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

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

1,100 views / 0 likes - added 8 years ago

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

968 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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04:28 Popular
The True Story Of 'true' - Gina Cooke

733 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-true-story-of-true-gina-cooke The older the word, the longer (and more fascinating) the story. With roots in Old English, 'true' shares etymological ancestors with words like betroth and truce...but also wit
04:47 Popular
Is there a limit to technological progress? - Clément Vidal

726 views / 0 likes - added 7 years ago

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

854 views / 0 likes - added 9 years ago

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

1,674 views / 1 likes - added 9 years ago

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

814 views / 0 likes - added 8 years ago

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

1,025 views / 1 likes - added 8 years ago

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

587 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-contributions-of-female-explorers-courtney-stephens During the Victorian Age, women were unlikely to become great explorers, but a few intelligent, gritty and brave women made major contributions to the stud
04:58 Popular
How North America Got Its Shape - Peter J. Haproff

1,019 views / 0 likes - added 7 years ago

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

520 views / 0 likes - added 8 years ago

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

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

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

482 views / 1 likes - added 6 years ago

In our increasingly globalized world, a single infected person can board a plane and spread a virus across continents. Mark Honigsbaum describes the history of pandemics and how that knowledge can help halt future outbreaks. "How Pandemics Spread" is a le
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How Cosmic Rays Help Us Understand The Universe - Veronica Bindi

720 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?
03:53 Popular
Why Is This Painting So Captivating? - James Earle And Christina Bozsik

837 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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01:52
Mysteries Of Vernacular: Odd - Jessica Oreck And Rachael Teel

613 views / 0 likes - added 8 years ago

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

712 views / 0 likes - added 8 years ago

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

870 views / 0 likes - added 8 years ago

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

852 views / 0 likes - added 9 years ago

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

646 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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06:01
The Wars That Inspired Game Of Thrones - Alex Gendler

645 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/the-wars-that-inspired-game-of-thrones-alex-gendler Beginning around 1377, medieval England was shaken by a power struggle between two noble families, which spanned generations and involved a massive cast of cha
05:26 Popular
Jellyfish predate dinosaurs. How have they survived so long? - David Gruber

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

View full lesson: http://ed.ted.com/lessons/jellyfish-predate-dinosaurs-how-have-they-survived-so-long-david-gruber Some are longer than a blue whale. Others are barely larger than a grain of sand. One species unleashes one of the most deadly venoms on ea
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Will Future Spacecraft Fit In Our Pockets? - Dhonam Pemba

871 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
04:50 Popular
Could Anyone Make A Jackson Pollock Painting? - Sarah Rosenthal

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

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

981 views / 0 likes - added 8 years ago

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

494 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/is-there-a-reproducibility-crisis-in-science-matt-anticole Published scientific studies can motivate research, inspire products, and inform policy. However, recent studies that examined dozens of published pharm
04:25 Popular
The genius of Mendeleev's periodic table - Lou Serico

2,114 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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04:42 Popular
The Famously Difficult Green-eyed Logic Puzzle - Alex Gendler

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

View full lesson: http://ed.ted.com/lessons/the-famously-difficult-green-eyed-logic-puzzle-alex-gendler One hundred green-eyed logicians have been imprisoned on an island by a mad dictator. Their only hope for freedom lies in the answer to one famously di
04:59
What Happens When Your DNA Is Damaged? - Monica Menesini

626 views / 0 likes - added 8 years ago

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

800 views / 0 likes - added 8 years ago

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

1,243 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/how-stress-affects-your-body-sharon-horesh-bergquist Our hard-wired stress response is designed to gives us the quick burst of heightened alertness and energy needed to perform our best. But stress isn’t all goo
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04:00 Popular
The Secret Lives Of Baby Fish - Amy McDermott

857 views / 1 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/the-secret-lives-of-baby-fish-amy-mcdermott Coral reef fish, like the yellow tang surgeonfish, begin life in a fascinating and weird way – as tiny floating larvae! These babies are capable of drifting thousands
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08:08
Hidden Colors in Water

205 views / 0 likes - added 2 years ago

In both steam and on the surface of hot water, patterns and colors are revealed in optimal light conditions. But there's more... Music: https://posy.bandcamp.com/ Or Spotify: https://open.spotify.com/artist/3zkrmBzisZKngkrd6gXLHg Or Apple Music: https://m
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How to Draw a NightLight (Baby Dragon) | HOW TO TRAIN YOUR DRAGON - HOMECOMING

655 views / 0 likes - added 4 years ago

Learn how to draw the cutest dragons in New Berk - the NightLights! Join in the festivities with all the Vikings in New Berk as they celebrate the holidays in this all-new CG animated 22-minute adventure coming to television this holiday. Taking place jus
03:55 Popular
Mansa Musa, One Of The Wealthiest People Who Ever Lived - Jessica Smith

911 views / 0 likes - added 9 years ago

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

1,022 views / 7 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/the-genius-of-marie-curie-shohini-ghose Marie Skłodowska Curie’s revolutionary research laid the groundwork for our understanding of physics and chemistry, blazing trails in oncology, technology, medicine, and n
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05:14
How To Fossilize...yourself - Phoebe A. Cohen

