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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 Playing4minWhy I'm Scared of Spiders
- Now Playing6minThe Surprising Reason We Eat Spicy Food
- Now Playing9minCan You Bend Light Like This?
- Now Playing4minThis is a SUPER BLOOD MOON! Lunar Eclipses Explained
- Now Playing7minThe Real "Doctor Frankenstein"
- Now Playing4minSpace Sounds
- Now Playing3minWhy I PBS
- Now Playing6minCan Coral Reefs Survive Climate Change? #OursToLose
- Now Playing6minWhy Are Cicadas So Good At Math?
- Now Playing10minMoney Is A Technological Fiction
- Now Playing4minWhat is Deja Vu?!
- Now Playing5minClaude Monet Was Half Honeybee
- Now Playing7minCould Bigfoot REALLY Exist?
- Now Playing7minEl Niño and Why We Can't Predict the Weather
- Now Playing5minЩΉӨ BЦIƬ ƬΉΣ PYЯΛMIDƧ - Who Built The Pyramids
- Now Playing6minWhat's The Hottest Hot and Coldest Cold?
- Now Playing7minMusical Tesla Coils in Slow Motion! Featuring Physics Girl
- Now Playing8minAsteroids, Meteors, and Comets... OH MY!!!
- Now Playing6minWhy Did We Blow On Nintendo Games?
- Now Playing9minWhat If You Never Forgot Anything?
Origin of Everything
- Now Playing10min6 Weird Facts About the History of Birth Control
- Now Playing10minWhy Do We Have Hobbies?
- Now Playing7minWhy Are There So Few Women in Computer Science?
- Now Playing8minWhy Do We Wash Our Hands After Going to the Bathroom?
- Now Playing6minWhy Do We Have Middle Names?
- Now Playing11minWhy Does the Government Pay for Art?
- Now Playing10minWhy Does the Government Need to Know My Race?
- Now Playing9minDoes the Rorschach Inkblot Test Work?
- Now Playing10minHow Did Martin Luther King Jr. Get a Holiday?
- Now Playing9minCan Tattoos Be Taboo?
- Now Playing11minModern Warfare and Alien Invasions
- Now Playing9minCan Tattoos Be Taboo?
- Now Playing7minWhy are 18 Year Olds Considered Adults?
- Now Playing8minWhere Does the #Hashtag Symbol Come From?
- Now Playing8minWhy Do Kids Have Their Own Bedrooms?
- Now Playing9minWhat If There Were No Taxes?
- Now Playing10minWould You Have Joined the American Revolution?
- Now Playing6minWhy it Was Illegal to be Ugly?
- Now Playing11minWhy Are We Obsessed with Cults?
- Now Playing11minWhy Do We Have Private Prisons?
Two Cents
- Now Playing7minShould I Invest In Cannabis Stocks?
- Now Playing7minWhat's The Real Cost of Dying?
- Now Playing6minHow to Ask for a Raise
- Now Playing7minWhy It's More Expensive To Be Poor
- Now Playing6minTop 5 Biggest Financial Scams
- Now Playing9minHow Smart Entrepreneurs Think About PRICES!
- Now Playing6minI'm Young & Healthy, Can I Skip Health Insurance?
- Now Playing7minMoney, A Global Game of Trust
- Now Playing6minIs My Identity Safe From Hackers?
- Now Playing6minFighting the Wedding Industrial Complex
- Now Playing7minWhich College Majors Give the Most Bang for Your Buck?
- Now Playing7minIs Your Side Hustle Hustling You?
- Now Playing5minDo Kids Need to Learn About Money?
- Now Playing5minInsta-Everything
- Now Playing7minHow Retailers Stalk You Online
- Now Playing7minFighting the Financial Pitfalls of the Supermarket
- Now Playing6minHacking Your Brain to Get Out Of Debt
- Now Playing6minWhat Are The Most Lucrative Trades?
- Now Playing7minCan You Really Retire in Your 30s?
- Now Playing5minHow Cars Can Keep You Poor
Monstrum
- Now Playing11minThe Fatal Song of the Sirens
- Now Playing14minThe Evolution of Creepy Dolls
- Now Playing8minNuckelavee: Scotland's Skinless Evil Monstrosity
- Now Playing12minWas Púca the Nightmare Bunny That Inspired Donnie Darko?
