kanawat Senanan

728 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/how-do-hard-drives-work-kanawat-senanan The modern hard drive is an object that can likely hold more information than your local library. But how does it store so much information in such a small space? Kanawat
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05:05 Popular
How do drugs affect the brain? - Sara Garofalo

1,677 views / 2 likes - added 6 years ago

View full lesson: http://ed.ted.com/lessons/how-do-drugs-affect-the-brain-sara-garofalo Most people will take a pill, receive an injection, or otherwise take some kind of medicine during their lives. But most of us don’t know anything about how thes
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04:58 Popular
The history of tea - Shunan Teng

991 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/the-history-of-tea-shunan-teng Tea is the second most consumed beverage in the world after water –– and from sugary Turkish Rize tea to salty Tibetan butter tea, there are almost as many ways of preparing the be
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05:03 Popular
How Sugar Affects The Brain - Nicole Avena

856 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/how-sugar-affects-the-brain-nicole-avena When you eat something loaded with sugar, your taste buds, your gut and your brain all take notice. This activation of your reward system is not unlike how bodies process
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Mysteries Of Vernacular: Dynamite - Jessica Oreck And Rachael Teel

638 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/mysteries-of-vernacular-dynamite-jessica-oreck-and-rachael-teel With an explosive meaning, the word dynamite's past is as historical as it is etymological. Jessica Oreck and Rachael Teel describe how Alfred Nobe
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The Great Conspiracy Against Julius Caesar - Kathryn Tempest

789 views / 1 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/the-great-conspiracy-against-julius-caesar-kathryn-tempest On March 15th, 44 BCE, Roman dictator Julius Caesar was assassinated by a group of about 60 of his own senators. Why did these self-titled Liberators wa
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Why Are There So Many Insects? - Murry Gans

936 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/why-are-there-so-many-insects-murry-gans If insects suddenly morphed into large beings and decided to wage war on us, there’s no doubt that humans would lose. There are an estimated 10 quintillion individual ins
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05:31 Popular
Is There A Difference Between Art And Craft? - Laura Morelli

782 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/is-there-a-difference-between-art-and-craft-laura-morelli Was da Vinci an artistic genius? Sure, but he was also born in the right place at the right time -- pre-Renaissance, Western artists got little individua
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Why do people get so anxious about math? - Orly Rubinsten

1,514 views / 1 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/why-do-people-get-so-anxious-about-math-orly-rubinsten Have you ever sat down to take a math test and immediately felt your heart beat faster and your palms start to sweat? This is called math anxiety, and if it
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04:38 Popular
A Brief History Of Religion In Art - TED-Ed

896 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/a-brief-history-of-religion-in-art-ted-ed Before we began putting art into museums, art mostly served as the visual counterpart to religious stories. Are these theological paintings, sculptures, textiles and ill
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What does this symbol actually mean? - Adrian Treharne

1,250 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/what-does-this-symbol-actually-mean-adrian-treharne Some of the world’s most recognizable symbols exist to sell products. Others, to steer traffic or advance political causes. But there’s one whose main purpose
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05:44 Popular
The History Of Museums - J. V. Maranto

753 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/why-do-we-have-museums-j-v-maranto Museums have been a part of human history for over 2,000 years -- but they weren't always like the ones we visit today. J.V. Maranto uncovers the evolution of museums, from the
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How Does A Jellyfish Sting? - Neosha S Kashef

993 views / 4 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/how-does-a-jellyfish-sting-neosha-s-kashef You’re swimming in the ocean when something brushes your leg. When the tingling sets in, you realize you’ve been stung by a jellyfish. How do these beautiful gelatinous
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If Superpowers Were Real: Body Mass - Joy Lin

904 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/if-superpowers-were-real-body-mass-joy-lin What if manipulating body mass wasn't just the stuff of epic comic book stories? Is it scientifically possible to manipulate your body mass? In this series, Joy Lin tac
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What is Zeno's Dichotomy Paradox? - Colm Kelleher

543 views / 0 likes - added 6 years ago

View full lesson: http://ed.ted.com/lessons/what-is-zeno-s-dichotomy-paradox-colm-kelleher Can you ever travel from one place to another? Ancient Greek philosopher Zeno of Elea gave a convincing argument that all motion is impossible - but where's the fla
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Laser + mirror + sound

110 views / 0 likes - added 1 year ago

I'm using this video as my channel trailer because It's a good example of the the sort of videos I make!Thanks to Brian Mackenwells for showing me this (@mackenwells). A laser shining on a mirror driven by a speaker creates cool patterns.Here's the code f
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Pros And Cons Of Public Opinion Polls - Jason Robert Jaffe

