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  • 04:58 New How long should your naps be? - Sara C. Mednick

    How long should your naps be? - Sara C. Mednick

    67 views / 1 likes - added

    Download a free audiobookversionof "Take a Nap: Change Your Life" by Sara Mednick or Matthew Walker's "Why We Sleep" and support TED-Ed's nonprofit mission:https://www.audible.com/ted-ed--Your eyes get heavy and gradually close But wait! Its only lunch ti

  • 05:02 New Meet the bluefin tuna, the toughest fish in the sea - Grantly Galland and Raiana McKinney

    Meet the bluefin tuna, the toughest fish in the sea - Grantly Galland and Raiana McKinney

    71 views / 1 likes - added

    Discover the unique adaptations that make the Atlantic bluefin tuna one of the most dominant predators in the ocean.--Whats as big as a polar bear, swallows its prey whole, and swims at forty miles an hour? Its not a shark or a killer whale... its the Atl

  • 05:23 New Who decides whats in the dictionary? - Ilan Stavans

    Who decides whats in the dictionary? - Ilan Stavans

    59 views / 0 likes - added

    Explore the history of the Merriam-Webster Dictionary and find out how old words get redefined and how new words are added. --While the concept of a dictionary dates back to ancient civilizations, the first English dictionary wasnt published until 1604. I

  • 05:16 New How one design flaw almost toppled a skyscraper - Alex Gendler

    How one design flaw almost toppled a skyscraper - Alex Gendler

    58 views / 1 likes - added

    Dig into the unique engineering of New York Citys Citicorp Center tower, and the design flaw that threatened to topple it.--In 1978, Diane Hartley was writing her undergraduate architecture thesis when she made a shocking discovery. After weeks of poring

  • 05:23 New Whats in the air you breathe? - Amy Hrdina and Jesse Kroll

    Whats in the air you breathe? - Amy Hrdina and Jesse Kroll

    606 views / 3 likes - added

    Together, nitrogen, oxygen and argon make up 99.93% of our air. So whats the other .07%? Find out what makes up the air you breathe.--Take a deep breath. In a single intake of air, your lungs swell with roughly 25 sextillion molecules, ranging from days-o

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  • 05:14 New What really happened during the Attica Prison Rebellion - Orisanmi Burton

    What really happened during the Attica Prison Rebellion - Orisanmi Burton

    71 views / 1 likes - added

    Dig into the Attica Prison Rebellion, where prisoners took control of the facility in response to inhumane living conditions, and the violent retaking that followed.--On September 9th 1971, a spontaneous uprising began in a New York State prison. A group

  • 05:42 Can you solve Dongle's Difficult Dilemma? - Dennis E. Shasha

    Can you solve Dongle's Difficult Dilemma? - Dennis E. Shasha

    57 views / 1 likes - added

    Practice more problem-solving at https://brilliant.org/TedEd--According to legend, three galactic terraformers shaped your planet into a paradise. When their work was done, they left the source of their power behind: three golden hexagons, hidden in dunge

  • 05:36 Demolition, disease, and death: Building the Panama Canal - Alex Gendler

    Demolition, disease, and death: Building the Panama Canal - Alex Gendler

    48 views / 0 likes - added

    Discover what it took to build the Panama Canal, and how this colossal construction project changed the region. --In the 19th century, the California gold rush brought thousands of settlers to America's west coast. But finding gold may have been easier th

  • 04:59 Why are airplanes slower than they used to be? - Alex Gendler

    Why are airplanes slower than they used to be? - Alex Gendler

    48 views / 1 likes - added

    Why arent commercial flights getting faster? Dig into the technological and environmental problems facing supersonic flight. --In 1996, a British Airways plane flew from New York to London in a record-breaking two hours and fifty-three minutes. Today, how

  • 05:12 The worlds most painful insect sting - Justin Schmidt

    The worlds most painful insect sting - Justin Schmidt

    43 views / 1 likes - added

    Find out whether a honeybee, a tarantula hawk wasp, or a bullet ant has the most painful insect sting, and what each of their stings feel like. --One of these three creatures is thought to possess the worlds most painful insect sting: theres an ant that f

  • 06:08 How the worlds tallest skyscraper was built - Alex Gendler

    How the worlds tallest skyscraper was built - Alex Gendler

    51 views / 1 likes - added

    Discover the engineering innovations that made building Burj Khalifa, the worlds tallest skyscraper, possible.--In 2004, construction began on a new building in Dubai, promising a revolutionary design that would dwarf the rest of the worlds skyscrapers. F

  • 05:03 How do wind turbines work? - Rebecca J. Barthelmie and Sara C. Pryor

    How do wind turbines work? - Rebecca J. Barthelmie and Sara C. Pryor

    61 views / 0 likes - added

    Explore how wind turbines convert wind into electricity, and the challenges of powering the world entirely with wind energy.--Every 24 hours, wind generates enough kinetic energy to produce roughly 35 times more electricity than humanity uses each day. An

  • 05:20 This tool will help improve your critical thinking - Erick Wilberding

    This tool will help improve your critical thinking - Erick Wilberding

    13 views / 0 likes - added

    Explore the technique known as the Socratic Method, which uses questions to examine a persons values, principles, and beliefs. --Socrates, one of the founding fathers of Western philosophical thought, was on trial. Many believed he was an enemy of the sta

  • 05:40 Whatever happened to acid rain? - Joseph Goffman

    Whatever happened to acid rain? - Joseph Goffman

    16 views / 1 likes - added

    Discover what causes acid rain, and how scientists were able to largely eliminate this major environmental threat. --In 1963, scientists studying Hubbard Brook Experimental Forest made a shocking discovery. Their most recent rainfall samples were nearly 1

  • 05:48 Can you outsmart the apples and oranges fallacy? - Elizabeth Cox

    Can you outsmart the apples and oranges fallacy? - Elizabeth Cox

    36 views / 0 likes - added

    Dig into the false analogy fallacy, which assumes that because two things share a characteristic, they must be alike in other respects.--Its 1997. The United States Senate has called a hearing about global warming. Some expert witnesses point out that pas

  • 05:10 Why good ideas get trapped in the valley of death and how to rescue them

    Why good ideas get trapped in the valley of death and how to rescue them

    44 views / 0 likes - added

    Explore why zero-carbon technologies are vulnerable to the valley of death in product development and how we can change it.--All new products must pass through the "valley of death" before they reach the market. Many never make it out, and sometimes thats

  • 05:05 The surprising secrets of hummingbird flight - Kristiina J. Hurme and Alejandro Rico-Guevara

    The surprising secrets of hummingbird flight - Kristiina J. Hurme and Alejandro Rico-Guevara

    44 views / 1 likes - added

    Dig into the incredible fighting, feeding, and flying capabilities of hummingbirds.--In just a matter of seconds, hummingbirds can perform astonishing aerial acrobatics, eat lunch in midair, pollinate a flower, even escape threats while upside-down. And t

  • 05:42 Ugly History: The Spanish Inquisition - Kayla Wolf

    Ugly History: The Spanish Inquisition - Kayla Wolf

    23 views / 0 likes - added

    Dig into the era of the Spanish Inquisition, when the Catholic Church was charged with rooting out and punishing heresy.--In 1478, Pope Sixtus IV issued a decree authorizing the Catholic monarchs, Ferdinand and Isabella, to root out heresy in the Spanish

  • 04:58 Why every world map is wrong - Kayla Wolf

    Why every world map is wrong - Kayla Wolf

    29 views / 0 likes - added

    Dig into the inaccuracies of flat maps and how different map designs can shift our point of view.--Fourteen Greenlands could fit in Africa but you wouldnt guess it from most maps of the world. The fact is, every world map humans have ever made is wrong. A

  • 05:16 How to see with sound - Jacques S. Abramowicz

    How to see with sound - Jacques S. Abramowicz

    22 views / 0 likes - added

    Discover how scientists and doctors used bats' ultrasound capabilities as inspiration for SONAR and non-invasive medical procedures.--In a dark cave, bats cant see much. But even with their eyes shut, they can navigate rocky topography at incredible speed

  • 05:43 Can you solve the fantasy election riddle? - Dennis E. Shasha

    Can you solve the fantasy election riddle? - Dennis E. Shasha

    57 views / 0 likes - added

    Practice more problem-solving at https://brilliant.org/TedEd--After much debate, the realm has decided dragon jousting may not be the best way to choose its leaders, and has begun transitioning to democracy. Your company was hired to survey the citizens o

  • 04:48 How much land does it take to power the world?

    How much land does it take to power the world?

    45 views / 0 likes - added

    Explore the sustainability of fossil fuels, nuclear power, and renewable energy and how much space each of these power sources use.--No matter how we make electricity, it takes up space. Coal requires mines, and plants to convert it into electricity. Nucl

  • 04:51 How do antidepressants work? - Neil R. Jeyasingam

    How do antidepressants work? - Neil R. Jeyasingam

    38 views / 0 likes - added

    Dig into the discovery of antidepressant drugs, how they work, and what we still dont know about depression.--In the 1950s, the discovery of two new drugs sparked what would become a multi-billion dollar market for antidepressants. Neither drug was intend

  • 04:41 Whats the best fuel for your car?

    Whats the best fuel for your car?