- Now Playing8minCreepy Clowns: The Horror Behind the Laughter
- Now Playing6minRethinking Frankenstein's Monster
- Now Playing11minThe Original Urban Legend: Spring-Heeled Jack
- Now Playing11minBasilisk or Cockatrice? The Mysterious King of Serpents
- Now Playing10minJorōgumo: The Deadly Spider Woman from Yokai Lore
- Now Playing10minWill-o'-the-Wisp: Monstrous Flame or Scientific Phenomenon?
- Now Playing6minThe Origin of Medusa
- Now Playing12minIs This North American Sea Serpent Real or a Hoax?
- Now Playing10minYara-ma-yha-who: Australia's Regurgitating, Blood-Sucking Mo
- Now Playing13minThe SCP Foundation: Declassified
- Now Playing15minBaba Yaga: The Ancient Origins of the Famous 'Witch'
- Now Playing8minWerehyena: The Terrifying Shapeshifters of African Lore
- Now Playing13minWhat Happened During Our Scary Slumber Party
- Now Playing12minDeath Worms: Fact or Fiction?
- Now Playing10minThe Enchanting Fairies of Celtic Lore
- Now Playing10minPontianak: The Vampiric Ghost of Southeast Asia
Eons
- Now Playing6minWhen The Earth Was Purple
- Now Playing11minThe Mystery Behind the Biggest Bears of All Time
- Now Playing5minThe Biggest Thing That Ever Flew
- Now Playing11minThe Triassic Reptile With "Two Faces"
- Now Playing6minWhat Colors Were Dinosaurs?
- Now Playing11minThe Age of Reptiles in Three Acts
- Now Playing13minWere These Monsters Inspired by Fossils?
- Now Playing4minThe Tully Monster & Other Problematic Creatures
- Now Playing6minThe Search for the Earliest Life
- Now Playing9minDid a Tsunami Swallow Part of Europe?
- Now Playing5minWhen Did the First Flower Bloom?
- Now Playing12minYour Place in the Primate Family Tree
- Now Playing11minThe Hazy Evolution of Cannabis
- Now Playing10minHow Plants Caused the First Mass Extinction
- Now Playing8minWhen Trees Took Over the World
- Now Playing7minThe Creature That Stumped Darwin
- Now Playing9minHow Plankton Created A Bizarre Giant of the Seas
- Now Playing10minHow We Figured Out Fermentation
- Now Playing9minThe Rise and Fall of the Bone-Crushing Dogs
- Now Playing10minHow Pollination Got Going Twice
Hot Mess
- 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 Playing7minHow To Make Clothes Less Terrible for the Planet
- Now Playing4minCould Space Mirrors Cool The Globe?
- Now Playing6minCan We Get Solar Power To Everyone Who Wants It?
- Now Playing5minWhat Can You Actually Do About Climate Change?
- Now Playing5minCan Farms and Forests Coexist?
- Now Playing10minThe Link Between Extreme Weather and Climate Change
- Now Playing5minWhy Don't We Hear About the Ozone Hole Anymore?
- Now Playing6minWould Your Neighbors Save You From a Flooding Home?
- Now Playing5minWhy We Confuse Weather and Climate
- Now Playing3minCould climate change make you allergic to meat?
- Now Playing4minCould Space Mirrors Cool The Globe?
- Now Playing5minWhat the Cutest Animal Can Teach Us About Saving Ourselves
- Now Playing4minWhy Are Hurricanes Getting Stronger?
- Now Playing5minWe've Ignored Climate Change For More Than a Century
- Now Playing5minHow A Sticker Kept 3 Billion Tons of CO2 Out of The Air
- Now Playing5minWhat Can You Actually Do About Climate Change?
- Now Playing5minWhat's actually the worst greenhouse gas?
Space Time
- Now Playing15minWhy Is 1/137 One of the Greatest Unsolved Problems
- Now Playing11minS2: How the Quantum Eraser Rewrites the Past
- Now Playing13minHorizon Radiation
- Now Playing13minDid Dark Energy Just Disappear?
- Now Playing9minThe Real Meaning of E=mc²
- Now Playing9minWhy the Big Bang Definitely Happened
- Now Playing9minThe Great American Eclipse
- Now Playing15minThe Holographic Universe Explained
- Now Playing15minIs Interstellar Travel Impossible?
