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Space TimeSpace Time explores the outer reaches of space, the craziness of astrophysics, the possibilities of sci-fi, and anything else you can think of beyond Planet Earth.
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- Now Playing22minCan AI Help Us Talk to Whales?
- Now Playing11minThe Hazy Evolution of Cannabis
- Now Playing11minMeasuring the Universe With a 14-Billion Light-Year Ruler
- Now Playing16minHow Eclipses Revealed Our Solar System
- Now Playing10minA Giant Monster With a Giant Problem
- Now Playing10minWhat Will Earth Be Like 300 Million Years From Now?
- Now Playing16minWhat If Gravity is Not A Fundamental Force?
- Now Playing15minDoes Space Emerge From A Holographic Boundary?
- Now Playing8minIs the Southern Accent Disappearing?
- Now Playing15minThis Winter Trend Is Overpowering Global Warming
It's Okay to Be Smart
- Now Playing5minYour #ScienceWoman Heroes
- Now Playing16minTrying a Thanksgiving Feast Made from Bugs
- Now Playing4minCuttlefish: Tentacles In Disguise
- Now Playing8minIs Ultron Inevitable?
- Now Playing4minWhose Air do we Share?
- Now Playing5minAre You Smarter Than A Slime Mold?
- Now Playing4minHow The Elements Got Their Names
- Now Playing7minWhy Do You Love Your Family?
- Now Playing5minHow Science Defines A Year
- Now Playing6minWhy Salt & Pepper?
- Now Playing6minHow Atom Bombs Can Uncover Forged Art
- Now Playing10minIs There Life on Earth?
- Now Playing3minBuilding Curiosity
- Now Playing6minWhy Don't Other Animals Wear Glasses?
- Now Playing7minInside the World of Fire Ants!
- Now Playing8min20 MILLION Year-Old Spider!! Unweaving Spider Silk
- Now Playing7minEngines of Destruction: How Hurricanes Work
- Now Playing7minThe Strange Science of the Placebo Effect
- Now Playing6minInside an ICE CAVE! - Nature's Most Beautiful Blue
- Now Playing5minThe Cosmic Origins of Earth's Water
Origin of Everything
- Now Playing9minWhat If Islam Conquered Europe?
- Now Playing11minWhat is Racial Passing?
- Now Playing10minWhy Is There a Minimum Wage?
- Now Playing5minWhat Was Jesus' Real Name?
- Now Playing7minIs Poisoned Halloween Candy a Myth?
- Now Playing10minHow Did Makeup Ads Go From Style to Science?
- Now Playing9minWhy Do We Drink Milk in School?
- Now Playing10minHow WWII Created Godzilla & Mecha Robots
- Now Playing11minWhy Do So Many Religions Have Headwear?
- Now Playing7minHow Your Rubber Ducky Explains Colonialism
- Now Playing7minThe True Origin of Killer Clowns
- Now Playing12minWhy Do Schools Teach Sex Education?
- Now Playing9minIs the Rosa Parks Story True?
- Now Playing7minIs Poisoned Halloween Candy a Myth?
- Now Playing8minWhy Do Women Shave Their Legs?
- Now Playing8minWhy Do Kids Have Their Own Bedrooms?
- Now Playing7minHow Columbus Invented Cannibals
- Now Playing8minWhy is there a North and South Korea?
- Now Playing10minWhy was Pink for Boys and Blue for Girls?
- Now Playing7minHow Your Rubber Ducky Explains Colonialism
Two Cents
- Now Playing8minAre "Free" Video Games Really Free?
- Now Playing6minWhat is The Cost of Pet Ownership?
- Now Playing6minShould I Buy Bitcoin?
- Now Playing6minHow Do You Actually Buy A House?
- Now Playing8min5 Ways People Are Dumb About Money
- Now Playing5minBudgeting Basics
- Now Playing7minIs the Stock Market Just a Big Casino?
- Now Playing4minWhat is the DOW?
- Now Playing6minThe Ugly Truth About Airline Miles
- Now Playing6minShould You Break Up With Your Big Bank?
- Now Playing6minDoes Wealth Make You Meaner?
- Now Playing6minWhat the Heck Are Mutual Funds?
- Now Playing5minHow Do Your Tax Dollars Get Spent?
- Now Playing5minHow are credit scores calculated?
- Now Playing8min5 Strange Investor Crazes!
- Now Playing6minMoving Without Spending a Fortune
- Now Playing6minWomen Financial Superpowers
- Now Playing5minHow Cars Can Keep You Poor
- Now Playing6minHacking Your Brain to Get Out Of Debt
- Now Playing7minCan You Really Retire in Your 30s?