    42 views / 0 likes - added

    Dig into which fuel gasoline, electric, biofuels, or electrofuels is both affordable for consumers and sustainable for the planet.--Historically, most cars have run on gasoline, but that doesnt have to be the case in the future: other liquid fuels and ele

  • 05:10 Popular The incredible, bendable, twistable, expandable elephant trunk - Chase LaDue & Bruce A. Schulte

    The incredible, bendable, twistable, expandable elephant trunk - Chase LaDue & Bruce A. Schulte

    804 views / 4 likes - added

    Discover the incredible ways elephants use their trunks to sense and communicate information and emotion. --As a breeze blows through the savannah, a snake-shaped tube stretches into the air and scans the horizon like a periscope. But its not seeing its s

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  • 04:57 Popular How does artificial intelligence learn? - Briana Brownell

    How does artificial intelligence learn? - Briana Brownell

    943 views / 3 likes - added

    Explore the three major methods of machine learning, which allows computers to write their own rules to problem solve and process data.--Today, artificial intelligence helps doctors diagnose patients, pilots fly commercial aircraft, and city planners pred

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  • 01:30 How would you finish the sentence, Imagine if? - Sir Ken Robinson

    How would you finish the sentence, Imagine if? - Sir Ken Robinson

    33 views / 0 likes - added

    Share how you would reimagine the world by finishing the sentence Imagine if Visit http://bit.ly/TEDEdImagineIf for inspiration and to learn more.--Sir Ken Robinson believed that humans have an inexhaustible power: our imaginations. We don't just live in

  • 06:10 Who were Las Mariposas, and why were they murdered? - Lisa Krause

    Who were Las Mariposas, and why were they murdered? - Lisa Krause

    33 views / 1 likes - added

    Get to know the story of the Mirabal sisters, who led a revolution against Rafael Trujillos dictatorship in the Dominican Republic. --For over 30 years, thousands of people were imprisoned, tortured, and murdered under Rafael Trujillos dictatorship in the

  • 05:02 How much electricity does it take to power the world?

    How much electricity does it take to power the world?

    45 views / 0 likes - added

    Discover how much electricity humanity uses, and how clean energy sources could help revolutionize our energy supply in the future. --All around the world, millions of people are flipping a switch, plugging in, and pressing an on button every second. So h

  • 05:39 A brief history of divorce - Rod Phillips

    A brief history of divorce - Rod Phillips

    42 views / 0 likes - added

    Dig into the complicated history of divorce from the earliest known divorce laws in ancient Mesopotamia to modern day. --Formally or informally, human societies across place and time have made rules to bind and dissolve couples. The stakes of who can obta

  • 04:43 The worlds most dangerous fart - Nick Caruso and Dani Rabaiotti

    The worlds most dangerous fart - Nick Caruso and Dani Rabaiotti

    46 views / 1 likes - added

    Dive into the bowels of the animal kingdom to explore why animals fart, and find out which creature has the foulest flatulence. --For most humans, farts are a welcome relief, an embarrassing incident, or an opportunity for a gas-based gag. But for many ot

  • 05:17 What if every satellite suddenly disappeared? - Moriba Jah

    What if every satellite suddenly disappeared? - Moriba Jah

    42 views / 1 likes - added

    Explore what would happen if all of humanitys satellites disappeared and the real-life scenarios that could lead to such a catastrophe. --What would happen if one day all of humanitys artificial satellites suddenly disappeared? Within hours, most of the p

  • 05:00 Why didnt this 2,000 year old body decompose? - Carolyn Marshall

    Why didnt this 2,000 year old body decompose? - Carolyn Marshall

    49 views / 1 likes - added

    Discover the surprising biodiversity of soil, and how its microbes help support all life on Earth.--It may not appear very lively six feet underground, but a single teaspoon of soil contains more organisms than there are human beings on the planet. From b

  • 05:09 The artist who won a Nobel Prize... in medicine - Melanie E. Peffer

    The artist who won a Nobel Prize... in medicine - Melanie E. Peffer

    51 views / 2 likes - added

    Explore how a scientist and artist discovered how our brains transmit signals throughout the body, and laid the foundation for modern neuroscience.--In the 1860s, scientists believed they were on the verge of uncovering the brains biggest secret: how the

  • 05:05 What causes dandruff, and how do you get rid of it? - Thomas L. Dawson

    What causes dandruff, and how do you get rid of it? - Thomas L. Dawson

    35 views / 0 likes - added

    Explore the head-scratching problem of dandruff, and find out why it happens, and how it can be treated.--On top of our heads, there is a type of yeast that lives and dines on all of our scalps. Feasting constantly, its in paradise. And in about half of t

  • 05:23 Can origami save your life? - Evan Zodl

    Can origami save your life? - Evan Zodl

    45 views / 0 likes - added

    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

  • 04:41 The myth of the boiling frog

    The myth of the boiling frog

    41 views / 0 likes - added

    Explore how greenhouse gas emissions impact global warming and why its necessary to get emissions down to net zero. --Since 1850, global average temperatures have risen by 1 degree Celsius. That may not sound like a lot, but it is. Why? 1 degree is an ave

  • 05:34 Why do we, like, hesitate when we, um, speak? - Lorenzo Garca-Amaya

    Why do we, like, hesitate when we, um, speak? - Lorenzo Garca-Amaya

    52 views / 0 likes - added

    Why do we fill pauses in speech with words like um, uh, and like? Dig into the hesitation phenomenon to find out their linguistic significance.--For as long as weve had language, some people have tried to control it. And some of the most frequent targets

  • 05:16 The world's biggest battery looks nothing like a battery

    The world's biggest battery looks nothing like a battery

    55 views / 0 likes - added

    Discover the worlds biggest battery and explore how inventors are creating other giant batteries to help power the world sustainably. --As of 2020, the worlds biggest lithium-ion battery is hooked up to the Southern California power grid and can provide e

  • 05:06 Can you solve the demon dance party riddle? - Edwin Meyer

    Can you solve the demon dance party riddle? - Edwin Meyer

    96 views / 1 likes - added

    The only way into the worlds most exclusive club is to solve a challenge from the Demon of Reason. Can you get into the party?--Once a year, thousands of logicians descend into the desert for Learning Man. At the center of that gathering is the worlds mos

  • 04:43 Debunking the myth of the Lost Cause: A lie embedded in American history - Karen L. Cox

    Debunking the myth of the Lost Cause: A lie embedded in American history - Karen L. Cox

    59 views / 1 likes - added

    Examine the myth of the Lost Cause: a campaign created by pro-Confederates after the Civil War to promote the lie that they seceded for state's rights.--In the 1860s, 11 southern states withdrew from the United States and formed the Confederacy. They sece

  • 05:27 The material that could change the world... for a third time

    The material that could change the world... for a third time

    37 views / 0 likes - added

    Explore the role concrete plays in global warming and how scientists are working to create a cleaner, more sustainable concrete.--Today roads, sidewalks, bridges, and skyscrapers are made of a material called concrete. Theres three tons of it for every pe

  • 05:10 Can loud music damage your hearing? - Heather Malyuk

    Can loud music damage your hearing? - Heather Malyuk

    56 views / 0 likes - added

    Dig into the properties of sound to find out just how bad loud music is for your hearing.--After a concert, you find it difficult to hear your friend rave about the show. It sounds like they're speaking from across the room, and its tough to make out thei

  • 05:47 Who decides how long a second is? - John Kitching

    Who decides how long a second is? - John Kitching

    291 views / 1 likes - added

    Discover how scientists developed atomic clocks, which use the vibrations of atoms to measure and maintain a globally consistent time.--In 1967, researchers gathered to answer a long-running scientific question: just how long is a second? It might seem ob

  • 05:15 The rise of the Ottoman Empire - Mostafa Minawi

    The rise of the Ottoman Empire - Mostafa Minawi

    159 views / 0 likes - added

    Explore the early days of the Ottoman Empire, as shrewd political rulers grew the principality into an intercontinental empire. --In the late 13th century, Osman I established a small principality sandwiched between a crumbling Byzantine Empire and a weak

  • 03:37 The Japanese myth of the trickster raccoon - Iseult Gillespie

    The Japanese myth of the trickster raccoon - Iseult Gillespie

    184 views / 0 likes - added

    Dive into the Japanese myth of the shape-shifting tanuki, as the raccoon-like creature rewards a traveling salesman for his kindness.--On the dusty roads of a small village, a traveling salesman was having difficulty selling his wares. As he wandered the

  • 05:50 Why bats don't get sick - Arinjay Banerjee

    Why bats don't get sick - Arinjay Banerjee

    173 views / 0 likes - added

    Explore the relationship between viruses and their hosts, and find out how the evolutionary adaptations of bats keep them safe from viruses. --Consider a bat that is infected with several deadly viruses, including ones that cause rabies, SARS, and Ebola.

  • 04:47 A day in the life of an ancient Babylonian business mogul - Soraya Field Fiorio

    A day in the life of an ancient Babylonian business mogul - Soraya Field Fiorio

    44 views / 0 likes - added

    Follow Beltani, a Babylonian priestess and businesswoman, as she investigates who is undermining her barley fields and tavern.--Its 1762 BCE. As dawn breaks in the Babylonian city of Sippar, Beltani a priestess and businesswoman receives an urgent visit f

  • 04:57 Popular These squids can fly... no, really - Robert Siddall

    These squids can fly... no, really - Robert Siddall

    935 views / 6 likes - added

    Dive into the incredible flying capabilities of squids, and how they use flight as a survival tactic.--In 1947, explorers noticed a strange phenomenon while crossing the Pacific Ocean. Somehow, small squid known to live deep beneath the waves kept appeari

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  • 05:41 Savitri and Satyavan: The legend of the princess who outwitted Death - Iseult Gillespie

    Savitri and Satyavan: The legend of the princess who outwitted Death - Iseult Gillespie

    107 views / 2 likes - added

    Dig into the tale of Princess Savitri and her one true love, Satyavan, and the tragic prophecy that entwined their fates forever.--Princess Savitri was benevolent, brilliant, and bright. Her grace was known throughout the land, and many princes and mercha

  • 05:05 The life cycle of a cup of coffee - A.J. Jacobs

    The life cycle of a cup of coffee - A.J. Jacobs

    114 views / 2 likes - added

    Trace the globe-spanning journey of coffee as it goes from plant to brew, and the complex infrastructure that makes it possible.--How many people does it take to make a cup of coffee? For many of us, all it takes is a short walk and a quick pour. But this

