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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 Playing21minInterstellar Expansion WITHOUT Faster Than Light Travel
- Now Playing12minIs This North American Sea Serpent Real or a Hoax?
- Now Playing13minComputers Can Predict When You're Going to Die... Here's How
- Now Playing10minHow Do You Preserve a Thousands Year Old Musical Style?
- Now Playing14minWhy This Mexican Genre Is Growing As Fast As K-Pop
- Now Playing17minWhat Happens If You Jump Into A Black Hole?
- Now Playing11minNo Single Cradle of Humankind
- Now Playing14minOur Understanding of Floods is ALL Wrong
- Now Playing10minWhy Do We Use Cringey Words for Loved Ones?
- Now Playing22minCan AI Help Us Talk to Whales?
It's Okay to Be Smart
- Now Playing11minWhy Are So Many People Allergic To Food?
- Now Playing7minWe Got Ants In Our Plants!
- Now Playing4minHow Many Stars Are There?
- Now Playing10minThe Impossible Hugeness of Deep Time
- Now Playing7minYour Salad Is Trying To Kill You
- Now Playing7minWhy Vaccines Work
- Now Playing8minHow Big is the Solar System?
- Now Playing5minMuch A-Do About Hair
- Now Playing4minOrchid Mantis: Looks That Kill
- Now Playing7minWhy Do You Love Your Family?
- Now Playing7minEngines of Destruction: How Hurricanes Work
- Now Playing5minSolving the Puzzle of Plate Tectonics
- Now Playing5minCould Planet Minecraft Actually Exist?
- Now Playing6minShould You Be Worried About Zika?
- Now Playing6minWhy Are There As Many Males As Females?
- Now Playing4minDogs and Humans: A 30,000-Year Friendship (ft. MinuteEarth)
- Now Playing5minIs Inheritance Really All In Our Genes?
- Now Playing5minWhy Music Moves Us
- Now Playing7minIs Height All in Our Genes?
- Now Playing2minEvolution Is Dumb - 12 Days of Evolution #6
Origin of Everything
- Now Playing7minWhy Does Santa Wear Red?
- Now Playing10minWhat is Ethnicity?
- Now Playing9minWhy Do We Drink Milk in School?
- Now Playing8minWhy Do We Get Grades in School?
- Now Playing12minWhy Do We Have Housing Projects?
- Now Playing8minWhy Do We Eat Artificial Flavors?
- Now Playing12minSix Historically True Facts about Money
- Now Playing8minWhy Do People Have Pets?
- Now Playing6minWhy Do We Have Middle Names?
- Now Playing11minWhat is Racial Passing?
- Now Playing7minWhy Do We Eat Popcorn at The Movies?
- Now Playing10minWhy Do We Have Hobbies?
- Now Playing11minWhy Do So Many Religions Have Headwear?
- Now Playing10minThe 2nd Amendment Explained
- Now Playing8minWhere does the Nuclear Family Come From?
- Now Playing9minWhy Do All Malls Look the Same?
- Now Playing9minThe Origin of Gender
- Now Playing8minWhy Did Europeans Enslave Africans?
- Now Playing7minThe True Origin of Killer Clowns
- Now Playing9minThe Origin of Gender
Two Cents
- Now Playing7minMoney, A Global Game of Trust
- Now Playing7minWhich College Majors Give the Most Bang for Your Buck?
- Now Playing6minFighting the Wedding Industrial Complex
- Now Playing6minIs My Identity Safe From Hackers?
- Now Playing7minIs Your Side Hustle Hustling You?
- Now Playing7minFighting the Financial Pitfalls of the Supermarket
- Now Playing7minHow Retailers Stalk You Online
- Now Playing5minInsta-Everything
- Now Playing5minDo Kids Need to Learn About Money?
- Now Playing6minI'm Young & Healthy, Can I Skip Health Insurance?
- Now Playing9minHow Smart Entrepreneurs Think About PRICES!
- Now Playing7minWhy It's More Expensive To Be Poor
- Now Playing6minTop 5 Biggest Financial Scams
- Now Playing7minShould I Invest In Cannabis Stocks?
