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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 Playing14minOur Understanding of Floods is ALL Wrong
- Now Playing22minCan AI Help Us Talk to Whales?
- Now Playing16minWhy Is The World Rushing Back To The Moon?
- 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?
It's Okay to Be Smart
- Now Playing6minRelationship Advice from the Animal Kingdom
- Now Playing5minWhy Do We Itch?
- Now Playing5minSolving the Puzzle of Plate Tectonics
- Now Playing5minDe-Extinction: A Mammoth Undertaking
- Now Playing8minWhy Do We Have to Sleep
- Now Playing4minThe Surprising Places We Waste Energy
- Now Playing6minWhy Are Cicadas So Good At Math?
- Now Playing7minCould You Be Immune To Everything?
- Now Playing7minInside the World of Fire Ants!
- Now Playing8minNobel Prizes: Past, Present... and Future?
- Now Playing8minThe Deadliest Flu Season in History?
- Now Playing6minHow The Pyramids Were Built (Pyramid Science Part 2)
- Now Playing6minThe Oldest Living Things In The World
- Now Playing9minSo You Want to go to Mars?
- Now Playing6minThe Surprising Origin of Thanksgiving Foods
- Now Playing10minExoplanets: Are There Other Earths?
- Now Playing6minThe Delicious Science of CHEESE!
- Now Playing3minYour Mom is LITERALLY Part Of You!
- Now Playing5minHow Many Heartbeats Do We Get?
- Now Playing3minDoes Evolution Have a Point? 12 Days of Evolution #12
Origin of Everything
- Now Playing10minWhy Is There a Minimum Wage?
- Now Playing11minWhat is Racial Passing?
- Now Playing9minWhat If Islam Conquered Europe?
- Now Playing7minIs Poisoned Halloween Candy a Myth?
- Now Playing5minWhat Was Jesus' Real Name?
- Now Playing9minWhy Do We Drink Milk in School?
- Now Playing10minHow Did Makeup Ads Go From Style to Science?
- Now Playing10minHow WWII Created Godzilla & Mecha Robots
- Now Playing11minWhy Do So Many Religions Have Headwear?
- Now Playing8minWhy Do Kids Have Their Own Bedrooms?
- Now Playing8minWhy Do Women Shave Their Legs?
- Now Playing7minIs Poisoned Halloween Candy a Myth?
- Now Playing7minHow Your Rubber Ducky Explains Colonialism
- Now Playing9minIs the Rosa Parks Story True?
- Now Playing12minWhy Do Schools Teach Sex Education?
- Now Playing7minThe True Origin of Killer Clowns
- Now Playing7minHow did Makeup, WWII, & Communism Create U.S. Healthcare?
- Now Playing12minWhy Do Schools Teach Sex Education?
- Now Playing10minWhy was Pink for Boys and Blue for Girls?
- Now Playing7minHow Columbus Invented Cannibals
Two Cents
- Now Playing7minIs the Stock Market Just a Big Casino?
- Now Playing5minBudgeting Basics
- Now Playing6minWhat the Heck Are Mutual Funds?
- Now Playing6minDoes Wealth Make You Meaner?
- Now Playing4minWhat is the DOW?
- Now Playing6minShould You Break Up With Your Big Bank?
- Now Playing6minThe Ugly Truth About Airline Miles
- 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
- Now Playing6minHow Do You Actually Buy A House?
- Now Playing6minWhat Are The Most Lucrative Trades?
- Now Playing7minCan You Really Retire in Your 30s?
- Now Playing6minHacking Your Brain to Get Out Of Debt
- Now Playing6minWomen Financial Superpowers
- Now Playing6minMoving Without Spending a Fortune
- Now Playing5minHow Cars Can Keep You Poor
- Now Playing7minLove and Money
- Now Playing6minDo I Need To Buy A House?
Monstrum
- Now Playing11minThe Original Urban Legend: Spring-Heeled Jack
- Now Playing6minRethinking Frankenstein's Monster
- Now Playing10minJorōgumo: The Deadly Spider Woman from Yokai Lore
- Now Playing11minBasilisk or Cockatrice? The Mysterious King of Serpents
- Now Playing6minThe Origin of Medusa
- Now Playing10minWill-o'-the-Wisp: Monstrous Flame or Scientific Phenomenon?