  • 05:07 Why should you read Toni Morrisons Beloved? - Yen Pham

    Why should you read Toni Morrisons Beloved? - Yen Pham

    56 views / 0 likes - added

    Dig into Toni Morrisons novel, "Beloved," which tells the story of a family of former slaves whose home is haunted by an abusive spirit.--Two tiny handprints stamped into a cake. A mirror that shatters without warning. A trail of cracker crumbs strewn alo

  • 05:38 The strange history of the world's most stolen painting - Noah Charney

    The strange history of the world's most stolen painting - Noah Charney

    210 views / 0 likes - added

    Discover Jan van Eycks masterpiece, the Ghent Altarpiece, and explore how it became the worlds most stolen artwork.--Throughout six centuries, the Ghent Altarpiece, also called The Adoration of the Mystic Lamb, has been burned, forged, and raided in three

  • 04:57 Popular How do personality tests work? - Merve Emre

    How do personality tests work? - Merve Emre

    865 views / 1 likes - added

    Examine how popular personality tests, like the Myers-Briggs Type Indicator and the Enneagram, are designed and their inconsistencies. --In 1942, a mother-daughter duo named Katherine Cook Briggs and Isabel Briggs Myers developed a questionnaire that clas

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  • 05:42 The spear-wielding stork who revolutionized science - Lucy Cooke

    The spear-wielding stork who revolutionized science - Lucy Cooke

    107 views / 1 likes - added

    Explore ridiculous ancient theories of bird migration and discover how scientists finally solved one of the field's oldest mysteries.--In 1822, Count von Bothmer shot down a stork in Germany. However, the bird had already been impaled by a yard-long woode

  • 04:59 A quantum thought experiment - Matteo Fadel

    A quantum thought experiment - Matteo Fadel

    47 views / 0 likes - added

    Can you win a game of quantum foosball using a giant electron instead of a ball? Explore how to use quantum mechanics to your advantage. --After a long day working on the particle accelerator, you and your friends head to the arcade to unwind. The lights

  • 06:28 The worlds largest organism - Alex Rosenthal

    The worlds largest organism - Alex Rosenthal

    103 views / 0 likes - added

    Discover the worlds largest organism: Pando, an enormous and ancient quaking aspen, and find out how it became so huge.--The largest animal in the world is the blue whale, which weighs a massive 150 metric tons. Even so, its not remotely close to being th

  • 05:36 Can you solve the monster duel riddle? - Alex Gendler

    Can you solve the monster duel riddle? - Alex Gendler

    191 views / 1 likes - added

    Practice more problem-solving at https://brilliant.org/TedEd/ --Youve come a long way to compete in the great Diskymon league and prove yourself a Diskymon master. Now that youve made it to the finals, youre up against some tough competition. In round one

  • 05:38 Building the world's largest (and most controversial) power plant - Alex Gendler

    Building the world's largest (and most controversial) power plant - Alex Gendler

    108 views / 0 likes - added

    Explore the creation of Chinas Three Gorges Dam, and find out how the hydroelectric plant generates its power.--In 2018, a single power plant produced more energy than the worlds largest coal-powered and gas-powered plants combined. Chinas Three Gorges Da

  • 05:56 The most colorful gemstones on Earth - Jeff Dekofsky

    The most colorful gemstones on Earth - Jeff Dekofsky

    104 views / 0 likes - added

    What gives opals their signature shimmering colors? Dig into the science of the gemstones formation, millions of years in the making. --In November 1986, Australian miners climbed Lunatic Hill and bored 20 meters into the Earth. They were rewarded with a

  • 04:28 Why is pneumonia so dangerous? - Eve Gaus and Vanessa Ruiz

    Why is pneumonia so dangerous? - Eve Gaus and Vanessa Ruiz

    79 views / 0 likes - added

    Explore how pneumonia attacks the tiny air sacs in your lungs and how your immune system works to fight off the infection.--Every time you breathe, air travels down the trachea, through a series of channels, and then reaches little clusters of air sacs in

  • 05:29 The myth of Loki and the deadly mistletoe - Iseult Gillespie

    The myth of Loki and the deadly mistletoe - Iseult Gillespie

    130 views / 0 likes - added

    Discover the Norse myth of Baldur, the most beloved being in Asgard, and how the trickster god Loki plotted his death. --Baldur was the gentlest and most beloved being in all of Asgard. But lately, he had been plagued by gruesome visions foretelling his o

  • 04:53 Which bag should you use? - Luka Seamus Wright and Imogen Ellen Napper

    Which bag should you use? - Luka Seamus Wright and Imogen Ellen Napper

    501 views / 4 likes - added

    Explore the environmental impact of three types of bags plastic, paper, and cloth to find out how theyre made, used and disposed of. --Youve filled up your cart and made it to the front of the grocery line when youre confronted with yet another choice: wh

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  • 05:38 Popular Why do you get a fever when you're sick? - Christian Moro

    Why do you get a fever when you're sick? - Christian Moro

    704 views / 4 likes - added

    Discover what happens in your body when you have a fever and why its role in our immune response remains a mystery to scientists. --There are many mysteries around fever, but we do know that all mammals, some birds and even a few invertebrate and plant sp

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  • 05:16 Popular How fast is the speed of thought? - Seena Mathew

    How fast is the speed of thought? - Seena Mathew

    874 views / 1 likes - added

    Travel into the brain to see how its network of neurons transmit your thoughts and what factors determine how quickly you think.--Your mortal enemy has captured you and hooked you up to a bizarre experiment. Hes extended your nervous system with one very

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  • 05:05 Can you solve the Alice in Wonderland riddle? - Alex Gendler

    Can you solve the Alice in Wonderland riddle? - Alex Gendler

    102 views / 0 likes - added

    Practice more problem-solving at https://brilliant.org/TedEd/ --After many adventures in Wonderland, Alice has once again found herself in the court of the temperamental Queen of Hearts. Shes about to pass through the garden undetected, when she overhears

  • 04:24 Can you outsmart the fallacy that started a witch hunt? - Elizabeth Cox

    Can you outsmart the fallacy that started a witch hunt? - Elizabeth Cox

    88 views / 1 likes - added

    Dig into the burden of proof fallacy, which assumes that something is true unless proven false and relies on arguments from ignorance.--Its 1950. Anti-communist sentiment in the United States is at an all-time high. Senator Joseph McCarthy claims he has a

  • 05:01 Can you outsmart a troll (by thinking like one)? - Claire Wardle

    Can you outsmart a troll (by thinking like one)? - Claire Wardle

    65 views / 0 likes - added

    Explore the strategies employed by trolls and learn how disinformation campaigns are launched and how to stop them.--Your town is holding a mayoral election and the stakes have never been higher. You suspect one of the candidates will begin pushing false

  • 05:44 What if there were 1 trillion more trees? - Jean-Franois Bastin

    What if there were 1 trillion more trees? - Jean-Franois Bastin

    119 views / 0 likes - added

    How can trees help in the fight against climate change? Dig into the efforts to rebuild damaged ecosystems and reduce carbon emissions.--Today humanity produces more than 1,400 tons of carbon every minute. To combat climate change, we need to reduce fossi

  • 06:03 The dark history of bananas - John Soluri

    The dark history of bananas - John Soluri

    147 views / 0 likes - added

    Explore the history of the notorious United Fruit Company and how its influence over the banana industry impacted Central America. --In December 1910, the exiled former leader Manuel Bonilla boarded a borrowed yacht and set sail for Honduras in hopes of r

  • 04:47 Do larger animals take longer to pee? - David L. Hu

    Do larger animals take longer to pee? - David L. Hu

    128 views / 0 likes - added

    Dive into the physics of the Other Golden Rule and explore the systems and methods animals use to excrete waste. --A cats bladder can only store a golf balls worth of urine. For humans, its a coffee mug and for elephants, a kitchen trash can. An elephants

  • 05:49 How do steroids affect your muscles and the rest of your body? - Anees Bahji

    How do steroids affect your muscles and the rest of your body? - Anees Bahji

    139 views / 0 likes - added

    Dig into the science of how anabolic steroids and their recreational use can affect your body, organs and brain. --Steroids. Theyve caused global scandals. Theyre banned in most athletic competitions. Yet the same properties that help elite athletes and b

  • 05:02 How do investors choose stocks? - Richard Coffin

    How do investors choose stocks? - Richard Coffin

    139 views / 0 likes - added

    Explore the strategies investors use to choose stocks and learn whether its better to be an active or passive investor. --Every day, billions of stocks are traded on the New York Stock Exchange alone. But with over 43,000 companies listed on stock exchang

  • 05:26 Popular Which type of milk is best for you? - Jonathan J. OSullivan & Grace E. Cunningham

    Which type of milk is best for you? - Jonathan J. OSullivan & Grace E. Cunningham

    1,065 views / 4 likes - added

    Dive into the most popular milks dairy, almond, soy and oat to find out which is healthiest for you and for the planet.--If you go to the store in search of milk, there are a dizzying number of products to choose from. Theres dairy milk, but also plant-ba

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  • 05:35 The hidden treasures of Timbuktu - Elizabeth Cox

    The hidden treasures of Timbuktu - Elizabeth Cox

    85 views / 0 likes - added

    Dig into the ancient manuscripts, scrolls, and books of Timbuktu and find out why theyve been hidden for centuries. --On the edge of the vast Sahara desert, citizens snuck out of the city of Timbuktu and took to the wilderness. They buried chests in the d

  • 05:38 The rise and fall of historys first empire - Soraya Field Fiorio

    The rise and fall of historys first empire - Soraya Field Fiorio

    76 views / 0 likes - added

    Discover historys first empire: Sumer, located in Mesopotamia, which built the worlds first cities and created the first writing system.--Historys first empire rose out of a hot, dry landscape, without rainfall to nourish crops, without trees or stones fo