Monstrum
- Now Playing6minThe Origin of Medusa
- Now Playing10minWill-o'-the-Wisp: Monstrous Flame or Scientific Phenomenon?
- Now Playing11minBasilisk or Cockatrice? The Mysterious King of Serpents
- Now Playing10minJorōgumo: The Deadly Spider Woman from Yokai Lore
- Now Playing11minThe Original Urban Legend: Spring-Heeled Jack
- Now Playing6minRethinking Frankenstein's Monster
- Now Playing12minWas Púca the Nightmare Bunny That Inspired Donnie Darko?
- Now Playing8minCreepy Clowns: The Horror Behind the Laughter
- Now Playing14minThe Evolution of Creepy Dolls
- Now Playing8minNuckelavee: Scotland's Skinless Evil Monstrosity
- Now Playing11minThe Fatal Song of the Sirens
- Now Playing10minIs Yuki-onna the Most Terrifying Snow Monster?
- Now Playing17minModern Zombies: The Rebirth of the Undead
- Now Playing13minLeprechaun: From Gold-Loving Cobbler to Cultural Icon
- Now Playing12minThe Origins of 'Big Bug' Science Fiction
- Now Playing11minCan All Monsters Be Traced Back to Tiamat?
- Now Playing10minHow Bloody Mary Turns Fear Into Fun
- Now Playing10minPontianak: The Vampiric Ghost of Southeast Asia
- Now Playing10minThe Enchanting Fairies of Celtic Lore
- Now Playing13minThe SCP Foundation: Declassified
Eons
- Now Playing13minAn Illustrated History of Dinosaurs
- Now Playing11minDid These Giant Sloths Poop Themselves to Death?
- Now Playing9minOur Ancient Relative That Said 'No Thanks' To Life On Land
- Now Playing12minWhen Birds Had Teeth
- Now Playing7minThe Trouble With Trilobites
- Now Playing10minHow Chilis Got Spicy (and Why We Love the Burn)
- Now Playing10minWhen Giant Hypercarnivores Prowled Africa
- Now Playing10minHow Blood Evolved (Many Times)
- Now Playing8minWhat Was The Earliest Surgery?
- Now Playing8minHow the Walrus Got Its Tusks
- Now Playing10minLife, Sex & Death Among the Dire Wolves
- Now Playing5minThat Time Oxygen Almost Killed Everything
- Now Playing11minFrom the Cambrian Explosion to the Great Dying
- Now Playing9minHow Our Deadliest Parasite Turned To The Dark Side
- Now Playing11minWhen Giant Lemurs Ruled Madagascar
- Now Playing12minWhen Sharks Swam the Great Plains
- Now Playing8minThe Extinction That Never Happened
- Now Playing5minThat Time Oxygen Almost Killed Everything
- Now Playing7minThe Genes We Lost Along the Way
- Now Playing6minThe Story of Saberteeth
Hot Mess
- Now Playing6minWhat If We Burned All The World's Fossil Fuels?
- Now Playing6minHow To Suck Carbon Dioxide Out of the Sky
- Now Playing10minFeeling Guilty About Climate Change feat. Hank Green
- Now Playing7minWhat's The Best Car For The Climate?
- Now Playing6minWhat Indigenous Communities Teach Us About Climate Change
- Now Playing10minAre You Scared Enough? feat. David Wallace-Wells
- Now Playing5minWhy Climate Change is Unjust
- Now Playing10minFeeling Guilty About Climate Change feat. Hank Green
- Now Playing6minWill Big Oil Have To Pay Up Like Big Tobacco?
- Now Playing6minCan We Get Solar Power To Everyone Who Wants It?
- Now Playing6minWhat If We Burned All The World's Fossil Fuels?
- Now Playing5minWho Should Pay To Fix Climate Change?
- Now Playing5minClimate change will push millions out. Where will they go?
- Now Playing5minWhy Don't We Hear About the Ozone Hole Anymore?
- Now Playing7minHow To Make Clothes Less Terrible for the Planet
- Now Playing6minHow To Suck Carbon Dioxide Out of the Sky
- Now Playing5minWho Should Pay To Fix Climate Change?
- Now Playing6minCoral Reefs Are Dying. But They Don't Have To.
- Now Playing12minOur Food System is Rigged feat. Sheril Kirshenbaum
- Now Playing13minThe Rise of Climate Fiction feat. Lindsay Ellis & Amy Brady
Space Time
- Now Playing11minThe Geometry of Causality
- Now Playing18minAre Many Worlds & Pilot Wave The Same Theory?
- Now Playing11minAre You a Boltzmann Brain?
- Now Playing9minThe Treasures of Trappist-1
- Now Playing14minBlack Hole Harmonics
- Now Playing10minLife on Europa?