561 views / 0 likes - added 8 years ago

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

610 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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05:24 Popular
Can you solve the pirate riddle? - Alex Gendler

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

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

791 views / 1 likes - added 8 years ago

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

672 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/what-s-the-big-deal-with-gluten-william-d-chey If you've been to a restaurant in the last few years, you’ve likely seen the words gluten-free written somewhere on the menu. But what exactly is gluten, and why ca
03:42 Popular
How Many Ways Can You Arrange A Deck Of Cards? - Yannay Khaikin

772 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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05:43 Popular
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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NASAs Future Telescopes Will Float at the Edge of Space

244 views / 0 likes - added 3 years ago

NASA wants a new type of space telescope. A team of scientists and engineers at NASA are developing ways to send ultra cold and ultra large balloon telescopes to the edge of space, which could open up a brand new way of seeing the cosmos.Subscribe to Seek
05:53 Popular
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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03:39 Popular
What You Might Not Know About The Declaration Of Independence - Kenneth C. Davis

896 views / 2 likes - added 9 years ago

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

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

View full lesson: http://ed.ted.com/lessons/what-is-the-shape-of-a-molecule-george-zaidan-and-charles-morton A molecule is nearly all empty space, apart from the extremely dense nuclei of its atoms and the clouds of electrons that bond them together. When
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NASA’s Cryosleep Chamber Could Help You Snooze Your Way to Mars

484 views / 0 likes - added 6 years ago

NASA is teaming up with a company called SpaceWorks to create a sleeping pod that could get astronauts into deep space. How does it work? Thanks to Salad, We’re One Step Closer to Colonizing Space - https://youtu.be/9Vh4__TY78A Read More: The Hibernation
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Why Aren’t Humans Naturally Nocturnal?

838 views / 0 likes - added 7 years ago

Our bodies depend on light and dark for optimal sleep patterns. Here's why sleeping with the lights out is more important that you think. Why Do We Yawn? - http://bit.ly/28SDDts Sign Up For The Seeker Newsletter Here - http://bit.ly/1UO1PxI Read More: Lig
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The Past, Present And Future Of The Bubonic Plague - Sharon N. DeWitte

767 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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05:11 Popular
How Do Carbohydrates Impact Your Health? - Richard J. Wood

1,487 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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The Fight For The Right To Vote In The United States - Nicki Beaman Griffin

595 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

682 views / 0 likes - added 9 years ago

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

890 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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How A Single-celled Organism Almost Wiped Out Life On Earth - Anusuya Willis

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

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

810 views / 1 likes - added 7 years ago

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

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

View full lesson: http://ed.ted.com/lessons/music-and-creativity-in-ancient-greece-tim-hansen You think you love music? You have nothing on the Ancient Greek obsession. Every aspect of Greek life was punctuated by song: history, poetry, theater, sports an
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A Poetic Experiment: Walt Whitman, Interpreted By Three Animators - Justin Moore

670 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/a-poetic-experiment-walt-whitman-interpreted-by-three-animators-justin-moore Take a journey through Walt Whitman's poem 'A Noiseless Patient Spider' with the help of three animators who each used a different ani
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How To Draw A Butterfly Skeleton For Halloween

181 views / 0 likes - added 1 year ago

Yay! Today, we're learning how to draw a cute butterfly skeleton! This lesson is really fun and a great decoration for Halloween! We hope you and your kids enjoy customizing this lesson. Art Supplies ~ This is a list of the supplies we used, but feel free
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Particles And Waves: The Central Mystery Of Quantum Mechanics - Chad Orzel

827 views / 0 likes - added 9 years ago

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

611 views / 0 likes - added 8 years ago

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

1,356 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/what-is-metallic-glass-ashwini-bharathula Steel and plastic are essential to much of our infrastructure and technology. Steel is strong and hard, but difficult to shape intricately. Plastic can take on just abou
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05:11
The Microbial Jungles All Over The Place (and You) - Scott Chimileski And Roberto Kolter

689 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-microbial-jungles-all-over-the-place-and-you-scott-chimileski-and-roberto-kolter As we walk through our daily environments, we’re surrounded by exotic creatures that are too small to see with the naked eye.
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Why Don't Oil And Water Mix? - John Pollard

1,135 views / 1 likes - added 8 years ago

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

847 views / 4 likes - added 8 years ago

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

814 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/what-s-the-fastest-way-to-alphabetize-your-bookshelf-chand-john You work at the college library. You’re in the middle of a quiet afternoon when suddenly, a shipment of 1,280 books arrives. The books are in a str
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05:08 Popular
Why The Metric System Matters - Matt Anticole

1,600 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/why-the-metric-system-matters-matt-anticole For the majority of recorded human history, units like the weight of a grain or the length of a hand weren’t exact and varied from place to place. Now, consistent meas
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RNAi: Slicing, Dicing And Serving Your Cells - Alex Dainis

714 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/rnai-slicing-dicing-and-serving-your-cells-alex-dainis RNA, the genetic messenger, makes sure the DNA recipe gives your cells exactly what they ordered. But sometimes that means inhibiting some other RNA that go
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4 signs of emotional abuse - Viann Nguyen-Feng