  • 05:42 Could we harness the power of a black hole? - Fabio Pacucci

    Could we harness the power of a black hole? - Fabio Pacucci

    96 views / 1 likes - added

    Download a free audiobook version of "Children of Time" and support TED-Ed's nonprofit mission: https://www.audible.com/ted-edCheck out our full book recommendation: https://shop.ed.ted.com/collections/ted-ed-book-recommendations/products/children-of-time

  • 05:23 What causes panic attacks, and how can you prevent them? - Cindy J. Aaronson

    What causes panic attacks, and how can you prevent them? - Cindy J. Aaronson

    81 views / 0 likes - added

    Dig into the science of what triggers panic attacks, how to recognize them, and the available treatments for panic disorder.--Countless poets and writers have tried to put words to the experience of a panic attack a sensation so overwhelming, many people

  • 07:10 Can we create the "perfect" farm? - Brent Loken

    Can we create the "perfect" farm? - Brent Loken

    93 views / 1 likes - added

    Explore the innovative ways countries are revolutionizing farming to ensure we can feed humanity in a way that works with the environment.--About 10,000 years ago, humans began to farm. This agricultural revolution was a turning point in our history and e

  • 05:00 Can you solve the riddle and escape Hades? - Dan Finkel

    Can you solve the riddle and escape Hades? - Dan Finkel

    131 views / 0 likes - added

    Practice more problem-solving at https://brilliant.org/TedEd/--The underworld is overcrowded, and Zeus has ordered Hades to let some spirits out. Hades arranges all the souls of the dead in a line before Cerberus. When one of his three heads bites down on

  • 05:30 The Amazonian myth of the goblins' revenge - Nathan D. Horowitz

    The Amazonian myth of the goblins' revenge - Nathan D. Horowitz

    191 views / 0 likes - added

    Discover the Siekopai myth of the air goblins, spirits who fly and control the winds, as they clash with the human world. --Deep in the Amazon rainforest in the river Neaocoy lived a school of particularly big and tasty fish. When the rains came and the w

  • 05:13 Why we need national parks - Elyse Cox

    Why we need national parks - Elyse Cox

    89 views / 0 likes - added

    Explore the creation of national parks and the importance of finding a balance between public use and ecological preservation.--In 1903, US President Theodore Roosevelt took a camping trip in Californias Yosemite Valley with conservationist John Muir. Roo

  • 12:10 The World Machine | Think Like A Coder, Ep 10

    The World Machine | Think Like A Coder, Ep 10

    88 views / 0 likes - added

    The adventure ends! Episode 10: Can Ethic make it to the World Machine and stop Hedge from covering the world in a giant maze? --This is episode 10 of our animated series Think Like A Coder. This 10-episode narrative follows a girl, Ethic, and her robot c

  • 05:18 Performing brain surgery without a scalpel - Hyunsoo Joshua No

    Performing brain surgery without a scalpel - Hyunsoo Joshua No

    77 views / 0 likes - added

    Dig into the science of radiosurgery: a procedure that uses light beams of radiation to target tumors, without making a single incision.--Every year, tens of thousands of people have brain surgery without a single incision: theres no scalpel, no operating

  • 06:30 The problem with the U.S. bail system - Camilo Ramirez

    The problem with the U.S. bail system - Camilo Ramirez

    72 views / 0 likes - added

    Explore the U.S. bail systems reliance on cash bail and how it disproportionately hurts people in low-income communities and communities of color.--Since 2000, the annual number of people convicted of crimes in the United States has stayed steady, but the

  • 06:13 Is life meaningless? And other absurd questions -  Nina Medvinskaya

    Is life meaningless? And other absurd questions - Nina Medvinskaya

    144 views / 0 likes - added

    Dive into Albert Camus philosophy of the absurd, and explore the question: if the world is meaningless, could our lives still hold value? --Albert Camus grew up surrounded by violence. His homeland of Algeria was mired in conflict. He lost his father in W

  • 05:48 Is human evolution speeding up or slowing down? - Laurence Hurst

    Is human evolution speeding up or slowing down? - Laurence Hurst

    140 views / 0 likes - added

    Download a free audiobook version of "Sapiens" and support TED-Ed's nonprofit mission: https://www.audible.com/ted-ed Check out our full book recommendation: https://shop.ed.ted.com/collections/ted-ed-book-recommendations/products/sapiens--In the past 3,0

  • 05:00 The Japanese folktale of the selfish scholar - Iseult Gillespie

    The Japanese folktale of the selfish scholar - Iseult Gillespie

    436 views / 0 likes - added

    Dive into the Japanese folktale of a scholars quest to purify his body and mind, and the spiritual secret he discovers along the way.--In ancient Kyoto, a Shinto scholar found himself distracted from his prayers and sought to perform a purification ritual

  • 05:34 A day in the life of an ancient Greek architect - Mark Robinson

    A day in the life of an ancient Greek architect - Mark Robinson

    92 views / 0 likes - added

    Follow Pheidias, the chief builder for the Parthenon, as he supervises the construction of the new temple and faces charges of embezzlement.--The year is 432 BCE. As dawn breaks over Athens, Pheidias is already late for work. He is the chief builder for t

  • 02:11 "Jabberwocky": One of literature's best bits of nonsense

    "Jabberwocky": One of literature's best bits of nonsense

    109 views / 2 likes - added

    Dive into Lewis Carrolls epic nonsense poem, Jabberwocky from his novel "Through the Looking-Glass, and What Alice Found There."--As Alice wanders through the dreamscape of Looking-Glass Land in Lewis Carroll's "Through the Looking-Glass, and What Alice F

  • 04:43 Evolutions great mystery - Michael Corballis

    Evolutions great mystery - Michael Corballis

    112 views / 0 likes - added

    Learn how to identify, develop, and share your best ideas with TED Masterclass: http://bit.ly/tedmasterclass --What we call language is something more specific than communication. Language is about sharing whats in our minds: stories, opinions, questions,

  • 05:22 Is the weather actually becoming more extreme? - R. Saravanan

    Is the weather actually becoming more extreme? - R. Saravanan

    120 views / 0 likes - added

    Explore the differences between weather and climate what they are, how we predict them, and what those predictions can tell us. --From 2016 to 2019, the world saw record-breaking heat waves, rampant wildfires, and the longest run of category 5 tropical cy

  • 05:45 How to outsmart the Prisoners Dilemma - Lucas Husted

    How to outsmart the Prisoners Dilemma - Lucas Husted

    135 views / 0 likes - added

    Puzzle through the classic game theory challenge, The Prisoners Dilemma, and decide: would you choose to spare or sacrifice? --Two perfectly rational gingerbread men, Crispy and Chewy, are out strolling when theyre caught by a fox. Instead of simply eatin

  • 05:47 Popular The fish that walk on land - Noah R. Bressman

    The fish that walk on land - Noah R. Bressman

    932 views / 3 likes - added

    Explore the challenges facing amphibious fish when they leave water and the ingenious ways they survive on land. --We think of fish as completely aquatic animals. But there are actually hundreds of fish species that are amphibious, meaning that they posse

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  • 05:16 Why people fall for misinformation - Joseph Isaac

    Why people fall for misinformation - Joseph Isaac

    107 views / 0 likes - added

    How does a fact become a misconception? Dig into the world of misinformation to see how facts can become distorted and misleading.--In 1901, David Hnig published research that led to what we know today as the taste map: an illustration that divides the to

  • 05:18 Are all of your memories real? - Daniel L. Schacter

    Are all of your memories real? - Daniel L. Schacter

    177 views / 0 likes - added

    Dig into the psychology of how memories are susceptible to false information and why we shouldnt treat them as truth.--In a 1990s study, participants recalled getting lost in a shopping mall as children. Some shared these memories in vivid detail, but the

  • 05:41 A brief history of plastic

    A brief history of plastic

    125 views / 0 likes - added

    Trace the history of the invention of plastic, and how the material ushered in what became known as the plastics century.--For centuries, billiard balls were made of ivory from elephant tusks. But when excessive hunting caused elephant populations to decl

  • 06:00 Can you solve the sorting hat riddle? - Dan Katz and Alex Rosenthal

    Can you solve the sorting hat riddle? - Dan Katz and Alex Rosenthal

    140 views / 1 likes - added

    Practice more problem-solving at https://brilliant.org/TedEd/ -- It’s your first day at Magnificent Marigold’s Magical Macademy. But before you can learn your first spell you must get through the sorting ceremony. And the sorting hat has chose

  • 05:31 Can you outsmart the fallacy that fooled a generation of doctors? - Elizabeth Cox

    Can you outsmart the fallacy that fooled a generation of doctors? - Elizabeth Cox

    119 views / 0 likes - added

    Dig into the false cause fallacy, which assumes that one event causes another, and learn how to distinguish between correlation and causation.--Its 1843, and a debate is raging about one of the most common killers of women: childbed fever no one knows wha

  • 05:49 Can you solve the cheating royal riddle? - Dan Katz

    Can you solve the cheating royal riddle? - Dan Katz

    205 views / 0 likes - added

    Practice more problem-solving at https://brilliant.org/TedEd/--Youre the chief advisor to an eccentric king who needs to declare his successor. He wants his heir to be good at arithmetic, lucky, and above all else, honest. So hes devised a competition to

  • 05:32 The last living members of an extinct species - Jan Stejskal

    The last living members of an extinct species - Jan Stejskal

    93 views / 0 likes - added

    Dig into how scientists are attempting to revive the functionally extinct northern white rhino through artificial reproduction.--In the savannahs of Kenya, two female northern white rhinos, Njin and Fatu, munch contentedly on grass. They are the last two

  • 05:39 Whats that ringing in your ears? - Marc Fagelson

    Whats that ringing in your ears? - Marc Fagelson

    454 views / 0 likes - added

    Travel into the auditory system to explore the constant ringing sensation of tinnitus, why it happens and how to treat it. --Tinnitus has been bothering humanity since Ancient Babylon, plaguing everyone from Leonardo da Vinci to Charles Darwin. Today, rou

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  • 06:21 Popular Can the ocean run out of oxygen? - Kate Slabosky

    Can the ocean run out of oxygen? - Kate Slabosky

    726 views / 2 likes - added

    Get to know how a healthy marine ecosystem functions, and what creates the lethal conditions that lead to dead zones. --For most of the year, the Gulf of Mexico is teeming with marine life, from tiny crustaceans to massive whales. But every summer, disast

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  • 06:22 The rise of modern populism - Takis S. Pappas

    The rise of modern populism - Takis S. Pappas

    87 views / 0 likes - added

    Dig into the political phenomenon of modern populism, how it rises, and the impact it can have on a democratic country. --In many democratic countries, charismatic leaders vilify political opponents, disparage institutions, and claim to be for the people.