- Now Playing6minHow to Ask for a Raise
- Now Playing7minWhat's The Real Cost of Dying?
- Now Playing6minWhat is The Cost of Pet Ownership?
- Now Playing6minShould I Buy Bitcoin?
- Now Playing8minAre "Free" Video Games Really Free?
- Now Playing8min5 Ways People Are Dumb About Money
Monstrum
- Now Playing6minThe Origin of Medusa
- Now Playing10minWill-o'-the-Wisp: Monstrous Flame or Scientific Phenomenon?
- Now Playing10minJorōgumo: The Deadly Spider Woman from Yokai Lore
- Now Playing11minBasilisk or Cockatrice? The Mysterious King of Serpents
- 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 Playing17minModern Zombies: The Rebirth of the Undead
- Now Playing10minIs Yuki-onna the Most Terrifying Snow Monster?
- 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 Playing10minLife, Sex & Death Among the Dire Wolves
- Now Playing11minFrom the Cambrian Explosion to the Great Dying
- Now Playing5minThat Time Oxygen Almost Killed Everything
- Now Playing9minOur Ancient Relative That Said 'No Thanks' To Life On Land
- Now Playing11minDid These Giant Sloths Poop Themselves to Death?
- Now Playing13minAn Illustrated History of Dinosaurs
- Now Playing8minHow the Walrus Got Its Tusks
- Now Playing10minWhen Giant Hypercarnivores Prowled Africa
- Now Playing10minHow Chilis Got Spicy (and Why We Love the Burn)
- Now Playing8minWhat Was The Earliest Surgery?
- Now Playing10minHow Blood Evolved (Many Times)
- Now Playing12minWhen Birds Had Teeth
- Now Playing7minThe Trouble With Trilobites
- Now Playing10minThe Hidden Genes That Make Us Human
- Now Playing12minYour Place in the Primate Family Tree
- Now Playing9minThe Oddest Couple in the Fossil Record
- Now Playing13minDid Raptorex Really Exist?
- Now Playing12minWhen Sharks Swam the Great Plains
- Now Playing11minWhen Giant Lemurs Ruled Madagascar
- Now Playing9minHow Our Deadliest Parasite Turned To The Dark Side
Hot Mess
- Now Playing5minWhat the Cutest Animal Can Teach Us About Saving Ourselves
- Now Playing5minBeef Is Bad For The Climate. Can We Make It Better?
- Now Playing5minWe've Ignored Climate Change For More Than a Century
- Now Playing5minWe've Ignored Climate Change For More Than a Century
- Now Playing5minWhat the Cutest Animal Can Teach Us About Saving Ourselves
- Now Playing4minWhy Are Hurricanes Getting Stronger?
- Now Playing5minWhat's actually the worst greenhouse gas?
- Now Playing5minWhat Can You Actually Do About Climate Change?
- Now Playing5minHow A Sticker Kept 3 Billion Tons of CO2 Out of The Air
- Now Playing6minWhat if Carbon Emissions Stopped Tomorrow?
- Now Playing11minClimate Change is Too Big for our Brains feat. Mike Rugnetta
- Now Playing5minBeef Is Bad For The Climate. Can We Make It Better?
- Now Playing6minWhat if Carbon Emissions Stopped Tomorrow?
- Now Playing5minClimate change will push millions out. Where will they go?
- Now Playing6minWhat Indigenous Communities Teach Us About Climate Change
- Now Playing7minHow To Make Clothes Less Terrible for the Planet
- Now Playing8minHow One Conservative Texas Town Went 100% Renewable
- Now Playing9minHow to Talk About Climate Change
- Now Playing5minHow A Sticker Kept 3 Billion Tons of CO2 Out of The Air
- Now Playing6minWould Your Neighbors Save You From a Flooding Home?
Space Time
- Now Playing21minInterstellar Expansion WITHOUT Faster Than Light Travel
- Now Playing10minSelf-Replicating Robots and Galactic Domination
- Now Playing10minHave Gravitational Waves Been Discovered?!?