- Now Playing10minLife on Europa?
- Now Playing12minThe Black Hole Information Paradox
- Now Playing9minGeneral Relativity & Curved Spacetime Explained!
- Now Playing8minDoes Dark Matter BREAK Physics?
- Now Playing6minS2: The Future of Gravitational Waves
- Now Playing10minThe Vacuum Catastrophe
- Now Playing9minBlack Hole Swarms
- Now Playing10minThe One-Electron Universe
- Now Playing13minThe Real Star Wars
- Now Playing8minIs The Alcubierre Warp Drive Possible?
- Now Playing10minIs Quantum Tunneling Faster than Light?
- Now Playing11minIs Gravity An Illusion?
- Now Playing11minWhy Quasars are so Awesome
- Now Playing12minWhat Survives Inside A Black Hole?
Beat Making Lab
- Now Playing3minBeat Making Challenge #1: Accordion Trap
- Now Playing5minBehind the Beat: Portobelo
- Now Playing2minWhat's In the Backpack?
- Now Playing3minPanama: Meet the Kids Behind the Beats
- Now Playing3minGet Your Drums Right
- Now Playing2minField Trip: Prison Beats
- Now Playing2minMashup: National Anthems
- Now Playing10minHeartbeats of Fiji
- Now Playing4minCho Cho Cho (Music Video) filmed in Goma, Congo
- Now Playing2minWalshy Fire [of Major Lazer] Wants Your Riddims
- Now Playing3minEpisode 1: Goma, Congo
- Now Playing4minDiablos (music video)
- Now Playing3minExclusive Zenga (Music Video) by Flamme Kapaya
- Now Playing3minBeat Making Challenge #2: Kora Riddim
- Now Playing3minFemale Hip Hop Crew Makes Beats in Senegal
- Now Playing3minProf. Angel Sound Prison Beats Interview
- Now Playing3min#FijiChallenge w/ Walshy Fire of Major Lazer
- Now Playing4minPortobelo (music video)
- Now Playing3minBehind The Beat: First Beat Making Lab (2011)
- Now Playing3minSampling w/ Flip Flops and Ski Beatz
Infinite Series
- Now Playing16minHow to Break Cryptography
- Now Playing14minBuilding an Infinite Bridge
- Now Playing9minAssociahedra: The Shapes of Multiplication
- Now Playing11minThe Geometry of SET
- Now Playing11minDefining Infinity
- Now Playing8minTelling Time on a Torus
- Now Playing14minMaking Probability Mathematical
- Now Playing11minWhat are Numbers Made of?
- Now Playing12minProving Pick's Theorem
- Now Playing10minInstant Insanity Puzzle
- Now Playing13minNetwork Mathematics and Rival Factions | Infinite Series
- Now Playing17minSplitting Rent with Triangles
- Now Playing15minDissecting Hypercubes with Pascal's Triangle
- Now Playing9minCan You Solve the Poison Wine Challenge?
- Now Playing8minAre Prime Numbers Made Up?
- Now Playing10minWhat Does It Mean to Be a Number? (The Peano Axioms)
- Now Playing11minDefining Infinity
- Now Playing9minProving Brouwer's Fixed Point Theorem
- Now Playing8minHow to Divide by "Zero"
- Now Playing17minHacking at Quantum Speed with Shor's Algorithm
Idea Channel
- Now Playing6minAre Virtual Video Game Economies Becoming Real?
- Now Playing6minIs Futurama the Best Argument Against Transhumanism?
- Now Playing3minSuper Mario Brothers as Surrealist Art?
- Now Playing9minDoes Math Really Exist?
- Now Playing6minIs Doctor Who a Religion?
- Now Playing3minAre Holograms Nostalgia or a New Form of Art?
- Now Playing3minAre Holograms Nostalgia or a New Form of Art?
- Now Playing8minIs Sad Music Actually Sad?
- Now Playing8minIs Developing Artificial Intelligence (AI) Ethical?
- Now Playing5minAre You a Hipster?
- Now Playing3minIs the Web Browser Replacing the Art Gallery?
- Now Playing9minIs Community a Postmodern Masterpiece?
- Now Playing8minIs Piracy Helping Game of Thrones?
- Now Playing4minIs Twitter the Newest Form of Literature?
- Now Playing3minWhat Makes a Pop Star Authentic?
- Now Playing4minThe Bronies Phenomenon
- Now Playing6minWhat do MP3s and Magic Spells Have in Common?
- Now Playing4minHas the Microsoft Kinect revolutionized art?
- Now Playing5minIs Facebook Changing Our Identity?
- Now Playing7minCan Dungeons & Dragons Make You Confident & Successful?