938 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/pros-and-cons-of-public-opinion-polls-jason-robert-jaffe How do public opinion polls work? And, more importantly, are they accurate? Jason Robert Jaffe reveals the complexities and biases of polls and provides t
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How Do Vaccines Work? - Kelwalin Dhanasarnsombut

829 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/how-do-vaccines-work-kelwalin-dhanasarnsombut The first ever vaccine was created when Edward Jenner, an English physician and scientist, successfully injected small amounts of a cowpox virus into a young boy to
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The Atlantic Slave Trade: What Too Few Textbooks Told You - Anthony Hazard

942 views / 1 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/the-atlantic-slave-trade-what-your-textbook-never-told-you-anthony-hazard Slavery has occurred in many forms throughout the world, but the Atlantic slave trade -- which forcibly brought more than 10 million Afri
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The Penny Problem That Breaks Your Brain

505 views / 0 likes - added 2 years ago

Get the Vsauce Curiosity Box: https://www.curiositybox.com/Your mind is a massive collection of information, patterns, trivia, algorithms, and more -- and you have absolutely no idea how or when any of it is going to be useful. If youve got 50 stacks of 5
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What If a Black Hole Replaced The Sun?

429 views / 0 likes - added 4 years ago

Go to https://NordVPN.com/ridddle to get 75% off a 3 year plan and use code RIDDDLE to get an extra month for free! Protect yourself online today!I have a NEW channel "Meet, Arnold!" - https://www.youtube.com/watch?v=NsoJa2pm6MoIf you like this video - pu
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Inside The Minds Of Animals - Bryan B Rasmussen

864 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/inside-the-minds-of-animals-bryan-b-rasmussen Do animals think? It’s a question that has intrigued scientists for thousands of years, inspiring them to come up with different methods and criteria to measure the
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03:57 Popular
The Science Of Macaroni Salad: What's In A Mixture? - Josh Kurz

980 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-science-of-macaroni-salad-what-s-in-a-mixture-josh-kurz What's in macaroni salad? Break down the pasta, mayonnaise, vinegar, mustard, vegetables, etc., and you're left with a bunch of molecules. Josh Kurz us
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How Mendel's pea plants helped us understand genetics - Hortensia Jiménez Díaz

1,538 views / 0 likes - added 6 years ago

View full lesson: http://ed.ted.com/lessons/how-mendel-s-pea-plants-helped-us-understand-genetics-hortensia-jimenez-diaz Each father and mother pass down traits to their children, who inherit combinations of their dominant or recessive alleles. But how do
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What is bipolar disorder? - Helen M. Farrell

644 views / 1 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/what-is-bipolar-disorder-helen-m-farrell The word bipolar means ‘two extremes.’ For the many millions experiencing bipolar disorder around the world, life is split between two different realities: elation and de
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Music as a language - Victor Wooten

612 views / 0 likes - added 6 years ago

View full lesson: http://ed.ted.com/lessons/victor-wooten-music-as-a-language Music is a powerful communication tool--it causes us to laugh, cry, think and question. Bassist and five-time Grammy winner, Victor Wooten, asks us to approach music the same wa
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How The Choices You Make Can Affect Your Genes - Carlos Guerrero-Bosagna

535 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
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The Ancient Origins Of The Olympics - Armand D'Angour

1,096 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

895 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.
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Can machines read your emotions? - Kostas Karpouzis

863 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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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

864 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

2,430 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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The Colors of Stars

192 views / 0 likes - added 2 years ago

Sam the Bat noticed that some stars are different colors, so Mister Brown teaches him about what colors stars can be, and what all the colors mean!Hosted by: Anthony Brown ----------Love SciShow Kids and want to help support it? Become a Patron on Patreon
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How do whales sing? - Stephanie Sardelis

989 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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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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Why are we so attached to our things? - Christian Jarrett

781 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

1,069 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

813 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

1,107 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

688 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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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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What can you learn from ancient skeletons? - Farnaz Khatibi

1,105 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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How Batteries Work - Adam Jacobson

1,545 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

1,593 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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The Arctic Vs. The Antarctic - Camille Seaman

967 views / 2 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-arctic-vs-the-antarctic-camille-seaman How can you tell the two poles apart? Where are the penguins? What about the bears? The Arctic pole is located in the Northern Hemisphere within the deep Arctic Ocean,
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Why doesn’t anything stick to Teflon? - Ashwini Bharathula

668 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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The Absurdity of Detecting Gravitational Waves

483 views / 0 likes - added 7 years ago

A head-vaporizing laser with a perfect wavelength detecting sub-proton space-time ripples. Huge thanks to Prof Rana Adhikari and LIGO: http://ligo.org Here's how he felt when he learned about the first ever detection: https://youtu.be/ViMnGgn87dg Thanks t
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Your Brain Can Solve Algorithms - David J. Malan

1,009 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

833 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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Unusual Facts About Chocolate

150 views / 0 likes - added 1 year ago

Get 4 month for free on a 2y plan here: https://NordVPN.com/whfood. Its risk free with Nords 30 day money-back guarantee! Weird History Food is opening up a delicious video on Chocolate. In one form or another, chocolate has been with mankind for centurie
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Can you solve the fish riddle? - Steve Wyborney

1,370 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

948 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

2,319 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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How Fast Are You Moving Right Now? - Tucker Hiatt

550 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
04:53 Popular
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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When robots become artists, what will humans have left?