243 views / 0 likes - added 2 years ago

Learn how to spot some of the most common signs of emotional abuse and what you can do if someone is experiencing these behaviors.--Emotional abuse can be incredibly damaging, increasing a persons chances of developing depression and anxiety. But these be
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Can origami save your life? - Evan Zodl

305 views / 0 likes - added 3 years ago

Dig into the mathematical rules and patterns of folding origami, the ancient Japanese art of paper folding. --Origami, which literally translates to folding paper, is a Japanese practice dating back to at least the 17th century. In origami, a single, trad
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How Brain Parasites Change Their Host's Behavior - Jaap De Roode

795 views / 1 likes - added 9 years ago

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

1,050 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/plato-s-allegory-of-the-cave-alex-gendler Twenty four hundred years ago, Plato, one of history’s most famous thinkers, said life is like being chained up in a cave forced to watch shadows flitting across a stone
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Search And Seizure: Crash Course Government And Politics #27

703 views / 0 likes - added 8 years ago

This week Craig talks about police searches and seizures. Now, the fourth amendment says that you have the right to be protected against "unreasonable searches and seizures" but what exactly this mean? Well, it's complicated. The police often need warrant
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How Brass Instruments Work - Al Cannon

897 views / 1 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/how-brass-instruments-work-al-cannon What gives the trumpet its clarion ring and the tuba its gut shaking oompah-pah? And what makes the trombone so jazzy? Al Cannon shows how these answers lie not in the brass
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Why Is Bread Fluffy, Vinegar Sour, And Swiss Cheese Holey? - Erez Garty

1,329 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/why-is-bread-fluffy-vinegar-sour-and-swiss-cheese-holey-erez-garty Where does bread get its fluffiness? Swiss cheese its holes? And what makes vinegar so sour? These foods may taste completely different, but all
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If Matter Falls Down, Does Antimatter Fall Up? - Chloé Malbrunot

660 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/if-matter-falls-down-does-antimatter-fall-up-chloe-malbrunot Like positive and negative, or debit and credit, matter and antimatter are equal and opposite. So if matter falls down, does antimatter fall up? Chloé
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The Loathsome, Lethal Mosquito - Rose Eveleth

1,235 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-loathsome-lethal-mosquito-rose-eveleth Everyone hates mosquitos. Besides the annoying buzzing and biting, mosquito-borne diseases like malaria kill over a million people each year (plus horses, dogs and cats
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Why Can Blu-rays Hold More Than DVDs?

447 views / 1 likes - added 8 years ago

Blu-rays can hold about ten times more than DVDs because Blu-ray players use special blue lasers to read them. But it took a while for scientists to figure out how to make those lasers work. Hosted by: Michael Aranda ---------- Dooblydoo thanks go to the
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The Paradox Of Value - Akshita Agarwal

893 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/the-paradox-of-value-akshita-agarwal Imagine you’re on a game show and you can choose between two prizes: a diamond … or a bottle of water. It’s an easy choice – the diamonds are more valuable. But if given the
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What Is Leukemia? - Danilo Allegra And Dania Puggioni

935 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/what-is-leukemia-danilo-allegra-and-dania-puggioni Stem cells found in the bone marrow are crucial for our health because they are needed to become new blood cells that sustain and protect our bodies. But when t
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Every Map Of Louisiana Is A Lie

597 views / 0 likes - added 6 years ago

Louisiana's coastline is sinking faster than all the other contiguous 47 states, combined. This means that Louisiana's shape does not look like the boot you might see on your grade school map. As the coastline continues to sink, it threaten's the entire n
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What happens during a heart attack? - Krishna Sudhir

1,695 views / 1 likes - added 7 years ago

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

846 views / 1 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/the-history-of-the-cuban-missile-crisis-matthew-a-jordan Imagine going about your life knowing that, at any given moment, you and everyone you know could be wiped out without warning at the push of a button. Thi
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Is light a particle or a wave? - Colm Kelleher

1,631 views / 0 likes - added 6 years ago

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

881 views / 4 likes - added 8 years ago

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

575 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-death-of-the-universe-renee-hlozek The shape, contents and future of the universe are all intricately related. We know that it's mostly flat; we know that it's made up of baryonic matter (like stars and plan
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A Trip Through Space To Calculate Distance - Heather Tunnell

1,037 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/a-trip-through-space-to-calculate-distance-heather-tunnell Imagine two aliens racing across outer space to their moon. Who can we deem the fastest alien? With DIRT -- or the equation Distance = Rate x Time -- we
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How To Make a Hexaflexagon: The Definitive Guide

617 views / 1 likes - added 6 years ago

Printable patterns: http://vihart.com/hexaflexagons Shirts (we only printed a limited run, sorry if we're sold out of your favourite!): https://store.dftba.com/collections/vi-hart This video is supported not mostly by shirts but mostly by viewers like you
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The Science Of Skin Color - Angela Koine Flynn

