TED-Ed: Lessons Worth Sharing
237 episodes - English - Latest episode: over 3 years ago - ★★★★ - 618 ratingsTED-Ed's commitment to creating lessons worth sharing is an extension of TED's mission of spreading great ideas. Within TED-Ed's growing library of TED-Ed animations, you will find carefully curated educational videos, many of which represent collaborations between talented educators and animators nominated through the TED-Ed website (ed.ted.com).
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Episodes
Can you solve the honeybee riddle? | Dan Finkel
August 09, 2020 23:07 - 4 minutes VideoYou're 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. You've already constructed wire frames of the appropriate size and shape. Now you need to turn them into working beehives by filling every hex with wax. Can you help the bees create producing hives? Dan Finkel shows how. [Directed by Charlotte Arene, narrated by Addison Anderson, music by Stephen LaRosa].
Ethical dilemma: The burger murders | George Siedel and Christine Ladwig
August 09, 2020 23:05 - 5 minutes VideoYou founded a company that manufactures meatless burgers that are sold in stores worldwide. But you've recently received awful news: three people in one city died after eating your burgers. A criminal has injected poison into your product! The deaths are headline news and sales have plummeted. How do you deal with the crisis? George Siedel and Christine Ladwig explore the different strategies of this ethical dilemma. [Directed by Patrick Smith, narrated by Addison Anderson, music by ...
No one can figure out how eels have sex | Lucy Cooke
August 09, 2020 23:03 - 5 minutes - 46.2 MB VideoFrom Ancient Greece to the 20th century, Aristotle, Freud, and numerous other scholars were all looking for the same thing: eel testicles. Freshwater eels could be found in rivers across Europe, but no one had ever seen them mate and no researcher could find eel eggs or identify their reproductive organs. So how do eels reproduce, and where do they do it? Lucy Cooke digs into the ancient mystery. [Directed by Anton Bogaty, narrated by Adrian Dannatt, music by Jarrett Farkas].
How do our brains process speech? | Gareth Gaskell
July 23, 2020 18:37 - 4 minutes - 38.9 MB VideoThe 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 every word, the brain has a quick decision to make: which of those thousands of options matches the signal? And about 98% of the time, the brain chooses the correct word. How is this possible? Gareth Gaskell digs into the complexities of speech comprehension. [Directed by Art Shot, narrated by Addison Anderson, music by Stephen LaRosa].
The myth of Jason, Medea, and the Golden Fleece | Iseult Gillespie
July 21, 2020 15:17 - 4 minutes - 37 MB VideoIn Colchis, the hide of a mystical flying ram hangs from the tallest oak, guarded by a dragon who never sleeps. The only way Jason can pry it from King Aeetes' clutches and win back his promised throne is by facing three perilous tasks— without the help of the Argonauts. Unbeknownst to the king, his daughter Medea was plotting something. Iseult Gillespie shares the myth of the Golden Fleece. [Directed by Jordan Bruner, narrated by Addison Anderson, music by Stephen LaRosa].
The rise and fall of the Celtic warriors | Philip Freeman
July 21, 2020 14:32 - 4 minutes VideoOne summer evening in 335 BCE, Alexander the Great was resting by the Danube River when a band of strangers approached his camp. Alexander had never seen anything like these tall, fierce-looking warriors with huge golden neck rings and colorful cloaks. They were Keltoi or Celts— a collection of independent tribes spread across Europe. Philip Freeman details the rise and fall of the ancient Celts. [Directed by Paper Panther, narrated by Addison Anderson, music by Stephen LaRosa].
The Egyptian myth of the death of Osiris | Alex Gendler
July 16, 2020 18:50 - 3 minutes VideoLong jealous of his older brother Osiris, the god who ruled all of Egypt, the warrior god Set plotted to overthrow him. Hosting an extravagant party as a ruse, Set announced a game— whoever could fit perfectly in a wooden chest could have it as a gift. But the chest was a coffin, trapping Osiris inside. Will his sisters be able to find and free him? Alex Gendler details the myth of Osiris. [Directed by Keegan Thornhill, narrated by Addison Anderson, music by Jarrett Farkas].
The race to decode a mysterious language | Susan Lupack
July 14, 2020 16:28 - 4 minutes - 36.3 MB VideoIn the early 1900s, archaeologist Sir Arthur Evans uncovered nearly 3,000 tablets inscribed with strange symbols. He thought the script, dubbed Linear B, represented the Minoan language, while others came up with their own theories. Was it the lost language of the Etruscans? Or an early form of Basque? Its meaning would elude scholars for 50 years. Susan Lupack explores the mysterious inscriptions. [Directed by Movult, narrated by Bethany Cutmore-Scott, music by Stephen LaRosa].