- Now Playing11minThe Fatal Song of the Sirens
- Now Playing8minNuckelavee: Scotland's Skinless Evil Monstrosity
- Now Playing14minThe Evolution of Creepy Dolls
- Now Playing8minCreepy Clowns: The Horror Behind the Laughter
- Now Playing12minWas Púca the Nightmare Bunny That Inspired Donnie Darko?
- Now Playing10minHow Bloody Mary Turns Fear Into Fun
- Now Playing11minCan All Monsters Be Traced Back to Tiamat?
- Now Playing12minThe Origins of 'Big Bug' Science Fiction
- Now Playing13minLeprechaun: From Gold-Loving Cobbler to Cultural Icon
- Now Playing10minIs Yuki-onna the Most Terrifying Snow Monster?
- Now Playing17minModern Zombies: The Rebirth of the Undead
- Now Playing10minYara-ma-yha-who: Australia's Regurgitating, Blood-Sucking Mo
- Now Playing12minDeath Worms: Fact or Fiction?
- Now Playing13minWhat Happened During Our Scary Slumber Party
Eons
- Now Playing8minThe Mystery of the Eocene's Lethal Lake
- Now Playing11minWhen Penguins Went From The Sky To The Sea
- Now Playing8minHow Ankylosaurs Got Their Clubs
- Now Playing9minThe Sudden Rise of the First Colossal Animal
- Now Playing8minWhere Did Viruses Come From?
- Now Playing6minHistory's Most Powerful Plants
- Now Playing10minThe Last Time the Globe Warmed
- Now Playing9minThe Whole Saga of the Supercontinents
- Now Playing6minThe Most Useful Fossils In The World
- Now Playing8minThe Ancient Human Species With A Missing Body
- Now Playing10minThat Time The Ocean Lost (Almost) All Its Oxygen
- Now Playing10minHow a Supervolcano Made the Cenozoic's Coolest Fossils
- Now Playing10minThe Facts About Dinosaurs & Feathers
- Now Playing10minWhen Ichthyosaurs Led a Revolution in the Seas
- Now Playing11minHow the Starfish Got Its Arms
- Now Playing11minThe Story of the Dino Stampede
- Now Playing9minThe Rise and Fall of the Bone-Crushing Dogs
- Now Playing10minHow Pollination Got Going Twice
- Now Playing7minWhy Do Things Keep Evolving Into Crabs?
- Now Playing10minHow We Figured Out Fermentation
Hot Mess
- Now Playing6minWhat If We Burned All The World's Fossil Fuels?
- Now Playing7minWhat's The Best Car For The Climate?
- Now Playing10minFeeling Guilty About Climate Change feat. Hank Green
- Now Playing6minHow To Suck Carbon Dioxide Out of the Sky
- Now Playing6minWhat Indigenous Communities Teach Us About Climate Change
- Now Playing10minFeeling Guilty About Climate Change feat. Hank Green
- Now Playing5minWhy Climate Change is Unjust
- Now Playing10minAre You Scared Enough? feat. David Wallace-Wells
- Now Playing6minWhat If We Burned All The World's Fossil Fuels?
- Now Playing6minCan We Get Solar Power To Everyone Who Wants It?
- Now Playing6minWill Big Oil Have To Pay Up Like Big Tobacco?
- Now Playing5minClimate change will push millions out. Where will they go?
- Now Playing5minWho Should Pay To Fix Climate Change?
- Now Playing5minWho Should Pay To Fix Climate Change?
- Now Playing6minHow To Suck Carbon Dioxide Out of the Sky
- Now Playing7minHow To Make Clothes Less Terrible for the Planet
- Now Playing5minWhy Don't We Hear About the Ozone Hole Anymore?
- Now Playing6minCoral Reefs Are Dying. But They Don't Have To.
- Now Playing4minHow Much Energy Does the Internet Use?
- Now Playing12minOur Food System is Rigged feat. Sheril Kirshenbaum
Space Time
- Now Playing10minThe Death of the Sun
- Now Playing9minHow Close To The Sun Can Humanity Get?
- Now Playing10minThe End of the Habitable Zone
- Now Playing8minThe Higgs Mechanism Explained
- Now Playing17minDoes Antimatter Create Anti-Gravity?
- Now Playing10minTelescopes of Tomorrow
- Now Playing16minThe Equation That Explains (Nearly) Everything!