- Now Playing12minThe Many Worlds of the Quantum Multiverse
- Now Playing13minWhite Holes
- Now Playing10minStrange Stars
- Now Playing13minDo Black Holes Create New Universes?
- Now Playing10minTime Crystals!
- Now Playing9minWhen Time Breaks Down
- Now Playing12minThe Real Science of the EHT Black Hole
- Now Playing16minWhat Happens Inside a Proton?
- Now Playing7minCan A Starfox Barrel Roll Work in Space?
- Now Playing10minThe Origin of Matter and Time
- Now Playing10minTelescopes on the Moon
- Now Playing11minThe Fate of the First Stars
- Now Playing14minAre Virtual Particles A New Layer of Reality?
- Now Playing15minIs Pluto a Planet?
- Now Playing10minThe Eye of Sauron Reveals a Forming Solar System!
- Now Playing17minDid AI Prove Our Proton Model Wrong?
- Now Playing13minComputing a Universe Simulation
Beat Making Lab
- Now Playing3minGet Your Drums Right
- Now Playing2minField Trip: Prison Beats
- Now Playing2minMashup: National Anthems
- Now Playing10minHeartbeats of Fiji
- 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 Playing2minWalshy Fire [of Major Lazer] Wants Your Riddims
- Now Playing4minCho Cho Cho (Music Video) filmed in Goma, Congo
- Now Playing3minProf. Angel Sound Prison Beats Interview
- Now Playing3min#FijiChallenge w/ Walshy Fire of Major Lazer
- 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 Playing2minHealth Worker Beat
- Now Playing4minTrapped In Paradise
- Now Playing4minPortobelo (music video)
Infinite Series
- Now Playing8minTelling Time on a Torus
- Now Playing11minDefining Infinity
- Now Playing15minDissecting Hypercubes with Pascal's Triangle
- Now Playing17minSplitting Rent with Triangles
- Now Playing10minInstant Insanity Puzzle
- Now Playing13minNetwork Mathematics and Rival Factions | Infinite Series
- Now Playing12minProving Pick's Theorem
- Now Playing14minMaking Probability Mathematical
- Now Playing11minWhat are Numbers Made of?
- Now Playing11minThe Geometry of SET
- Now Playing9minAssociahedra: The Shapes of Multiplication
- Now Playing14minBuilding an Infinite Bridge
- Now Playing16minHow to Break Cryptography
- Now Playing8minThe Multiplication Multiverse
- Now Playing8minTelling Time on a Torus
- Now Playing14minCan We Combine pi & e to Make a Rational Number?
- Now Playing11minWhat was Fermat's "Marvelous" Proof?
- Now Playing13minWhat is a Random Walk?
- Now Playing14minHow Big are All Infinities Combined? (Cantor's Paradox)
- Now Playing14minKill the Mathematical Hydra
Idea Channel
- Now Playing5minNicolas Cage, Taoism, and YOLO
- Now Playing8minWhy Do We Love Zombies?
- Now Playing4minIs Instagram Revolutionizing Photography?
- Now Playing5minIs Dubstep the New Musical Avant-Garde?
- Now Playing5minDo We Want the World to End?
- Now Playing5minIs Dubstep the New Musical Avant-Garde?
- Now Playing5minIs Homestuck the Ulysses of the Internet?
- Now Playing5minWill Space Travel Save Us All?
- Now Playing8minIs Buying Call of Duty a Moral Choice?
- Now Playing5minAre Memes and Internet Culture Creating a Singularity?
- Now Playing6minAre Virtual Video Game Economies Becoming Real?
- Now Playing4minFrom Sherlock Holmes to 50 Shades of Grey
- Now Playing4minHas the Microsoft Kinect revolutionized art?
- Now Playing5minIs Facebook Changing Our Identity?
- Now Playing6minWhat do MP3s and Magic Spells Have in Common?
- Now Playing7minCan Dungeons & Dragons Make You Confident & Successful?
- Now Playing6minAre MP3s & Vinyl Better than Live Music?
- Now Playing4minThe Bronies Phenomenon
- Now Playing3minWhat Makes a Pop Star Authentic?
- Now Playing8minIs Piracy Helping Game of Thrones?