  • 05:26 The tale of the boy who tricked the Devil - Iseult Gillespie

    The tale of the boy who tricked the Devil - Iseult Gillespie

    220 views / 2 likes - added

    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

  • 05:13 Banning alcohol was a bad idea... - Rod Phillips

    Banning alcohol was a bad idea... - Rod Phillips

    72 views / 0 likes - added

    Dig into the Prohibition era in the United States, when the government banned the manufacture, sale, and transport of alcohol. --On January 17, 1920, less than one hour after spirits had become illegal throughout the United States, armed men robbed a Chic

  • 05:12 The rise and fall of the Celtic warriors - Philip Freeman

    The rise and fall of the Celtic warriors - Philip Freeman

    98 views / 0 likes - added

    Trace the rise and fall of the ancient Celts, a group of hundreds of independent warrior tribes defeated by the Roman Empire. --One summer evening in 335 BCE, Alexander the Great was resting by the Danube River when a band of strangers approached his camp

  • 04:47 The myth of Jason, Medea, and the Golden Fleece - Iseult Gillespie

    The myth of Jason, Medea, and the Golden Fleece - Iseult Gillespie

    118 views / 0 likes - added

    Follow Jason as he attempts to steal the Golden Fleece from King Aeetes and enlists the help of the king's daughter, Medea. (Part Two of the myth of Jason and the Argonauts)--In Colchis, the hide of a mystical flying ram hangs from the tallest oak, guarde

  • 04:54 How do our brains process speech? - Gareth Gaskell

    How do our brains process speech? - Gareth Gaskell

    97 views / 0 likes - added

    Learn how to identify, develop, and share your best ideas with TED Masterclass: http://bit.ly/tedmasterclass -- The average 20-year-old knows between 27,000 and 52,000 different words. Spoken out loud, most of these words last less than a second. With eve

  • 05:46 Ethical dilemma: The burger murders - George Siedel and Christine Ladwig

    Ethical dilemma: The burger murders - George Siedel and Christine Ladwig

    239 views / 1 likes - added

    Whats the best way to handle a crisis in business? Dig into how different strategies can work when faced with an ethical dilemma.--You founded a company that manufactures meatless burgers that are sold in stores worldwide. But youve recently received awfu

  • 05:33 Can you solve the honeybee riddle? - Dan Finkel

    Can you solve the honeybee riddle? - Dan Finkel

    104 views / 0 likes - added

    Practice more problem-solving at https://brilliant.org/TedEd/ --Youre a biologist on a mission to keep the rare honeybee Apis Trifecta from going extinct. The last 60 bees of the species are in your terrarium. Youve already constructed wire frames of the

  • 05:31 Newtons three-body problem explained - Fabio Pacucci

    Newtons three-body problem explained - Fabio Pacucci

    89 views / 0 likes - added

    Download a free audiobook version of "The Three-Body Problem" and support TED-Ed's nonprofit mission: https://www.audible.com/ted-ed --In 2009, researchers ran a simple experiment. They took everything we know about our solar system and calculated where e

  • 05:05 The big-beaked, rock-munching fish that protect coral reefs - Mike Gil

    The big-beaked, rock-munching fish that protect coral reefs - Mike Gil

    587 views / 1 likes - added

    Discover the quirky creature known as the parrotfish, and the key role it plays in keeping coral reefs healthy and thriving. --As the sun rises over a quiet coral reef, one animal breaks the morning silence. Named for its vibrant scales and beak-like teet

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  • 04:48 The myth of Ireland's two greatest warriors - Iseult Gillespie

    The myth of Ireland's two greatest warriors - Iseult Gillespie

    169 views / 0 likes - added

    Dive into the Irish myth of Tin B Cuailnge, where Queen Meadhbh of Connaught seeks to capture the fabled brown bull of Ulster. --C Chulainn, hero of Ulster, stood at the ford at Cooley, ready to face an entire army single handedly all for the sake of a si

  • 10:01 The Factory | Think Like A Coder, Ep 9

    The Factory | Think Like A Coder, Ep 9

    86 views / 0 likes - added

    The adventure continues! Episode 9: Ethic, Hedge, and Lemma have made it to the last artifact: The Node of Memory. Can they retrieve it before the bots arrive?--This is episode 9 of our animated series Think Like A Coder. This 10-episode narrative follows

  • 06:25 The last chief of the Comanches and the fall of an empire - Dustin Tahmahkera

    The last chief of the Comanches and the fall of an empire - Dustin Tahmahkera

    85 views / 0 likes - added

    Get to know the story of Quanah Parker, a Native American warrior and leader, and the last chief of the Comanche tribe. --Late one night in 1871, a group of riders descended on a sleeping army camp, stole about 70 horses, and disappeared. Led by a young c

  • 05:20 First person vs. Second person vs. Third person - Rebekah Bergman

    First person vs. Second person vs. Third person - Rebekah Bergman

    96 views / 0 likes - added

    Discover how point of view can transform a story, and find out how to choose between first, second, and third person in your writing.--Who is telling a story, and from what perspective, are some of the most important choices an author makes. Told from a d

  • 05:52 How fast can a vaccine be made? - Dan Kwartler

    How fast can a vaccine be made? - Dan Kwartler

    95 views / 0 likes - added

    Dig into the three key phases of developing a new vaccine: exploratory research, clinical testing, and manufacturing. --When a new pathogen emerges, our bodies and healthcare systems are left vulnerable. And when this pathogen causes the outbreak of a pan

  • 05:13 The greatest mathematician that never lived - Pratik Aghor

    The greatest mathematician that never lived - Pratik Aghor

    110 views / 0 likes - added

    Dig into the mystery of Nicolas Bourbaki one of the most influential mathematicians of all time who never actually existed.--When Nicolas Bourbaki applied to the American Mathematical Society in the 1950s, he was already one of the most influential mathem

  • 05:19 What do all languages have in common? - Cameron Morin

    What do all languages have in common? - Cameron Morin

    107 views / 1 likes - added

    Dig into Noam Chomskys theory of universal grammar and decide: are there universal grammar rules and are they hardwired into our brains?--Language is endlessly variable. Each of us can come up with an infinite number of sentences in our native language, a

  • 06:02 What yoga does to your body and brain - Krishna Sudhir

    What yoga does to your body and brain - Krishna Sudhir

    118 views / 0 likes - added

    Explore the ancient tradition of yoga, and discover how its blend of physical and mental exercise impacts your health.--There are many different approaches to modern yoga though most forms have three core elements: physical postures, breathing exercises,

  • 05:32 Can steroids save your life? - Anees Bahji

    Can steroids save your life? - Anees Bahji

    102 views / 0 likes - added

    Explore the science of how corticosteroids sneak into our cells to help fight allergic reactions, rashes, asthma, and harmful immune responses.--Steroids: theyre infamous for their use in sports. But theyre also found in inhalers, creams to treat poison i

  • 05:15 Can you solve the Ragnarok riddle? - Dan Finkel

    Can you solve the Ragnarok riddle? - Dan Finkel

    347 views / 0 likes - added

    Practice more problem-solving at https://brilliant.org/TedEd/--Ragnarok: The fabled end of the world, when giants, monsters, and Norse gods battle for the future. The gods were winning until the great serpent Jrmungandr emerged. It swallowed Valhalla and

  • 05:31 A day in the life of a teenage samurai - Constantine N. Vaporis

    A day in the life of a teenage samurai - Constantine N. Vaporis

    108 views / 0 likes - added

    Follow Mori Banshir, a young samurai in training, as he studies the twin paths of literary learning and the martial arts. --The year is 1800 in the castle town of Kchi, Japan. Its just after sunrise, and 16-year-old Mori Banshir is already hard at work pr

  • 04:45 The race to decode a mysterious language - Susan Lupack

    The race to decode a mysterious language - Susan Lupack

    102 views / 0 likes - added

    Dig into the mysterious Linear B symbols, found on ancient tablets on the island of Crete, which took scholars nearly 50 years to decode.--In the early 1900s, archaeologist Sir Arthur Evans uncovered nearly 3,000 tablets inscribed with strange symbols. He

  • 04:15 The Egyptian myth of the death of Osiris - Alex Gendler

    The Egyptian myth of the death of Osiris - Alex Gendler

    115 views / 0 likes - added

    Dig into the Egyptian myth of Osiris, trapped by his brother, the warrior god Set, in a coffin and tossed into the Nile to die. --Long jealous of his older brother Osiris, the god who ruled all of Egypt, the warrior god Set plotted to overthrow him. Hosti

  • 05:34 Popular What makes volcanoes erupt? - Steven Anderson

    What makes volcanoes erupt? - Steven Anderson

    1,193 views / 5 likes - added

    Dig into the science of how new volcanoes form, and what causes their unpredictable eruptions. --In February of 1942, Mexican farmer Dionisio Pulido thought he heard thunder coming from his cornfield. However, the sound wasnt coming from the sky. The sour

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  • 05:00 How to see more and care less: The art of Georgia O'Keeffe - Iseult Gillespie

    How to see more and care less: The art of Georgia O'Keeffe - Iseult Gillespie

    89 views / 1 likes - added

    Get to know the life and works of painter and sculptor Georgia OKeeffe, whose art became a cornerstone of American Modernism. --Feeling disconnected from creating art within classical conventions, artist Georgia OKeeffe began experimenting with abstract d

  • 06:45 What can DNA tests really tell us about our ancestry? - Prosanta Chakrabarty

    What can DNA tests really tell us about our ancestry? - Prosanta Chakrabarty

    103 views / 0 likes - added

    Dig into the science of how ancestry DNA tests work, their accuracy, and why tracing ancestry is so complicated. --Two sisters take the same DNA test. The results show that one sister is 10% French, the other 0%. Both sisters share the same two parents, a

  • 05:33 Which voting system is the best? - Alex Gendler

    Which voting system is the best? - Alex Gendler

    137 views / 0 likes - added

    Dive into four different voting systems: plurality, instant runoff, tactical, and the Condorcet method, and find out which is fairest. --Imagine we want to build a new space port at one of four recently settled Martian bases, and are holding a vote to cho

  • 05:53 When is a pandemic over?