- Now Playing13minQuantum Theory's Most Incredible Prediction
- Now Playing8minWhat Happens At The Edge Of The Universe?
- Now Playing15minDid Life on Earth Come from Space?
- Now Playing12minThe Missing Mass Mystery
- Now Playing11minWill A New Neutrino Change The Standard Model?
- Now Playing9min5 Ways to Stop a Killer Asteroid
- Now Playing11minS2: The Quantum Experiment that Broke Reality
- Now Playing14minWhy String Theory is Right
- Now Playing17minHow Does the Earth Really Move Through The Galaxy?
- Now Playing16minWhat If The Speed of Light is NOT CONSTANT?
- Now Playing16minWhat If Gravity is Not A Fundamental Force?
Beat Making Lab
- Now Playing3min#FijiChallenge w/ Walshy Fire of Major Lazer
- Now Playing3minProf. Angel Sound Prison Beats Interview
- Now Playing3minBeat Making Challenge #2: Kora Riddim
- Now Playing3minExclusive Zenga (Music Video) by Flamme Kapaya
- Now Playing3minFemale Hip Hop Crew Makes Beats in Senegal
- Now Playing3minEpisode 1: Goma, Congo
- Now Playing4minDiablos (music video)
- Now Playing4minTrapped In Paradise
- Now Playing2minHealth Worker Beat
- Now Playing3minSampling w/ Flip Flops and Ski Beatz
- Now Playing4minPortobelo (music video)
- Now Playing3minBehind The Beat: First Beat Making Lab (2011)
- Now Playing2minMashup: National Anthems
- Now Playing10minHeartbeats of Fiji
- Now Playing3minGet Your Drums Right
- Now Playing2minField Trip: Prison Beats
- Now Playing3minPanama: Meet the Kids Behind the Beats
- Now Playing3minBeat Making Challenge #1: Accordion Trap
- Now Playing2minWhat's In the Backpack?
- Now Playing5minBehind the Beat: Portobelo
Infinite Series
- 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
- Now Playing17minHacking at Quantum Speed with Shor's Algorithm
- Now Playing11minDefining Infinity
- Now Playing9minProving Brouwer's Fixed Point Theorem
- Now Playing8minHow to Divide by "Zero"
- Now Playing10minWhat Does It Mean to Be a Number? (The Peano Axioms)
- Now Playing8minAre Prime Numbers Made Up?
- Now Playing9minCan You Solve the Poison Wine Challenge?
- Now Playing11minWhat was Fermat's "Marvelous" Proof?
- Now Playing12minWhen Pi is Not 3.14
- Now Playing13minThe Mathematics of Quantum Computers
- Now Playing9minThis Video was Not Encrypted with RSA
- Now Playing8minTelling Time on a Torus
- Now Playing11minDefining Infinity
Idea Channel
- Now Playing5minAre Memes and Internet Culture Creating a Singularity?
- Now Playing4minFrom Sherlock Holmes to 50 Shades of Grey
- Now Playing6minAre Virtual Video Game Economies Becoming Real?
- Now Playing4minIs Instagram Revolutionizing Photography?
- Now Playing5minIs Dubstep the New Musical Avant-Garde?
- Now Playing8minWhy Do We Love Zombies?
- Now Playing5minNicolas Cage, Taoism, and YOLO
- Now Playing8minIs Buying Call of Duty a Moral Choice?
- Now Playing5minWill Space Travel Save Us All?
- Now Playing5minIs Homestuck the Ulysses of the Internet?
- Now Playing5minDo We Want the World to End?
- Now Playing5minIs Dubstep the New Musical Avant-Garde?
- Now Playing5minAre You a Hipster?
- Now Playing3minIs the Web Browser Replacing the Art Gallery?
- Now Playing8minIs Developing Artificial Intelligence (AI) Ethical?
- Now Playing3minSuper Mario Brothers as Surrealist Art?
- Now Playing6minIs Futurama the Best Argument Against Transhumanism?
- Now Playing6minAre Virtual Video Game Economies Becoming Real?
- Now Playing8minIs Sad Music Actually Sad?
- Now Playing3minAre Holograms Nostalgia or a New Form of Art?