What makes volcanoes erupt? | Steven Anderson
July 13, 2020 16:07 - 5 minutes VideoIn February of 1942, Mexican farmer Dionisio Pulido thought he heard thunder coming from his cornfield. However, the sound wasn't coming from the sky. The source was a large, smoking crack emitting gas and ejecting rocks, and would come to be known as the volcano Paricutin. Where do new volcanoes like this come from, and what triggers their unpredictable eruption? Steven Anderson investigates. [Directed by Cabong Studios, narrated by Addison Anderson, music by Astrolábio Studio / Jul...
What happened when the United States tried to ban alcohol | Rod Phillips
July 09, 2020 15:15 - 4 minutes VideoOn January 17, 1920, less than one hour after spirits had become illegal throughout the United States, armed men robbed a Chicago freight train and made off with thousands of dollars worth of whiskey. It was a first taste of the unintended consequences of Prohibition. So what exactly was Prohibition, and why did it happen? Rod Phillips investigates this chapter of American history. [Directed by Gibbons Studio, narrated by Addison Anderson, music by Fred Roux].
The tale of the boy who tricked the Devil | Iseult Gillespie
July 07, 2020 16:05 - 5 minutes VideoIn a small town, a proud mother showed off her newborn son. Upon noticing his lucky birthmark, townsfolk predicted he would marry a princess. But soon, these rumors reached the wicked king. Enraged, the king stole the child away, and sent him hurtling down the river. But the infant's luck proved greater than the king's plan. Iseult Gillespie tells the tale of the boy's journey to meet the Devil. [Directed by Lucija Bužančić, narrated by Adrian Dannatt, music by Bamm Bamm Wolfgang]. ...
The greatest mathematician that never lived | Pratik Aghor
July 06, 2020 15:20 - 4 minutes - 39.5 MB VideoWhen Nicolas Bourbaki applied to the American Mathematical Society in the 1950s, he was already one of the most influential mathematicians of his time. He'd published articles in international journals and his textbooks were required reading. Yet his application was firmly rejected for one simple reason: Nicolas Bourbaki did not exist. How is that possible? Pratik Aghor digs into the mystery. [Directed by Província Studio, narrated by Addison Anderson, music by Cem Misirlioglu / WORK...
What is phantom traffic and why is it ruining your life? | Benjamin Seibold
May 28, 2020 15:35 - 4 minutes - 36.1 MB VideoYou're cruising down the highway when all of a sudden endless rows of brake lights appear ahead. There's no accident, no stoplight, no change in speed limit, or narrowing of the road. So why is there so much traffic? It's due to a phenomenon called a phantom traffic jam. Benjamin Seibold explains why it happens and how we might prevent it in the future. [Directed by Cris Wiegandt, narrated by Addison Anderson, music by André Aires, AIM Creative Studios].
Why should you read "Moby Dick"? | Sascha Morrell
May 26, 2020 16:48 - 5 minutes VideoA mountain separating two lakes. A room papered floor to ceiling with bridal satins. The lid of an immense snuffbox. These seemingly unrelated images take us on a tour of a sperm whale's head in Herman Melville's "Moby Dick." Though the book features pirates, typhoons, high-speed chases, and giant squid, it's anything but a conventional seafaring adventure. Sascha Morrell digs into the classic novel. [Directed by Martina Meštrović, narrated by Adrian Dannatt, music by Stephen LaRosa]...
How do ventilators work? | Alex Gendler
May 21, 2020 15:38 - 5 minutes - 43.4 MB VideoIn the 16th century, physician Andreas Vesalius described how a suffocating animal could be kept alive by inserting a tube into its trachea and blowing air to inflate its lungs. Today, Vesalius's treatise is recognized as the first description of mechanical ventilation— a crucial practice in modern medicine. So how do our modern ventilators work? Alex Gendler explains the life-saving technology. [Directed by Artrake Studio, narrated by Addison Anderson].
Can you solve the world's most evil wizard riddle? | Dan Finkel
May 19, 2020 15:17 - 4 minutes - 36.7 MB VideoThe evil wizard MoldeVort has been trying to kill you for years, and today it looks like he's going to succeed. But your friends are on their way, and if you can survive until they arrive, they should be able to help stop him. Can you keep MoldeVort trapped long enough for help to arrive? Dan Finkel shows how. [Directed by Artrake Studio, narrated by Addison Anderson].