    When is a pandemic over?

    126 views / 0 likes - added

    Explore the three strategies governments and communities can use to contain and end a pandemic, and find out which method is best.--Consider the following scenario: a highly infectious, sometimes deadly respiratory virus infects humans for the first time.

  • 04:40 A day in the life of an ancient Peruvian shaman - Gabriel Prieto

    A day in the life of an ancient Peruvian shaman - Gabriel Prieto

    174 views / 0 likes - added

    Follow Quexo, a Peruvian shaman, as he searches for cinnabar to complete a special ritual that will protect his village from winter storms.--The year is 1400 BCE. At the temple of the fisherman, the morning is unusually still and this is just the latest i

  • 03:16 What happened when we all stopped narrated by Jane Goodall

    What happened when we all stopped narrated by Jane Goodall

    160 views / 1 likes - added

    An animated poem exploring how the Covid-19 pandemic has reminded us of the importance of living in harmony with nature. Download a free children's book version: https://bit.ly/TEDEdWhisper#WorldEnvironmentDay--As millions around the world shelter at home

  • 05:31 What really happened during the Salem Witch Trials - Brian A. Pavlac

    What really happened during the Salem Witch Trials - Brian A. Pavlac

    160 views / 0 likes - added

    Dig into how the infamous Salem Witch Trials began and why they remain a cautionary tale of the dangers of groupthink and scapegoating.--Youve been accused of a crime you did not commit. Its impossible to prove your innocence. If you insist that youre inn

  • 05:59 Why should you read Moby Dick? - Sascha Morrell

    Why should you read Moby Dick? - Sascha Morrell

    213 views / 0 likes - added

    Dive into Herman Melvilles classic novel Moby Dick, the story of Captain Ahabs hunt for revenge against the white whale who bit off his leg. --A mountain separating two lakes. A room papered floor to ceiling with bridal satins. The lid of an immense snuff

  • 04:54 What is phantom traffic and why is it ruining your life? - Benjamin Seibold

    What is phantom traffic and why is it ruining your life? - Benjamin Seibold

    125 views / 0 likes - added

    Download a free audiobook version of "Astrophysics for People in a Hurry" and support TED-Ed's nonprofit mission: https://www.audible.com/ted-ed Check out our full book recommendation: https://shop.ed.ted.com/collections/ted-ed-book-recommendations/produc

  • 05:26 What happens if you cut down all of a city's trees? - Stefan Al

    What happens if you cut down all of a city's trees? - Stefan Al

    124 views / 0 likes - added

    Explore what makes trees a vital part of cities, and how urban spaces throughout history have embraced the importance of trees.--By 2050, its estimated that over 65% of the world will be living in cities. We may think of nature as being unconnected to our

  • 06:10 The dark history of IQ tests - Stefan C. Dombrowski

    The dark history of IQ tests - Stefan C. Dombrowski

    120 views / 0 likes - added

    Explore the history of IQ tests; how they measure a persons intelligence and the ways they have been used to justify scientifically baseless ideologies. --In 1905, psychologists Alfred Binet and Thodore Simon designed a test for children who were struggli

  • 05:03 This sea creature breathes through its butt - Cella Wright

    This sea creature breathes through its butt - Cella Wright

    131 views / 0 likes - added

    Explore the wonderfully bizarre life of the sea cucumber, and discover the essential role they play in keeping ocean ecosystems healthy.--Is it a fuzzy sock? An overripe banana? A moldy tube of toothpaste? No! In fact, its a humble sea cucumber: a brainle

  • 05:23 The wildly complex anatomy of a sneaker - Angel Chang

    The wildly complex anatomy of a sneaker - Angel Chang

    133 views / 0 likes - added

    Dive into the anatomy of a sneaker to better understand your clothings carbon footprint, and how to be a more responsible consumer. --Australians call them runners." The British know them as trainers. Americans refer to them as sneakers. Whatever you call

  • 04:40 The electrifying speeches of Sojourner Truth - Daina Ramey Berry

    The electrifying speeches of Sojourner Truth - Daina Ramey Berry

    129 views / 0 likes - added

    Get to know the story of Sojourner Truth, a woman born into slavery who became known as a powerful orator and outspoken activist. --Isabella Baumfree was born into slavery in late 18th century New York. Fleeing bondage with her youngest daughter, she rena

  • 06:15 Which is better: Soap or hand sanitizer? - Alex Rosenthal and Pall Thordarson

    Which is better: Soap or hand sanitizer? - Alex Rosenthal and Pall Thordarson

    193 views / 0 likes - added

    Dig into the science of how soap breaks down a coronavirus, and the effectiveness of hand sanitizer against a viral outbreak. --Your hands, up close, are anything but smooth. With peaks and valleys, folds and rifts, there are plenty of hiding places for a

  • 05:17 Can you solve the worlds most evil wizard riddle? - Dan Finkel

    Can you solve the worlds most evil wizard riddle? - Dan Finkel

    188 views / 0 likes - added

    Practice more problem-solving at https://brilliant.org/TedEd/--The evil wizard MoldeVort has been trying to kill you for years, and today it looks like hes going to succeed. But your friends are on their way, and if you can survive until they arrive, they

  • 04:36 A day in the life of an Aztec midwife - Kay Read

    A day in the life of an Aztec midwife - Kay Read

    137 views / 0 likes - added

    Join the Aztec midwife Xoquauhtli as she tends to her patients and honors the warrior goddess Teteoinnan at a festival ushering in the season of warfare.--The midwife Xoquauhtli has a difficult choice to make. She owes a debt to her patron Teteoinnan, the

  • 05:16 Popular What is a coronavirus? - Elizabeth Cox

    What is a coronavirus? - Elizabeth Cox

    1,517 views / 15 likes - added

    Dig into the science of coronaviruses and find out how they cause diseases such as SARS, MERS, and COVID-19. --For almost a decade, scientists chased the source of a deadly new virus through Chinas tallest mountains and most isolated caverns. They finally

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  • 05:05 How do virus tests actually work? - Cella Wright

    How do virus tests actually work? - Cella Wright

    193 views / 0 likes - added

    Dig into two testing techniques for viruses: PCR tests to diagnose an infection and immunoassays to detect antibodies. --A new virus emerges and spreads like wildfire. In order to contain it, researchers must first collect data about whos been infected. T

  • 05:42 How do ventilators work? - Alex Gendler

    How do ventilators work? - Alex Gendler

    145 views / 0 likes - added

    Take a journey into the respiratory system to see how ventilators bypass constricted airways and help damaged lungs send oxygen to the body. --In the 16th century, physician Andreas Vesalius described how a suffocating animal could be kept alive by insert

  • 05:00 The hidden life of Rosa Parks -  Riche D. Richardson

    The hidden life of Rosa Parks - Riche D. Richardson

    270 views / 3 likes - added

    Learn about the life of civil rights activist Rosa Parks her work with the NAACP, bus boycotts, and her lifelong fight against racial inequality.--Throughout her life, Rosa Parks repeatedly challenged racial violence and the prejudiced systems protecting

  • 08:17 The Gauntlet| Think Like A Coder, Ep 8

    The Gauntlet| Think Like A Coder, Ep 8

    125 views / 0 likes - added

    The adventure continues! Episode 8: Ethic and Hedge find themselves at a gauntlet of forking paths. Can they find the right one before theyre captured?--This is episode 8 of our animated series Think Like A Coder. This 10-episode narrative follows a girl,

  • 04:47 The bug that poops candy - George Zaidan

    The bug that poops candy - George Zaidan

    167 views / 0 likes - added

    Download a free audiobook version of "Ingredients" and support TED-Ed's nonprofit mission: https://www.audible.com/ted-edCheck out our full book recommendation: https://shop.ed.ted.com/collections/ted-ed-book-recommendations/products/ingredients--Aphids c

  • 05:10 Whats the point(e) of ballet? - Ming Luke

    Whats the point(e) of ballet? - Ming Luke

    142 views / 0 likes - added

    How does ballet convey narrative, emotion, and character? Dive into The Sleeping Beauty to see how a ballet creates its essential elements. --A baby cursed at birth. A fierce battle of good and evil. A true love awoken with a kiss. Since premiering in 189

  • 05:26 How does alcohol make you drunk? - Judy Grisel

    How does alcohol make you drunk? - Judy Grisel

    137 views / 0 likes - added

    Follow alcohol on its journey through the body to find out how it causes drunkenness and why it affects people differently. -- Ethanol: this molecule, made of little more than a few carbon atoms, is responsible for drunkenness. Often simply referred to as