1,095 views / 0 likes - added 8 years ago

View full lesson: https://ed.ted.com/lessons/the-science-of-skin-color-angela-koine-flynn When ultraviolet sunlight hits our skin, it affects each of us differently. Depending on skin color, it’ll take only minutes of exposure to turn one person beetroot-
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Did Shakespeare Write His Plays? - Natalya St. Clair And Aaron Williams

1,100 views / 1 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/did-shakespeare-write-his-plays-natalya-st-clair-and-aaron-williams Some people question whether Shakespeare really wrote the works that bear his name – or whether he even existed at all. Could it be true that t
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How People Rationalize Fraud - Kelly Richmond Pope

987 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/how-people-rationalize-fraud-kelly-richmond-pope If you ask people whether they think stealing is wrong, most of them would answer yes. And yet, in 2013, organizations all over the world lost an estimated total
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How To Build A Fictional World - Kate Messner

673 views / 2 likes - added 8 years ago

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

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

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

1,902 views / 0 likes - added 8 years ago

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

720 views / 0 likes - added 8 years ago

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

1,732 views / 1 likes - added 9 years ago

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

720 views / 1 likes - added 7 years ago

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

777 views / 0 likes - added 8 years ago

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

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

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

937 views / 9 likes - added 7 years ago

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

870 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-origins-of-ballet-jennifer-tortorello-and-adrienne-westwood Can you imagine a party where every movement and every visual detail were governed by a complex system of rules and procedures? For centuries, such
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Big Data - Tim Smith

790 views / 0 likes - added 6 years ago

View full lesson: http://ed.ted.com/lessons/exploration-on-the-big-data-frontier-tim-smith There is a mind-boggling amount of data floating around our society. Physicists at CERN have been pondering how to store and share their ever more massive data for
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The Coelacanth: A Living Fossil Of A Fish - Erin Eastwood

1,083 views / 0 likes - added 9 years ago

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

707 views / 0 likes - added 8 years ago

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

1,901 views / 3 likes - added 8 years ago

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

856 views / 1 likes - added 9 years ago

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

795 views / 0 likes - added 9 years ago

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

534 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/mysteries-of-vernacular-ukulele-jessica-oreck-and-rachael-teel When 19th century Portuguese travelers landed in Hawaii with a small four-stringed guitar, a member of the king's court, nicknamed Jumping Flea, or
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What Color Is Tuesday? Exploring Synesthesia - Richard E. Cytowic

616 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/what-color-is-tuesday-exploring-synesthesia-richard-e-cytowic How does one experience synesthesia -- the neurological trait that combines two or more senses? Synesthetes may taste the number 9 or attach a color
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Why Tragedies Are Alluring - David E. Rivas

624 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/why-tragedies-are-alluring-david-e-rivas The story goes something like this: A royal, rich, or righteous individual — who is otherwise a lot like us — makes a mistake that sends his or her life spiraling into ru
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The Algebra Plant #shorts

172 views / 0 likes - added 1 year ago

A tremendous amount of math is found in nature, and it's most obvious in Fibonacci/Golden Ratio patterns in the world's flora. But the Schumanniophyton problematicum plant's leaves are determined by algebra, and a simple equation can tell you exactly how
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The history of chocolate - Deanna Pucciarelli

1,111 views / 2 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/the-history-of-chocolate-deanna-pucciarelli If you can’t imagine life without chocolate, you’re lucky you weren’t born before the 16th century. Until then, chocolate only existed as a bitter, foamy drink in Meso
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Is Our Climate Headed For A Mathematical Tipping Point? - Victor J. Donnay

636 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/is-our-climate-headed-for-mathematical-chaos-victor-j-donnay Scientists have warned that as CO2 levels in the atmosphere rise an increase in Earth’s temperature by even two degrees could lead to catastrophic eff
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The tale of the boy who tricked the Devil - Iseult Gillespie

640 views / 2 likes - added 3 years ago

Discover the tale of the lovestruck boy sent into Hell to steal 3 hairs from the Devil to appease his true love's father, the king.--In a small town, a proud mother showed off her newborn son. Upon noticing his lucky birthmark, townsfolk predicted he woul
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Can You Solve The Frog Riddle? - Derek Abbott

1,724 views / 2 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/can-you-solve-the-frog-riddle-derek-abbott You’re stranded in a rainforest, and you’ve eaten a poisonous mushroom. To save your life, you need an antidote excreted by a certain species of frog. Unfortunately, on
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Gravity And The Human Body - Jay Buckey

1,190 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/gravity-and-the-human-body-jay-buckey Our bodies function necessarily under the presence of gravity; how blood pumps, a sense of balance and bone growth are all due to life in a world where gravity is an inescap
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Norway’s $47BN Coastal Highway | The B1M

453 views / 0 likes - added 5 years ago

The Norwegian government are embarking on the largest infrastructure project in the country's history. For more by The B1M subscribe now: http://ow.ly/GxW7y Footage and images courtesy of the Norwegian Public Roads Administration, Vianova Plan og Trafikk
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Bird Migration, A Perilous Journey - Alyssa Klavans