How do you know if you have a virus? | Cella Wright
May 18, 2020 15:19 - 4 minutes - 38.1 MB VideoA new virus emerges and spreads like wildfire. In order to contain it, researchers must first collect data about who's been infected. Two main viral testing techniques are critical: one tells you if you have the virus and the other shows if you've already had it. So, how exactly do these tests work? Cella Wright explores the science of PCR tests and immunoassays. [Directed by Hype CG, narrated by Bethany Cutmore-Scott, music by Gabriel Maia].
What is a coronavirus? | Elizabeth Cox
May 14, 2020 15:58 - 4 minutes - 39 MB VideoFor almost a decade, scientists chased the source of a deadly new virus through China's tallest mountains and most isolated caverns. They finally found it in the bats of Shitou Cave. The virus in question was a coronavirus that caused an epidemic of severe acute respiratory syndrome, or SARS, in 2003. So what exactly is a coronavirus, and how does it spread? Elizabeth Cox explains. [Directed by Anton Bogaty, narrated by Bethany Cutmore-Scott, music by Jarrett Farkas].
A day in the life of an Aztec midwife | Kay Read
May 12, 2020 15:04 - 4 minutes VideoThe midwife Xoquauhtli has a difficult choice to make. She owes a debt to her patron Teteoinnan, the female warrior goddess at the center of the Aztec seasonal festival, who must be kept happy or she will bring bad luck. Xoquauhtli should participate in the festival today, but one of her patients could go into labor any minute. Kay Read outlines a day in the life of an Aztec midwife. [Directed by AIM Creative Studios, narrated by Bethany Cutmore-Scott, music by André Aires].
What causes opioid addiction, and why is it so tough to combat? | Mike Davis
May 08, 2020 14:54 - 8 minutes VideoIn the 1980s and 90s, pharmaceutical companies began to market opioid painkillers aggressively, while actively downplaying their addictive potential. The number of prescriptions skyrocketed, and so did cases of addiction, beginning a crisis that continues today. What makes opioids so addictive? Mike Davis explains what we can do to reverse the skyrocketing rates of addiction and overdose. [Directed by Good Bad Habits, narrated by Addison Anderson, music by Landon Trimble/ Playdate]. ...
Which is better: Soap or hand sanitizer? | Alex Rosenthal and Pall Thordarson
May 05, 2020 21:47 - 5 minutes VideoYour hands, up close, are anything but smooth. With peaks and valleys, folds and rifts, there are plenty of hiding places for a virus to stick. If you then touch your face, the virus can infect you. But there are two extraordinarily simple ways you can keep that from happening: soap and water, and hand sanitizer. So which is better? Alex Rosenthal and Pall Thordarson investigate. [Directed by Artrake Studio, narrated by Addison Anderson].
What really happened during the Salem Witch Trials | Brian A. Pavlac
May 04, 2020 15:12 - 5 minutes VideoYou've been accused of a crime you did not commit. It's impossible to prove your innocence. If you insist that you're innocent anyway, you'll likely be found guilty and executed. But if you confess, apologize, and implicate others, you'll go free. This was the choice facing those accused of witchcraft in Salem, Massachusetts in the 17th century. How did this happen? Brian A. Pavlac investigates. [Directed by Lucy Animation Studio, narrated by Susan Zimmerman, music by Stephen LaRosa]...
What happens if you cut down all of a city's trees? | Stefan Al
April 24, 2020 15:02 - 5 minutes - 42.9 MB VideoBy 2050, it's estimated that over 65% of the world will be living in cities. We may think of nature as being unconnected to our urban spaces, but trees have always been an essential part of successful cities. Humanity has been uncovering these arboreal benefits since the creation of our first cities thousands of years ago. So what makes trees so important to a city's survival? Stefan Al explains. [Directed by Mette Ilene Holmriis, narrated by Addison Anderson, music by Bamm Bamm Wolf...
The wildly complex anatomy of a sneaker | Angel Chang
April 23, 2020 15:32 - 5 minutes VideoAustralians call them "runners." The British know them as "trainers." Americans refer to them as "sneakers." Whatever you call them, these casual shoes are worn by billions of people around the world. Today, roughly 23 billion shoes are produced each year. So, how can we balance our love of sneakers with the need for sustainability? Angel Chang explores how shoe manufacturing impacts our planet. [Directed and animated by Ella Dobson, narrated by Addison Anderson, music by Stephen LaR...