  • 05:34 The imaginary king who changed the real world - Matteo Salvadore

    The imaginary king who changed the real world - Matteo Salvadore

    113 views / 0 likes - added

    Get to know the legend of the king known as Prester John, whose myth would impact the decisions of European leaders for 400 years. --In 1165, copies of a strange letter began to circulate throughout Europe. It spoke of a fantastical realm, containing the

  • 04:56 Who was the world's first author? - Soraya Field Fiorio

    Who was the world's first author? - Soraya Field Fiorio

    135 views / 0 likes - added

    Travel back in time to ancient Mesopotamia and meet Enheduanna, a high priestess and the worlds first author.--4,300 years ago in ancient Sumer, the most powerful person in the city of Ur was banished to wander the vast desert. Her name was Enheduanna, an

  • 05:33 What is schizophrenia? - Anees Bahji

    What is schizophrenia? - Anees Bahji

    146 views / 0 likes - added

    Discover what we know and dont know about the symptoms, causes, and treatments of schizophrenia. --Schizophrenia was first identified more than a century ago, but we still dont know its exact causes. It remains one of the most misunderstood and stigmatize

  • 05:24 Why isn't the Netherlands underwater? - Stefan Al

    Why isn't the Netherlands underwater? - Stefan Al

    150 views / 0 likes - added

    Dig into the incredible engineering of the Netherlands Delta Works the most sophisticated flood prevention system in the world. --In January 1953, a tidal surge shook the North Sea. The titanic waves flooded the Dutch coastline, killing almost 2,000 peopl

  • 05:27 Can you solve the sea monster riddle? - Dan Finkel

    Can you solve the sea monster riddle? - Dan Finkel

    187 views / 1 likes - added

    Practice more problem-solving at https://brilliant.org/TedEd/ --According to legend, once every thousand years a host of sea monsters emerges from the depths to demand tribute from the floating city of Atlantartica. As the ruler of the city, youd always d

  • 05:38 How the world's longest underwater tunnel was built - Alex Gendler

    How the world's longest underwater tunnel was built - Alex Gendler

    114 views / 0 likes - added

    Discover how the English Channel Tunnel was built and the engineering challenges of building a 200 kilometer long tunnel underwater.--Flanked by two powerful nations, the English Channel has long been one of the worlds most important maritime passages. Ye

  • 05:17 The art forger who tricked the Nazis - Noah Charney

    The art forger who tricked the Nazis - Noah Charney

    145 views / 0 likes - added

    Discover how the notorious art forger Han van Meegeren tricked the world and the Nazis with his counterfeit Vermeer paintings.--It was one of the strangest trials in Dutch history. The defendant in a 1947 case was an art forger who had counterfeited milli

  • 04:58 How the Monkey King escaped the underworld - Shunan Teng

    How the Monkey King escaped the underworld - Shunan Teng

    185 views / 0 likes - added

    Meet Sun Wukong, the Monkey King, and follow his journey to the Realm of the Dead and his fierce battle to escape the underworld.--The Monkey King, a legendary troublemaker hatched from stone and schooled in divine magic, had stolen the Dragon Lords most

  • 05:07 Vultures: The acid-puking, plague-busting heroes of the ecosystem - Kenny Coogan

    Vultures: The acid-puking, plague-busting heroes of the ecosystem - Kenny Coogan

    96 views / 0 likes - added

    Explore the essential role vultures play in cleaning our ecosystems and why their conservation is key to a healthy planet.--In the African grasslands, a gazelle suffering from tuberculosis takes its last breath. The animals corpse threatens to infect the

  • 03:35 The Egyptian myth of Isis and the seven scorpions - Alex Gendler

    The Egyptian myth of Isis and the seven scorpions - Alex Gendler

    213 views / 1 likes - added

    Dive into the Egyptian myth of Isis, a powerful goddess protecting her son from her murderous brother with the help of seven scorpions. --A woman in rags emerged from a swamp flanked by seven giant scorpions and approached a magnificent mansion to beg for

  • 04:41 Why do people fear the wrong things? - Gerd Gigerenzer

    Why do people fear the wrong things? - Gerd Gigerenzer

    164 views / 0 likes - added

    How can we use statistics to evaluate risk? Dig into the difference between relative risk and absolute risk and how each is used in the news.--A new drug reduces the risk of heart attacks by 40%. Shark attacks are up by a factor of two. Drinking a liter o

  • 05:51 Can you solve the death race riddle? - Alex Gendler

    Can you solve the death race riddle? - Alex Gendler

    183 views / 1 likes - added

    Practice more problem-solving at https://brilliant.org/TedEd/ --The night before the Death Race across the Wastelands is set to begin, your uncle, the great inventor Slate Kanoli, got kidnapped by the ruthless No-Side gang. The only way to get him back is

  • 05:10 How one woman put man on the moon - Matt Porter & Margaret Hamilton

    How one woman put man on the moon - Matt Porter & Margaret Hamilton

    142 views / 0 likes - added

    Learn how Margaret Hamilton and her team of engineers built the software for the Apollo 11 mission that landed mankind on the Moon. --The Apollo 11 moon landing was about the astronauts, mission control, software and hardware all working together as a sea

  • 08:14 The Tower of Epiphany | Think Like A Coder, Ep 7

    The Tower of Epiphany | Think Like A Coder, Ep 7

    106 views / 0 likes - added

    The adventure continues! Episode 7: Ethic and Hedge find themselves in a massive tower. Can they make it past the energy streams to reach the Node of Creation?--This is episode 7 of our animated series Think Like A Coder. This 10-episode narrative follows

  • 05:13 Whats a squillo, and why do opera singers need it? - Ming Luke

    Whats a squillo, and why do opera singers need it? - Ming Luke

    147 views / 0 likes - added

    Discover the techniques opera singers use to project their voices over the orchestra and the importance of a singers squillo. --An orchestra fills an opera house with music, but a singers voice soars above the instruments. Its melody rings out across thou

  • 05:28 The tale of the doctor who defied Death - Iseult Gillespie

    The tale of the doctor who defied Death - Iseult Gillespie

    169 views / 0 likes - added

    Dive into the German tale of Godfather Death and his godson, the doctor who tries to master mortality.--A husband and wife were in despair. The woman had just given birth to their 13th child, and the growing family was quickly running out of food and mone

  • 05:11 The meaning of life according to Simone de Beauvoir - Iseult Gillespie

    The meaning of life according to Simone de Beauvoir - Iseult Gillespie

    113 views / 0 likes - added

    Explore the life and works of Simone de Beauvoir, the author of The Second Sex and existentialist philosopher who influenced early feminist theory. --At the age of 21, Simone de Beauvoir became the youngest person to take the philosophy exams at Frances m

  • 05:23 How one scientist took on the chemical industry - Mark Lytle

    How one scientist took on the chemical industry - Mark Lytle

    109 views / 0 likes - added

    Discover the groundbreaking environmental work of Rachel Carson, whose book Silent Spring explores how human actions threaten the balance of nature. --In 1958, after receiving a letter describing the deaths of songbirds due to the pesticide known as DDT,

  • 06:23 How can we solve the antibiotic resistance crisis? - Gerry Wright

    How can we solve the antibiotic resistance crisis? - Gerry Wright

    133 views / 0 likes - added

    Take a closer look at the challenges of antibiotic resistance and what we can do to prevent losing this vital medicine. --Antibiotics: behind the scenes, they enable much of modern medicine. We use them to cure infectious diseases, and to safely facilitat

  • 04:35 Spells, threats, and dragons: The secret messages of Viking runestones - Jesse Byock

    Spells, threats, and dragons: The secret messages of Viking runestones - Jesse Byock

    173 views / 0 likes - added

    Learn the history of Viking runes, the ancient Norse language of symbols that make up an alphabet called the futhark. --With their navigational skills and advanced longships, the Vikings sustained their seafaring for over 300 years. But for all their migh

  • 05:07 Why are some people left-handed? - Daniel M. Abrams

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

    166 views / 0 likes - added

    View full lesson: http://ed.ted.com/lessons/why-are-some-people-left-handed-daniel-m-abrams Today, about one-tenth of the world’s population are southpaws. Why are such a small proportion of people left-handed -- and why does the trait exist in the

  • 05:09 The legend of Annapurna, Hindu goddess of nourishment - Antara Raychaudhuri & Iseult Gillespie

    The legend of Annapurna, Hindu goddess of nourishment - Antara Raychaudhuri & Iseult Gillespie

    208 views / 1 likes - added

    Follow the legend of Parvati, the Hindu mother of the natural world, as she disappears from Earth and reemerges as Annapurna, the goddess of food. --Historically, the union between Shiva and Parvati was a glorious one: a sacred combination which brought f

  • 04:52 How do blood transfusions work? - Bill Schutt

    How do blood transfusions work? - Bill Schutt

    151 views / 0 likes - added

    Dive into the history of the life-saving procedure of blood transfusions and how it has evolved since the 17th century. --In 1881, doctor William Halsted rushed to help his sister Minnie, who was hemorrhaging after childbirth. He quickly inserted a needle

  • 04:51 Popular The accident that changed the world - Allison Ramsey and Mary Staicu

    The accident that changed the world - Allison Ramsey and Mary Staicu

    933 views / 0 likes - added

    Learn how Alexander Fleming discovered penicillin, and how the antibiotic has changed medicine and the treatment of infections. --In 1928, scientist Alexander Fleming returned to his lab and found something unexpected: a colony of mold growing on a Petri

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  • 05:16 One of the most epic engineering feats in history - Alex Gendler

    One of the most epic engineering feats in history - Alex Gendler

    189 views / 0 likes - added

    Dig into the history of the construction of the iconic Brooklyn Bridge and how John Roebling designed a hybrid suspension system to build it. --In the mid-19th century, suspension bridges were collapsing all across Europe. Their industrial cables frayed a