986 views / 0 likes - added 8 years ago

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

1,175 views / 2 likes - added 9 years ago

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

1,128 views / 2 likes - added 6 years ago

View full lesson: http://ed.ted.com/lessons/how-to-squeeze-electricity-out-of-crystals-ashwini-bharathula It might sound like science fiction, but if you press on a crystal of sugar, it will actually generate its own electricity. This simple crystal can a
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A Different Way To Visualize Rhythm - John Varney

962 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/a-different-way-to-visualize-rhythm-john-varney In standard notation, rhythm is indicated on a musical bar line. But there are other ways to visualize rhythm that can be more intuitive. John Varney describes the
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Malaria Lifecycle Part 1: Human Host (2016)

550 views / 0 likes - added 5 years ago

This visualization reconstructs malaria infection of a human child via mosquito bite, through invasion of cellular tissues including the liver and blood. All features are to scale, including mosquito, blood vessels, human cells and parasite. The visualiza
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Feedback Loops: How Nature Gets Its Rhythms - Anje-Margriet Neutel

1,859 views / 0 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/feedback-loops-how-nature-gets-its-rhythms-anje-margriet-neutel While feedback loops are a bummer at band practice, they are essential in nature. What does nature’s feedback look like, and how does it build the
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What causes kidney stones? - Arash Shadman

1,427 views / 0 likes - added 6 years ago

View full lesson: http://ed.ted.com/lessons/what-causes-kidney-stones-arash-shadman The biggest kidney stone on record weighed more than a kilogram and was 17 centimeters in diameter. The patient didn’t actually swallow a stone the size of a coconut; kidn
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The left brain vs. right brain myth - Elizabeth Waters

1,137 views / 2 likes - added 6 years ago

View full lesson: https://ed.ted.com/lessons/the-left-brain-vs-right-brain-myth-elizabeth-waters The human brain is visibly split into a left and right side. This structure has inspired one of the most pervasive ideas about the brain: that the left side c
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The Physics Of the Most Difficult Ballet Move

831 views / 1 likes - added 8 years ago

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

1,333 views / 0 likes - added 8 years ago

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

685 views / 0 likes - added 7 years ago

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

905 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-surprising-reason-you-feel-awful-when-you-re-sick-marco-a-sotomayor It starts with a tickle in your throat that becomes a cough. Your muscles begin to ache, you grow irritable, and you lose your appetite. It
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I Spent 7 Days Buried Alive

62 views / 1 likes - added 1 month ago

Please don't try this at home lolVerizon 5G Home Internet for as low as $35/month. Opt-in and you could get a $200 Amazon.com gift card on Verizon see details at: https://bit.ly/mrbeastverizonNew Merch - https://mrbeast.storeCheck out Viewstats! - https:/
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What Happens When Continents Collide? - Juan D. Carrillo

674 views / 2 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/what-happens-when-continents-collide-juan-d-carrillo Tens of millions of years ago, plate tectonics set North and South America on an unavoidable collision course that would change the face of the Earth and spel
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Dark matter: The matter we can't see - James Gillies

1,058 views / 1 likes - added 6 years ago

View full lesson: http://ed.ted.com/lessons/dark-matter-the-matter-we-can-t-see-james-gillies The Greeks had a simple and elegant formula for the universe: just earth, fire, wind, and water. Turns out there's more to it than that -- a lot more. Visible ma
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Why do airlines sell too many tickets? - Nina Klietsch

657 views / 0 likes - added 7 years ago

View full lesson on ed.ted.com: http://ed.ted.com/lessons/why-do-airlines-sell-too-many-tickets-nina-klietsch Have you ever sat in a doctor’s office for hours, despite having an appointment? Has a hotel turned down your reservation because it’s full? Have
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Mysteries Of Vernacular: Yankee - Jessica Oreck And Rachael Teel

581 views / 0 likes - added 8 years ago

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

932 views / 1 likes - added 8 years ago

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

821 views / 0 likes - added 8 years ago

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

891 views / 0 likes - added 8 years ago

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

645 views / 0 likes - added 6 years ago

View full lesson: http://ed.ted.com/lessons/how-does-caffeine-keep-us-awake-hanan-qasim Over 100,000 metric tons of caffeine are consumed around the world every year. That’s equivalent to the weight of 14 Eiffel Towers! Caffeine helps us feel alert, focus
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How To Create Cleaner Coal - Emma Bryce

804 views / 0 likes - added 9 years ago

View full lesson here: http://ed.ted.com/lessons/how-to-create-cleaner-coal-emma-bryce It takes a lot of fuel to heat our homes, preserve our food, and power our gadgets. And for 40 percent of the world, cheap, plentiful coal gets the job done. But coal a
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Will the ocean ever run out of fish? - Ayana Elizabeth Johnson and Jennifer Jacquet

775 views / 1 likes - added 6 years ago

View full lesson: https://ed.ted.com/lessons/will-the-ocean-ever-run-out-of-fish-ayana-elizabeth-johnson-and-jennifer-jacquet When most people think of fishing, we imagine relaxing in a boat and patiently reeling in the day’s catch. But modern industrial
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The Physics Of Playing Guitar - Oscar Fernando Perez