- Now Playing10minThe Andromeda-Milky Way Collision
- Now Playing11minThe Future of Space Telescopes
- Now Playing15minHow to Find ALIEN Dyson Spheres
- Now Playing14minSolving the Three Body Problem
- Now Playing12minFeynman's Infinite Quantum Paths
- Now Playing10minThe Origin of Our First Interstellar Visitor
- Now Playing16minWhat If The Speed of Light is Not Constant?
- Now Playing9minThe Star at the End of Time
- Now Playing13minCould We Move Planet Earth Across the Universe?
- Now Playing10minCan You Trust Your Eyes in Spacetime?
- Now Playing15minIs Dark Energy Getting Stronger?
- Now Playing12minQuantum Invariance & The Origin of The Standard Model
- Now Playing10minWhat's Wrong With the Big Bang Theory?
Beat Making Lab
- Now Playing2minWalshy Fire [of Major Lazer] Wants Your Riddims
- Now Playing4minCho Cho Cho (Music Video) filmed in Goma, Congo
- Now Playing10minHeartbeats of Fiji
- Now Playing2minMashup: National Anthems
- Now Playing2minField Trip: Prison Beats
- Now Playing3minGet Your Drums Right
- Now Playing3minPanama: Meet the Kids Behind the Beats
- Now Playing2minWhat's In the Backpack?
- Now Playing5minBehind the Beat: Portobelo
- Now Playing3minBeat Making Challenge #1: Accordion Trap
- Now Playing4minTrapped In Paradise
- Now Playing2minHealth Worker Beat
- Now Playing3minSampling w/ Flip Flops and Ski Beatz
- Now Playing3minBehind The Beat: First Beat Making Lab (2011)
- Now Playing4minPortobelo (music video)
- Now Playing3min#FijiChallenge w/ Walshy Fire of Major Lazer
- Now Playing3minProf. Angel Sound Prison Beats Interview
- Now Playing3minFemale Hip Hop Crew Makes Beats in Senegal
- Now Playing3minBeat Making Challenge #2: Kora Riddim
- Now Playing3minExclusive Zenga (Music Video) by Flamme Kapaya
Infinite Series
- Now Playing13minThe Mathematics of Quantum Computers
- Now Playing14minBuilding an Infinite Bridge
- Now Playing8minA Breakthrough in Higher Dimensional Spheres
- Now Playing14minCan a Chess Piece Explain Markov Chains?
- Now Playing14minSolving the Wolverine Problem with Graph Coloring
- Now Playing10minWhat Does It Mean to Be a Number? (The Peano Axioms)
- Now Playing11minThe Geometry of SET
- Now Playing15minArrow's Impossibility Theorem
- Now Playing11minTopology vs "a" Topology
- Now Playing10minThe Mathematics of Diffie-Hellman Key Exchange
- Now Playing9minBeyond the Golden Ratio
- Now Playing17minHacking at Quantum Speed with Shor's Algorithm
- Now Playing17minSplitting Rent with Triangles
- Now Playing14minWhy Computers are Bad at Algebra
- Now Playing11minSingularities Explained
- Now Playing12minThe Honeycombs of 4-Dimensional Bees ft. Joe Hanson
- Now Playing10minThe Assassin Puzzle
- Now Playing14minHow Big are All Infinities Combined? (Cantor's Paradox)
- Now Playing13minWhat is a Random Walk?
- Now Playing9minThis Video was Not Encrypted with RSA
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 Playing8minWhy Do We Love Zombies?
- Now Playing5minNicolas Cage, Taoism, and YOLO
- Now Playing4minIs Instagram Revolutionizing Photography?
- Now Playing5minIs Dubstep the New Musical Avant-Garde?
- 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 Playing8minIs Buying Call of Duty a Moral Choice?
- Now Playing5minWill Space Travel Save Us All?
- Now Playing3minIs the Web Browser Replacing the Art Gallery?
- Now Playing5minAre You a Hipster?
- Now Playing8minIs Developing Artificial Intelligence (AI) Ethical?
- Now Playing8minIs Sad Music Actually Sad?
- Now Playing3minAre Holograms Nostalgia or a New Form of Art?
- Now Playing3minAre Holograms Nostalgia or a New Form of Art?
- Now Playing9minDoes Math Really Exist?
- Now Playing6minIs Doctor Who a Religion?