474 views / 0 likes - added 5 years ago

Will artificial intelligence ever be able to become true artists? Will they be able to plan stories that are not predictable? I think we will see the development of creativity in our robots, so humans may have to redefine what makes themselves unique. A p
04:57 Popular
Eye Vs. Camera - Michael Mauser

1,098 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

594 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
04:35 Popular
Can You Solve The Prisoner Hat Riddle? - Alex Gendler

1,428 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

1,167 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

615 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

779 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

1,600 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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How a Crystal Radio Works

483 views / 0 likes - added 4 years ago

Full details of how a crystal radio works, right down to the electron level. We start with a demonstration of all the parts in action, showing how the radio waves interact with the antenna and antenna coil to produce a fluctuating magnetic field, which in
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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

916 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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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
06:57 Popular
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 much of human history is on the bottom of the ocean? - Peter Campbell

1,050 views / 1 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/how-much-of-human-history-is-on-the-bottom-of-the-ocean-peter-campbell Sunken relics, ghostly shipwrecks, and lost cities aren’t just wonders found in fictional adventures. Beneath the ocean’s surface, there are
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How smudge-proof lipstick was invented | Moments of Vision 6 - Jessica Oreck

858 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

666 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

1,051 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

857 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
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The Mathematical Code Hidden In Nature

202 views / 0 likes - added 2 years ago

Check out MEGAWOW from @PBS KIDS https://youtu.be/meU4f31gqYIWere on PATREON! Join the community https://www.patreon.com/itsokaytobesmart More info and sources below How do zebras get their stripes? How do leopards get their spots? And how do giraffes get
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Cicadas: The Dormant Army Beneath Your Feet - Rose Eveleth

764 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

729 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

1,152 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

779 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

960 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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When is water safe to drink? - Mia Nacamulli

1,378 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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2:01:21
Sesame Street: Elmo's Songs Collection #4

657 views / 0 likes - added 3 years ago

Sing along with your favorite furry red monster Elmo in his fourth Elmo's Songs Collection, packed with new and forever favorite songs like Happy and You Know it with lyrics, Old MacElmo had a Farm, and more!--Subscribe to the Sesame Street Channel here:
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Algorithmic Bias and Fairness: Crash Course AI #18

283 views / 1 likes - added 4 years ago

Check out my collab with "Above the Noise" about Deepfakes: https://www.youtube.com/watch?v=Ro8b69VeL9UToday, we're going to talk about five common types of algorithmic bias we should pay attention to: data that reflects existing biases, unbalanced classe
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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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How Big Is The Ocean? - Scott Gass

942 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/how-big-is-the-ocean-scott-gass While the Earth's oceans are known as five separate entities, there is really only one ocean. So, how big is it? As of 2013, it takes up 71% of the Earth, houses 99% of the biosph
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Beware of nominalizations (AKA zombie nouns) - Helen Sword

904 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

798 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

916 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

1,630 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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Where Did Russia Come From? - Alex Gendler

915 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

2,729 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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Just Move The 4 #shorts

149 views / 0 likes - added 1 year ago

The best way to divide a certain class of numbers is to use absolutely no math at all. WHAT?! Its true -- you can get the job done simply by transposing the first digit to the end of the number. 410,256 is a small, accessible number to try it. Just slide
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Eli The Eel: A Mysterious Migration - James Prosek

906 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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05:20 Popular
Making Waves: The Power Of Concentration Gradients - Sasha Wright

1,052 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-motion-of-the-ocean-the-concentration-gradient-sasha-wright The constant motion of our oceans represents a vast and complicated system involving many different drivers. Sasha Wright explains the physics behi
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A brief history of numerical systems - Alessandra King

1,577 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

1,064 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

1,373 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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04:32 Popular
The Science Behind The Myth: Homer's

765 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

1,445 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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Origins Of Algebra | Introduction To Algebra | Algebra I | Khan Academy

1,213 views / 0 likes - added 8 years ago

Where did the word "Algebra" and its underlying ideas come from? Watch the next lesson: https://www.khanacademy.org/math/algebra/introduction-to-algebra/overview_hist_alg/v/abstract-ness?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI Algebra I on Kha
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What Is A Gift Economy? - Alex Gendler

788 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

787 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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Can you solve the counterfeit coin riddle? - Jennifer Lu

934 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

784 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

1,196 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

488 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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04:41 Popular
Making Sense Of Irrational Numbers

2,130 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

1,333 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

580 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 Hidden Worlds Within Natural History Museums - Joshua Drew

907 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
04:47 Popular
How does money laundering work? - Delena D. Spann

706 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

185 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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What Is The World Wide Web? - Twila Camp

1,660 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

934 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

795 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

719 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
02:59 Popular
Free Falling In Outer Space - Matt J. Carlson

1,763 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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How To Make Steel Wool Fireworks Spinners For 4th Of July!