What's the point(e) of ballet? | Ming Luke
April 20, 2020 15:16 - 4 minutes VideoA baby cursed at birth. A fierce battle of good and evil. A true love awoken with a kiss. Since premiering in 1890, "The Sleeping Beauty" has become one of the most frequently staged ballets in history. So what makes this piece so beloved? And what exactly does ballet bring to this— or any other— story? Ming Luke shares what makes ballet the perfect medium for stories old and new. [Directed by Visorama, narrated by Addison Anderson, music by Jarrett Farkas].
The Gauntlet | Think Like A Coder, Ep 8 | Alex Rosenthal
April 16, 2020 19:37 - 8 minutes VideoThis is episode 8 of our animated series "Think Like A Coder." This 10-episode narrative follows a girl, Ethic, and her robot companion, Hedge, as they attempt to save the world. The two embark on a quest to collect three artifacts and must solve their way through a series of programming puzzles. [Directed by Kozmonot Animation Studio, narrated by Addison Anderson].
The bug that poops candy | George Zaidan
April 14, 2020 15:06 - 4 minutes - 34.6 MB VideoAphids can reproduce incredibly fast: they can make 20 new generations within a single season. And that means lots of poop. Some aphid populations can produce hundreds of kilograms of poop per acre— making them some of the most prolific poopers on the planet. We know this poop as the sweet, syrupy liquid called honeydew. George Zaidan explores the wonderfully weird life of an aphid. [Directed by Hype CG, narrated by George Zaidan, music by Gabriel Maia].
The hidden life of Rosa Parks | Riché D. Richardson
April 13, 2020 16:10 - 4 minutes - 36.6 MB VideoThroughout her life, Rosa Parks repeatedly challenged racial violence and the prejudiced systems protecting its perpetrators. Her refusal to move to the back of a segregated bus ignited a boycott that lasted 381 days and helped transform civil rights activism into a national movement. But this work came at an enormous risk— and a personal price. Riché D. Richardson details the life of Rosa Parks. [Directed by Eido, narrated by Christina Greer, music by John Poon].
How does alcohol make you drunk? | Judy Grisel
April 09, 2020 15:03 - 5 minutes - 40.2 MB VideoEthanol: this molecule, made of little more than a few carbon atoms, is responsible for drunkenness. Often simply referred to as alcohol, ethanol is the active ingredient in alcoholic beverages. So how exactly does it cause drunkenness, and why does it have dramatically different effects on different people? Judy Grisel explores alcohol's journey through the body. [Directed by Anton Bogaty, narrated by Bethany Cutmore-Scott].
How the Monkey King escaped the underworld | Shunan Teng
April 07, 2020 15:05 - 4 minutes VideoThe Monkey King, a legendary troublemaker hatched from stone and schooled in divine magic, had stolen the Dragon Lord's most treasured weapon: a magical staff. Returning to his kingdom to show off his treasure to his tribe of warrior monkeys, he finds himself caught in the clutches of two soul collectors, dragging him to his death. Shunan Teng details the Monkey King's journey to the underworld. [Directed by Yijia Cao & Mohammad Babakoohi, narrated by Bethany Cutmore-Scott, music by ...
The art forger who tricked the Nazis | Noah Charney
April 06, 2020 17:17 - 4 minutes VideoIt was one of the strangest trials in Dutch history. The defendant in a 1947 case was an art forger who had counterfeited millions of dollars worth of paintings. But he wasn't arguing his innocence— in fact, his life depended on proving that he had committed fraud. Who was this artist, and why was he on trial for his life? Noah Charney investigates the notorious Han van Meegeren. [Directed by Hype CG, narrated by Addison Anderson, music by Gabriel Maia].
Can you solve the sea monster riddle? | Daniel Finkel
April 02, 2020 16:09 - 4 minutes - 39.4 MB VideoAccording 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, you'd always dismissed the stories... until today, when they rose out of the roiling waters, surrounded your city and demanded a ransom of pearls. Can you figure out which chest of pearls is the ransom? Dan Finkel shows how. [Directed by Artrake Studio, narrated by Addison Anderson].
History vs. Sigmund Freud | Todd Dufresne
March 31, 2020 17:30 - 5 minutes - 42.4 MB VideoWorking in Vienna at the turn of the 20th century, he began his career as a neurologist before pioneering the discipline of psychoanalysis, and his influence towers above that of all other psychologists in the public eye. But was Sigmund Freud right about human nature? And were his methods scientific? Todd Dufresne puts this controversial figure on trial in History vs. Sigmund Freud. [Directed by Brett Underhill, narrated by Addison Anderson].