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

View full lesson: http://ed.ted.com/lessons/the-physics-of-playing-guitar-oscar-fernando-perez Guitar masters like Jimi Hendrix are capable of bending the physics of waves to their wills, plucking melody from inspiration and vibration. But how do wood, me
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How To Draw A Kid In A Frankenstein Costume

76 views / 0 likes - added 7 months ago

Hey, art friends! Today, Teryn and I are drawing a kid in a Frankenstein costume, based on our previous duck costume lesson! It's a super fun way to show how you can change up a lesson to make it your own. Challenge time: Can your kids do this lesson agai
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Why Do Honeybees Love Hexagons? - Zack Patterson And Andy Peterson

852 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/why-do-honeybees-love-hexagons-zack-patterson-and-andy-peterson Honeybees are some of nature's finest mathematicians. Not only can they calculate angles and comprehend the roundness of the earth, these smart ins
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The Strengths And Weaknesses Of Acids And Bases - George Zaidan And Charles Morton

956 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-strengths-and-weaknesses-of-acids-and-bases-george-zaidan-and-charles-morton Vinegar may have a powerful smell, but did you know it's actually a weak acid? In the chemical economy, acids actively give away t
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Tricking the Worlds Smartest Dragon | DRAGONS: THE NINE REALMS

41 views / 0 likes - added 4 months ago

WATCH MORE https://www.youtube.com/playlist?list=UULFY26xU0-avwTJ6F6TzUZVEw SUBSCRIBE https://www.youtube.com/c/PeacockKids?sub_confirmation=1Tom and the dragon riders devise a plan to neutralize Jrmungandr so they can return him to his chamber and seal h
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What Happens When You Remove The Hippocampus? - Sam Kean

804 views / 0 likes - added 9 years ago

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

2,200 views / 2 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-earth-s-age-in-measurements-you-can-understand-joshua-m-sneideman The Earth is 4.6 billion years old -- but how can humans relate to a number so colossal, and where do we fit on the geologic timeline? Compar
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How Do Schools Of Fish Swim In Harmony? - Nathan S. Jacobs

903 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/how-do-schools-of-fish-swim-in-harmony-nathan-s-jacobs How do schools of fish swim in harmony? How do the tiny cells in your brain give rise to the complex thoughts, memories, and consciousness that are you? Odd
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Meet the tardigrade, the toughest animal on Earth - Thomas Boothby

1,030 views / 1 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/meet-the-tardigrade-the-toughest-animal-on-earth-thomas-boothby Without water, a human can only survive for about 100 hours. But there’s a creature so resilient that it can go without it for decades. This
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How One Piece Of Legislation Divided A Nation - Ben Labaree, Jr.

720 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-legislation-that-birthed-the-republican-party-ben-labaree-jr You may think that things are heated in Washington today, but the Kansas-Nebraska Act of 1854 had members of Congress so angry they pulled out the
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Cars 3 - Official US Trailer

1,224 views / 1 likes - added 6 years ago

One last chance. One more dream. ⚡ Watch the new Cars 3 trailer. Blindsided by a new generation of blazing-fast racers, the legendary Lightning McQueen (voice of Owen Wilson) is suddenly pushed out of the sport he loves. To get back in the game, he will n
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How the food you eat affects your gut - Shilpa Ravella

881 views / 1 likes - added 7 years ago

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

705 views / 0 likes - added 7 years ago

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

751 views / 0 likes - added 8 years ago

View full lesson: https://ed.ted.com/lessons/how-to-make-your-writing-funnier-cheri-steinkellner Did you ever notice how many jokes start with “Did you ever notice?” And what’s the deal with “What’s the deal?” There’s a lot of funny to be found simply by
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Can other animals understand death? - Barbara J. King

151 views / 0 likes - added 11 months ago

Do nonhuman animals experience grief? Explore mourning in the animal kingdom to find out the answer to this tricky question.--In 2018, an orca called Tahlequah gave birth. But her daughter died within an hour. Tahlequah, however, didnt leave her body. Ove
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How do US Supreme Court justices get appointed? - Peter Paccone

529 views / 1 likes - added 7 years ago

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

1,297 views / 4 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/is-there-a-disease-that-makes-us-love-cats-jaap-de-roode Today, about a third of the world’s population is infected with a strange disease called toxoplasmosis — and most of them never even know it. And while th
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How Did Hitler Rise To Power? - Alex Gendler And Anthony Hazard

1,112 views / 5 likes - added 7 years ago

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

923 views / 0 likes - added 8 years ago

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

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

View full lesson: http://ed.ted.com/lessons/can-you-solve-the-control-room-riddle-dennis-shasha As your country's top spy, you must infiltrate the headquarters of the evil syndicate, find the secret control panel, and deactivate their death ray. But your
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The myth of Icarus and Daedalus - Amy Adkins

976 views / 0 likes - added 7 years ago

View full lesson: ed.ted.com/lessons/the-myth-of-icarus-and-daedalus-amy-adkins In mythological ancient Greece, Icarus flew above Crete on wings made from wax and feathers, defying the laws of man and nature. To witnesses on the ground, he looked like a g
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The Brightest Part Of A Shadow Is In The Middle