1,233 views / 1 likes - added 8 years ago

Steel Wool Fireworks or steel wool sparks ring or steel wool vortex! Whichever you call it we can agree that it's INCREDIBLE! Just be careful! All you need for the steel wool fireworks spinner is a whisk, string and steel wool grade 0 "fine" and BE CAREFU
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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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04:13 Popular
Can You Solve The Temple Riddle? - Dennis E. Shasha

1,007 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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This Invisible Light Shows Us What Our Eyes Can't See

680 views / 0 likes - added 7 years ago

Infrared light is all around us even though we cannot see it. Find out how this invisible radiation impacts our everyday lives. Everything Scientists Could Learn By Looking At Your Skull - https://youtu.be/PtG9uB5C7Sk Sign Up For The Seeker Newsletter Her
04:29 Popular
Why Is Being Scared So Fun? - Margee Kerr

733 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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04:35 Popular
What Would Happen If You Didn’t Sleep? - Claudia Aguirre

1,001 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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04:30 Popular
5 Tips To Improve Your Critical Thinking - Samantha Agoos

1,051 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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Smoke Bomb Smoke Ring Launcher - Sick Science! #197

769 views / 0 likes - added 8 years ago

GET THE 4th OF JULY EXPERIMENT eBOOK HERE: http://www.stevespanglerscience.com/fourth-of-july-experiment-guide.html See the full experiment here: http://www.stevespanglerscience.com/lab/experiments/smoke-bomb-smoke-rings You've seen Steve use a giant smok
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How does impeachment work? - Alex Gendler

753 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.
04:23 Popular
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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04:42 Popular
Why Do Blood Types Matter? - Natalie S. Hodge

1,232 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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Making Glowing Plasma in a Microwave

639 views / 0 likes - added 6 years ago

SUBSCRIBE!: http://bit.ly/1G97GmA SHARE THIS VIDEO: https://youtu.be/pVs8HwpPCpA Science Team! We made the fourth state of matter (nbd) with a microwave and some incense I got a home good store. I will admit, this one freaked me out a bit. The sounds and
05:20 Popular
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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04:50
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
04:17 Popular
What Causes Economic Bubbles? - Prateek Singh

1,053 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

603 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
04:11 Popular
What Are Stem Cells? - Craig A. Kohn

2,335 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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03:47 Popular
Development Of English Drama - Mindy Ploeckelmann

865 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.
04:30 Popular
The Chemistry Of Cookies - Stephanie Warren

786 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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04:09 Popular
The Moon Illusion - Andrew Vanden Heuvel

819 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
04:49 Popular
Exploring Other Dimensions - Alex Rosenthal And George Zaidan

889 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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How One Supernova Measured The Universe

314 views / 0 likes - added 3 years ago

In 2015 astronomers successfully predicted the appearance of a supernova within a couple weeks. How did they do it? Win your Ultimate Tech Bundle by entering Fasthosts Techie Test here: https://fasthosts.com/veritasium (Competition now closed) This video
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The Nurdles' Quest For Ocean Domination - Kim Preshoff

840 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/the-nurdles-quest-for-ocean-domination-kim-preshoff Nurdles are the tiny, factory-made pellets that form the raw material for every plastic product that we use, from toys to toothbrushes. And while they look pre
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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
03:45
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
04:35
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'
03:47 Popular
History Through The Eyes Of The Potato - Leo Bear-McGuinness

996 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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05:44 Popular
The Sonic Boom Problem - Katerina Kaouri

1,022 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
03:55 Popular
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

885 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
04:47 Popular
What's Hidden Among The Tallest Trees On Earth? - Wendell Oshiro

840 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
04:59 Popular
Who Am I? A Philosophical Inquiry - Amy Adkins

1,149 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
04:47 Popular
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
04:47 Popular
Can Wildlife Adapt To Climate Change? - Erin Eastwood

1,928 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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03:28 Popular
Buffalo Buffalo Buffalo: One-word Sentences And How They Work - Emma Bryce

761 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

535 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
04:12
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

676 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
04:51 Popular
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

557 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

1,165 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

956 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

688 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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