How the world's longest underwater tunnel was built | Alex Gendler
March 30, 2020 15:05 - 5 minutes VideoFlanked by two powerful nations, the English Channel has long been one of the world's most important maritime passages. Yet for most of its history, crossing was a dangerous prospect. Engineers proposed numerous plans for spanning the gap, including a design for an underwater passage more than twice the length of any existing tunnel. Alex Gendler details the creation of the Channel Tunnel. [Directed by Studio Kimchi, narrated by Addison Anderson, music by Aurélien Vieira Lino].
What is schizophrenia? | Anees Bahji
March 26, 2020 15:21 - 5 minutes - 44.9 MB VideoSchizophrenia was first identified more than a century ago, but we still don't know its exact causes. It remains one of the most misunderstood and stigmatized illnesses today. So what do we actually know about its symptoms, causes, and treatments? Anees Bahji investigates. [Directed by Artrake Studio, narrated by Susan Zimmerman, music by Stephen LaRosa].
Why isn't the Netherlands underwater? | Stefan Al
March 24, 2020 15:29 - 4 minutes - 39.3 MB VideoIn January 1953, a tidal surge shook the North Sea. The titanic waves flooded the Dutch coastline, killing almost 2,000 people. 54 years later, a similar storm threatened the region. But this time, they were ready. This was thanks to a massive, interlocking system known as the Delta Works— the most sophisticated flood prevention project in the world. Stefan Al dives into this marvel of engineering. [Directed by JodyPrody, narrated by Addison Anderson, music by André Aires / AIM Creat...
Who was the world's first author? | Soraya Field Fiorio
March 23, 2020 15:50 - 4 minutes - 36.4 MB Video4,300 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, and by the time of her exile, she had written forty-two hymns and three epic poems— and Sumer hadn't heard the last of her. Who was this woman, and why was she exiled? Soraya Field Fiorio details the life of history's first author. [Directed by Laura White, narrated by Christina Greer, music by Phil Brookes].
The imaginary king who changed the real world | Matteo Salvadore
March 19, 2020 15:44 - 5 minutes VideoIn 1165, copies of a strange letter began to circulate throughout Europe. It spoke of a fantastical realm, containing the Tower of Babel and the Fountain of Youth— all ruled over by the letter's mysterious author: Prester John. Who was this powerful ruler, and was he even real? Matteo Salvadore shares the legend of a mythical king who impacted the decisions of European leaders for 400 years. [Directed by Anna Nowakowska, narrated by Addison Anderson, music by Cam Misirlioglu / WORKPL...
How one scientist took on the chemical industry | Mark Lytle
March 17, 2020 17:16 - 5 minutes - 40.5 MB VideoIn 1958, after receiving a letter describing the deaths of songbirds due to the pesticide known as DDT, Rachel Carson began an investigation into the misuse of chemicals and their toll on nature. In 1962, she published her findings in "Silent Spring," which immediately drew both applause and impassioned dissent. How did this biologist and writer ignite such controversy? Mark Lytle investigates. [Directed by Héloïse Dorsan Rachet, narrated by Susan Zimmerman, music by Luke O'Malley]. ...
How can we solve the antibiotic resistance crisis? | Gerry Wright
March 16, 2020 15:50 - 5 minutes - 48.3 MB VideoAntibiotics: behind the scenes, they enable much of modern medicine. We use them to cure infectious diseases, and to safely facilitate everything from surgery to chemotherapy to organ transplants. But we've stopped discovering new ones and we're at risk of losing them forever. How did we get into this situation? Gerry Wright shares what we can do about antibiotic resistance. [Directed by Artrake Studio, narrated by Addison Anderson, music by Stephen LaRosa].
The tale of the doctor who defied Death | Iseult Gillespie
March 12, 2020 15:44 - 5 minutes VideoA 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 money. Wandering into the woods, the father encountered a skeletal figure with sunken eyes and a gaunt face: this was Death himself, come to offer his services as Godfather. Iseult Gillespie tells the tale of Death and the doctor. [Directed by Yael Reisfeld, narrated by Jack Cutmore-Scott, music by Jarrett Farkas].
The meaning of life according to Simone de Beauvoir | Iseult Gillespie
March 10, 2020 20:49 - 4 minutes - 41.2 MB VideoAt the age of 21, Simone de Beauvoir became the youngest person to take the philosophy exams at France's most esteemed university. But as soon as she mastered the rules of philosophy, she wanted to break them. Her desire to explore the physical world to its fullest would shape her life, and eventually, inspire radical new philosophies. Iseult Gillespie explores the life of the revolutionary thinker. [Directed by Sarah Saidan, narrated by Bethany Cutmore-Scott, music by Stephen LaRosa...