578 views / 0 likes - added 8 years ago

Why is there a bright spot behind spherical objects? Be the first to find out about new projects: http://www.veritasium.com Filmed by Nathan Watkins and Raquel Nuno, animation by Meg Rosenburg. Music by Kevin MacLeod, http://www.incompetech.com 'Scissors'
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Hunt For The Elusive 4th Klein Bottle - Numberphile

534 views / 0 likes - added 8 years ago

Carlo Séquin on his search for the elusive "fourth type of Klein bottle". More videos on Klein Bottles: http://bit.ly/KleinBottles Carlo's paper: http://bit.ly/Carlo_Klein Also featuring Carlo: Mobius House https://youtu.be/iwo7JReFTeg Torus Donut https:/
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How did Dracula become the world's most famous vampire? - Stanley Stepanic

841 views / 1 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/how-did-dracula-become-the-world-s-most-famous-vampire-stanley-stepanic Over a hundred years after his creator was laid to rest, Dracula lives on as the most famous vampire in history. But this Transylvanian nob
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There Are Oceans In Our Solar System That Could Contain Life

486 views / 0 likes - added 7 years ago

Where else in our solar system is there water? How are oceans in outer space different than ours? Is The Moon A Star? - https://youtu.be/tYYgHq1FfDk Sign Up For The Seeker Newsletter Here - http://bit.ly/1UO1PxI Read More: Cassini Finds Global Ocean in Sa
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Learning From Smallpox: How To Eradicate A Disease - Julie Garon And Walter A. Orenstein

772 views / 0 likes - added 9 years ago

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

1,046 views / 2 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/why-it-s-so-hard-to-cure-hiv-aids-janet-iwasa In 2008, something incredible happened: a man was cured of HIV. In over 70 million HIV cases, this was a first, and, so far, a last, and we don’t yet understand exac
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Is There A Center Of The Universe? - Marjee Chmiel And Trevor Owens

698 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/is-there-a-center-of-the-universe-marjee-chmiel-and-trevor-owens It's been a long road to the discovery that Earth is not the center of the Solar System, the Milky Way, or the universe; great thinkers from Arist
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Check your intuition: The birthday problem - David Knuffke

901 views / 0 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/check-your-intuition-the-birthday-problem-david-knuffke Imagine a group of people. How big do you think the group would have to be before there’s more than a 50% chance that two people in the group have the same
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How NYC plans to survive the next superstorm

375 views / 0 likes - added 5 years ago

Sandy hit New York City almost six years ago and the city is still recovering. As storms grow even more frequent and severe, cities around the world are struggling to prepare themselves for the worst. We took a behind-the-scenes look at New York’s subway
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How Ancient Art Influenced Modern Art - Felipe Galindo

1,309 views / 2 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/how-ancient-art-influenced-modern-art-felipe-galindo The term modern art sounds like it means art that is popular now, but the style actually originated over 150 years ago and includes artists like Picasso, Mati
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Aphasia: The disorder that makes you lose your words - Susan Wortman-Jutt

723 views / 1 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/aphasia-the-disorder-that-makes-you-lose-your-words-susan-wortman-jutt Language is an essential part of our lives that we often take for granted. But, if the delicate web of language networks in your brain becam
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Do You Really Need To Wash Your Jeans?

774 views / 0 likes - added 8 years ago

You might have heard this odd advice from fashion gurus before – “don’t wash your jeans!” But why? Is it real advice, or just a prank pulled on unsuspecting, dim-witted denim rubes? Learn more at HowStuffWorks.com: http://lifestyle.howstuffworks.com/style
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Become a slam poet in five steps - Gayle Danley

619 views / 0 likes - added 6 years ago

View full lesson: http://ed.ted.com/lessons/become-a-slam-poet-in-five-steps-gayle-danley With enough passion and practice, becoming a slam poet is within your reach. Explore a distant memory on paper, then read it out loud. Edit. Try reading it out loud
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Nature's Smallest Factory: The Calvin Cycle - Cathy Symington

1,123 views / 0 likes - added 8 years ago

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

758 views / 2 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/could-we-survive-prolonged-space-travel-lisa-nip Prolonged space travel plays a severe toll on the human body: microgravity impairs muscle and bone growth, and high doses of radiation cause irreversible mutation
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03:56 Popular
Why Does Ice Float In Water? - George Zaidan And Charles Morton

1,145 views / 3 likes - added 8 years ago

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

1,144 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-turing-test-can-a-computer-pass-for-a-human-alex-gendler What is consciousness? Can an artificial machine really think? For many, these have been vital considerations for the future of artificial intelligenc
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04:27 Popular
The Immortal Cells Of Henrietta Lacks - Robin Bulleri

883 views / 2 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-immortal-cells-of-henrietta-lacks-robin-bulleri Imagine something small enough to float on a particle of dust that holds the keys to understanding cancer, virology, and genetics. Luckily for us, such a thing
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03:35 Popular
How did trains standardize time in the United States? - William Heuisler

943 views / 0 likes - added 6 years ago

View full lesson: http://ed.ted.com/lessons/how-did-trains-standardize-time-in-the-united-states-william-heuisler If you live in the United States, you may live in the Eastern Standard Time Zone. Or maybe you live in Mountain Standard Time or one of the o
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This Turkish Ice Cream Doesn't Melt

393 views / 1 likes - added 4 years ago

Ankara might be the capital city, but Kahramanmara is Turkeys undisputed ice cream capital. Atilla Kanbur is the fourth generation in his family to make delicious Turkish ice cream, churning out 5 tons of the sweet stuff a day. Whats so special about Turk
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How do animals see in the dark?