  • 05:37 Do politics make us irrational? - Jay Van Bavel

    Do politics make us irrational? - Jay Van Bavel

    183 views / 0 likes - added

    Dig into the psychology of political partisanship, how to recognize it and what strategies can be used to combat it. --Can someones political identity actually affect their ability to process information? The answer lies in a cognitive phenomenon known as

  • 05:32 The life, legacy & assassination of an African revolutionary - Lisa Janae Bacon

    The life, legacy & assassination of an African revolutionary - Lisa Janae Bacon

    162 views / 0 likes - added

    Get to know the life of West African revolutionary Thomas Sankara, and his pursuit of liberating Burkina Faso from colonial rule.--In 1972, Thomas Sankara was swept into the revolution seeking to wrest control of Madagascar from Frances lingering colonial

  • 04:22 Everything changed when the fire crystal got stolen - Alex Gendler

    Everything changed when the fire crystal got stolen - Alex Gendler

    165 views / 0 likes - added

    This riddle was created in partnership with Brilliant. Practice more problem solving here: https://brilliant.org/TedEd/ --Someone has tripped the magical alarms in the Element Temple. When you and the other monks arrive on the scene, you know you have a d

  • 04:43 How bones make blood - Melody Smith

    How bones make blood - Melody Smith

    520 views / 0 likes - added

    Dig into the science of how bone marrow transplants work and find out how you could become a donor by visiting https://join.bethematch.org/teded--Bones might seem rock-solid, but theyre actually quite porous inside. Most of the large bones of your skeleto

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  • 05:23 Popular Licking bees and pulping trees: The reign of a wasp queen - Kenny Coogan

    Licking bees and pulping trees: The reign of a wasp queen - Kenny Coogan

    877 views / 3 likes - added

    Take a look inside a hive as a wasp queen begins her reign; founding a colony, hunting to feed her brood and defending against intruders. -- As the sun rises, something royal stirs inside a pile of firewood. It's the wasp queen; one of thousands who mated

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  • 06:41 The Chasm | Think Like A Coder, Ep 6

    The Chasm | Think Like A Coder, Ep 6

    137 views / 0 likes - added

    The adventure continues! Episode 6: Ethic, Hedge, and Octavia must find a way to cross the bottomless ravine to get to the tower. Can they make it before the guards return? --This is episode 6 of our animated series Think Like A Coder. This 10-episode nar

  • 04:58 What's so special about Viking ships? - Jan Bill

    What's so special about Viking ships? - Jan Bill

    131 views / 0 likes - added

    Explore the history and technology of Viking longships, which helped the Scandinavians conquer trade routes and new territories.--As the Roman Empire flourished, Scandinavians had small settlements and no central government. Yet by the 11th century, they

  • 04:54 Why is cotton in everything? - Michael R. Stiff

    Why is cotton in everything? - Michael R. Stiff

    240 views / 1 likes - added

    Dig into the science of how cotton transforms from seed to fiber, and how these cotton fibers are used to make everything from fabrics, to currency, and fishing nets.--Centuries ago, the Inca developed ingenuous suits of armor that could protect warriors

  • 06:42 The Artists | Think Like A Coder, Ep 5

    The Artists | Think Like A Coder, Ep 5

    147 views / 0 likes - added

    The adventure continues! Episode 5: Ethic and Hedge arrive in the 198forest in search of the second artifact. Can they sneak past the guards to get to the tower? --This is episode 5 of our animated series Think Like A Coder. This 10-episode narrative foll

  • 04:40 Could a breathalyzer detect cancer? - Julian Burschka

    Could a breathalyzer detect cancer? - Julian Burschka

    291 views / 0 likes - added

    Discover how scientists are analyzing compounds in the breath to create a versatile breathalyzer capable of detecting disease.--How is it that a breathalyzer can measure the alcohol content in someones blood, hours after they had their last drink, based o

  • 05:04 Can you solve the dragon jousting riddle? - Alex Gendler

    Can you solve the dragon jousting riddle? - Alex Gendler

    222 views / 0 likes - added

    Practice more problem-solving at https://brilliant.org/TedEd/ -- After years of war, the worlds kingdoms have come to an agreement. Every five years, teams representing the elves, goblins, and treefolk will compete in a grand tournament of dragon jousting

  • 05:21 A brief history of alcohol - Rod Phillips

    A brief history of alcohol - Rod Phillips

    113 views / 0 likes - added

    Trace the 7,000 year old history of alcohol, from its first known origins in China to cultures all over the world fermenting their own drinks.--Nobody knows exactly when humans began to create fermented beverages. The earliest known evidence comes from 7,

  • 05:14 The mysterious life and death of Rasputin - Eden Girma

    The mysterious life and death of Rasputin - Eden Girma

    158 views / 0 likes - added

    Get to know the story of Rasputin, known as the Mad Monk, who was assassinated for his involvement with the Russian monarchy.--On a night in 1916, Russian aristocrats set a plot of assassination into motion. If all went as planned, a man would be dead by

  • 05:26 The philosophy of cynicism - William D. Desmond

    The philosophy of cynicism - William D. Desmond

    190 views / 0 likes - added

    Explore the ancient Greek philosophy of cynicism, which calls for the rejection of materialism and conformity in favor of a simple life. --In the 4th century BCE, a young Diogenes of Sinope was found to be counterfeiting coins. He was stripped of his citi

  • 05:06 Why should you read Dune by Frank Herbert? - Dan Kwartler

    Why should you read Dune by Frank Herbert? - Dan Kwartler

    169 views / 0 likes - added

    Discover Frank Herberts science fiction classic, Dune, which tells the story of a man catapulted into the middle of a planetary revolution. --A mother and son trek across an endless desert. Wearing special suits to dissipate heat and recycle moisture, the

  • 03:53 Why should you read The Joy Luck Club by Amy Tan? - Sheila Marie Orfano

    Why should you read The Joy Luck Club by Amy Tan? - Sheila Marie Orfano

    154 views / 0 likes - added

    Get to know Amy Tans novel The Joy Luck Club, a series of interconnected vignettes centered around four Chinese American families. --In her Auntie An-meis home, Jing-Mei reluctantly takes her seat at the eastern corner of the mahjong table. At the north,

  • 04:47 History's "worst" nun - Theresa A. Yugar

    History's "worst" nun - Theresa A. Yugar

    220 views / 0 likes - added

    Get to know the life of Mexican nun, poet and scholar, Sor Juana Ins de la Cruz, who was censored by the Church for her critical writings. --Juana Ramrez de Asbaje sat before a panel of prestigious theologians, jurists, and mathematicians. They had been i

  • 06:00 The Train Heist | Think Like A Coder, Ep 4

    The Train Heist | Think Like A Coder, Ep 4

    146 views / 0 likes - added

    The adventure continues! Episode 4: The trio plot how they can steal the first artifact the Node of Power. Can they take it without being discovered? --This is episode 4 of our animated series Think Like A Coder. This 10-episode narrative follows a girl,

  • 04:48 Why should you read Lord of the Flies by William Golding? - Jill Dash

    Why should you read Lord of the Flies by William Golding? - Jill Dash

    198 views / 0 likes - added

    Explore William Goldings timeless satire, Lord of the Flies, which follows a group of shipwrecked boys as they descend into anarchy. --After witnessing the atrocities of his fellow man in World War II, William Golding was losing his faith in humanity. Lat

  • 05:26 How does chemotherapy work? - Hyunsoo Joshua No

    How does chemotherapy work? - Hyunsoo Joshua No

    111 views / 0 likes - added

    Discover how chemotherapy drugs use cytotoxic agents to attack cancer cells and the impact they have on your body. --During World War I, scientists were trying to develop an antidote to the poisonous yellow cloud known as mustard gas. They discovered the

  • 05:11 Popular Hacking bacteria to fight disease - Tal Danino

    Hacking bacteria to fight disease - Tal Danino

    744 views / 0 likes - added

    Explore how synthetic biologists are programming bacteria to fight cancer by manipulating their DNA. --In 1884, an unlucky patient who had a rapidly growing cancer in his neck came down with an unrelated bacterial skin infection. As he recovered from the

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  • 05:06 Why doesn't the Leaning Tower of Pisa fall over? - Alex Gendler

    Why doesn't the Leaning Tower of Pisa fall over? - Alex Gendler

    194 views / 0 likes - added

    Dig into the 800 year history and architecture of the Leaning Tower of Pisa and find out what gives the tower its infamous tilt. --In 1990, the Italian government enlisted top engineers to stabilize Pisas famous Leaning Tower. Thered been many attempts du

  • 05:23 The history of the world according to corn - Chris A. Kniesly

    The history of the world according to corn - Chris A. Kniesly

    202 views / 0 likes - added

    Trace the 9,000 year old history of the domestication of corn, or maize, and its effects on global agriculture. --Corn currently accounts for more than one tenth of our global crop production. And over 99% of cultivated corn is the exact same type: Yellow

  • 04:59 Game theory challenge: Can you predict human behavior? - Lucas Husted

    Game theory challenge: Can you predict human behavior? - Lucas Husted

    200 views / 0 likes - added

    Solve this classic game theory challenge: given integers from 0 to 100, what would the whole number closest to of the average of all numbers guessed be?--Given a range of integers from 0 to 100, what would the whole number closest to 2/3 of the average of

  • 03:45 Can you outsmart this logical fallacy? - Alex Gendler

    Can you outsmart this logical fallacy? - Alex Gendler

    226 views / 1 likes - added

    Explore the psychology of the cognitive bias known as the conjunction fallacy, where we assume specific conditions are more probable than general ones. --Meet Lucy. She was a math major in college, and aced all her courses in probability and statistics. W


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