What's a squillo, and why do opera singers need it? | Ming Luke
March 09, 2020 15:51 - 4 minutes VideoAn orchestra fills an opera house with music, but a singer's voice soars above the instruments. Its melody rings out across thousands of patrons— all without any assistance from a microphone. How is it possible that a single voice can be heard so clearly? The answer lies in the physics of the human voice. Ming Luke explains the carefully honed technique of an expert opera singer. [Directed by Franz Palomares, narrated by Addison Anderson].
The Tower of Epiphany | Think Like A Coder, Ep 7 | Alex Rosenthal
February 27, 2020 17:17 - 7 minutes - 71.9 MB VideoThis is episode 7 of our animated series "Think Like A Coder." This 10-episode narrative follows a girl, Ethic, and her robot companion, Hedge, as they attempt to save the world. The two embark on a quest to collect three artifacts and must solve their way through a series of programming puzzles. [Directed by Kozmonot Animation Studio, narrated by Addison Anderson].
Why do people fear the wrong things? | Gerd Gigerenzer
February 25, 2020 16:06 - 4 minutes - 34.9 MB VideoA new drug reduces the risk of heart attacks by 40%. Shark attacks are up by a factor of two. Drinking a liter of soda per day doubles your chance of developing cancer. These are all examples of a common way risk is presented in news articles, and can often be misleading. So how can we better evaluate risk? Gerd Gigerenzer explores the difference between relative and absolute risk. [Directed by Visorama, narrated by Addison Anderson].
Vultures: The acid-puking, plague-busting heroes of the ecosystem | Kenny Coogan
February 24, 2020 16:25 - 4 minutes - 39.3 MB VideoIn the African grasslands, a gazelle suffering from tuberculosis takes its last breath. The animal's corpse threatens to infect the water, but for the vulture, this isn't a problem: it's a feast. With a stomach of steel that can digest diseased meat and waste, vultures are essential to removing dangerous pathogens from ecosystems. Kenny Coogan explores the importance of the desert's cleanup crew. [Directed by Katarina Jukić, narrated by Addison Anderson].
The secret messages of Viking runestones | Jesse Byock
February 20, 2020 16:03 - 4 minutes VideoWith their navigational skills and advanced longships, the Vikings sustained their seafaring for over 300 years. But for all their might, they left few monuments. Instead, fragments of stone, bark and bone found in the sites of ancient settlements provide the keys to their culture. Many of these objects are inscribed with Old Norse written in runic letters. Jesse Byock explores the ancient language. [Directed by Lisa LaBracio, narrated by Bethany Cutmore-Scott].
How do blood transfusions work? | Bill Schutt
February 20, 2020 15:35 - 4 minutes - 35.9 MB VideoIn 1881, doctor William Halsted rushed to help his sister Minnie, who was hemorrhaging after childbirth. He quickly inserted a needle into his arm, withdrew his own blood, and transferred it to her. After a few uncertain minutes, she began to recover. What made this blood transfusion successful? Bill Schutt explains the history of the life-saving procedure. [Directed by Hype CG, narrated by Addison Anderson, music by Gabriel Maia].
The legend of Annapurna, Hindu goddess of nourishment | Antara Raychaudhuri and Iseult Gillespie
February 13, 2020 16:05 - 4 minutes VideoHistorically, the union between Shiva and Parvati was a glorious one: a sacred combination which brought fertility and connection to all living things. Yet a rift had grown between these two forces. Setting out to prove the importance of her work, Parvati withdrew from the world and sent the Earth into darkness. Antara Raychaudhuri and Iseult Gillespie tell the story of the goddess Annapurna. [Directed by Roxane Campoy, narrated by Susan Zimmerman, music by Stéphane Gassot].
Epic Engineering: Building the Brooklyn Bridge | Alex Gendler
February 11, 2020 16:12 - 4 minutes - 41.9 MB VideoIn the mid-19th century, suspension bridges were collapsing all across Europe. Their industrial cables frayed and snapped under the weight of their decks. So when German American engineer John Roebling proposed building the largest and most expensive suspension bridge ever conceived, New York City officials were understandably skeptical. Alex Gendler details the building of the iconic Brooklyn Bridge. [Directed by Jeremiah Dickey, narrated by Addison Anderson].