778 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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Braids in Higher Dimensions - Numberphile

455 views / 0 likes - added 6 years ago

Braids and the fourth dimension, with Dr Zsuzsanna Dancso. More links & stuff in full description below ↓↓↓ More videos with Dr Zsuzsanna Dancso: http://bit.ly/dancso_playlist Extra bit from this interview: https://youtu.be/z39k3qMnSRM Animation by Pete M
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How Art Can Help You Analyze - Amy E. Herman

1,324 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/how-art-can-help-you-analyze-amy-e-herman Can art save lives? Not exactly, but our most prized professionals (doctors, nurses, police officers) can learn real world skills through art analysis. Studying art like
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From The Top Of The Food Chain Down: Rewilding Our World - George Monbiot

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

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

676 views / 1 likes - added 6 years ago

View full lesson: http://ed.ted.com/lessons/who-built-great-zimbabwe-and-why-breeanna-elliott Stretched across a tree-peppered expanse in Southern Africa lies the ruins of Great Zimbabwe, a medieval stone city of astounding wealth. Located in the present-
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Nuclear reactor startup (with sound)

752 views / 0 likes - added 2 years ago

A nuclear reactor, formerly known as an atomic pile, is a device used to initiate and control a fission nuclear chain reaction or nuclear fusion reactions. Nuclear reactors are used at nuclear power plants for electricity generation and in nuclear marine
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The Last Banana: A Thought Experiment In Probability - Leonardo Barichello

2,083 views / 1 likes - added 9 years ago

View full lesson: http://ed.ted.com/lessons/the-last-banana-a-thought-experiment-in-probability-leonardo-barichello Imagine a game played with two players and two dice: if the biggest number rolled is one, two, three, or four, player 1 wins. If the bigges
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SPOTLIGHT: Draw Your Favorite School Lunch (8.30.19)

533 views / 1 likes - added 4 years ago

Everyone did a great job on this week's challenge! We loved seeing all of your favorite lunches. We also hope you had fun drawing all of the new lessons we posted this week. In case you missed any of them, here are the links to each new art lesson:How To
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Mysteries Of Vernacular: X-ray - Jessica Oreck And Rachael Teel

740 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/mysteries-of-vernacular-x-ray-jessica-oreck-and-rachael-teel The story of the word X-Ray is one of great thinkers. French philosopher Rene Descartes isolated the letters X, Y and Z to stand for unknowns, and cen
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Population Pyramids: Powerful Predictors Of The Future - Kim Preshoff

940 views / 1 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/population-pyramids-powerful-predictors-of-the-future-kim-preshoff Population statistics are like crystal balls -- when examined closely, they can help predict a country's future (and give important clues about
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The Sun’s Surprising Movement Across The Sky - Gordon Williamson

809 views / 0 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/the-sun-s-surprising-movement-across-the-sky-gordon-williamson Suppose you placed a camera at a fixed position, took a picture of the sky at the same time every day for an entire year, and overlaid all of the ph
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Is Time Travel Possible? - Colin Stuart

751 views / 2 likes - added 8 years ago

View full lesson: http://ed.ted.com/lessons/time-travel-and-einstein-s-special-relativity-colin-stuart Time travel is a staple of science fiction stories, but is it actually possible? It turns out nature does allow a way of bending time, an exciting possi
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How Does Cancer Spread Through The Body? - Ivan Seah Yu Jun

1,377 views / 2 likes - added 9 years ago

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

1,323 views / 2 likes - added 7 years ago

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

657 views / 0 likes - added 7 years ago

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

781 views / 0 likes - added 8 years ago

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

928 views / 2 likes - added 9 years ago

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

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

View full lesson: http://ed.ted.com/lessons/the-mystery-of-motion-sickness-rose-eveleth Although one third of the population suffers from motion sickness, scientists aren't exactly sure what causes it. Like the common cold, it's a seemingly simple problem
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The Hidden Meanings Of Yin And Yang - John Bellaimey

1,045 views / 3 likes - added 8 years ago

View full lesson here: http://ed.ted.com/lessons/the-hidden-meanings-of-yin-and-yang-john-bellaimey The ubiquitous yin-yang symbol holds its roots in Taoism/Daoism, a Chinese religion and philosophy. The yin, the dark swirl, is associated with shadows, fe
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The mathematics of sidewalk illusions - Fumiko Futamura

808 views / 0 likes - added 7 years ago

View full lesson here: http://ed.ted.com/lessons/the-mathematics-of-sidewalk-illusions-fumiko-futamura Have you ever come across an oddly stretched image on the sidewalk, only to find that it looks remarkably realistic if you stand in exactly the right sp

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