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EonsJoin hosts Hank Green, Kallie Moore, and Blake de Pastino as they take you on a journey through the history of life on 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 Playing3minThe Equinox Isn't What You Think It Is
- Now Playing7minHow Baby Sea Turtles Find Their Way Home
- Now Playing13minDoes Someone Else Have Your Face?
- Now Playing6minWhat Has New Horizons Taught Us About Pluto?
- Now Playing8minScience of Marathon Running
- Now Playing4minThis Is Not a Rainbow
- Now Playing6minWhy Do Clouds Stay Up?
- Now Playing5minHow Many Species Are There?
- Now Playing5minWhy Are You Multicellular?
- Now Playing4minWhy I'm Scared of Spiders
- Now Playing6minWhy Do Things Sound Scary?
- Now Playing6minHow An Igloo Keeps You Warm
- Now Playing5minThe Far Future of the Universe
- Now Playing6minThe REAL Physics of Hot Air Balloons!
- Now Playing6minIt's Okay to Fart
- Now Playing7minWhere Did Humans Come From?
- Now Playing4minHow Ingenious Animals Have Engineered Air Conditioning
- Now Playing3minElectric Buzzaloo: How Bees See the Invisible
- Now Playing7minWhere Did Humans Come From?
- Now Playing18minThe 12 Days of Evolution - Complete Series!
Origin of Everything
- Now Playing8minWhere Does the #Hashtag Symbol Come From?
- Now Playing8minWhy Do Kids Have Their Own Bedrooms?
- Now Playing11minModern Warfare and Alien Invasions
- Now Playing9minCan Tattoos Be Taboo?
- Now Playing7minWhy are 18 Year Olds Considered Adults?
- Now Playing10minWhy Does the Government Need to Know My Race?
- Now Playing11minWhy Does the Government Pay for Art?
- Now Playing10minHow Did Martin Luther King Jr. Get a Holiday?
- Now Playing9minDoes the Rorschach Inkblot Test Work?
- Now Playing9minCan Tattoos Be Taboo?
- Now Playing6minWhy Do We Have Middle Names?
- Now Playing7minWhy Are There So Few Women in Computer Science?
- Now Playing8minWhy Do We Wash Our Hands After Going to the Bathroom?
- Now Playing10min6 Weird Facts About the History of Birth Control
- Now Playing10minWhy Do We Have Hobbies?
- Now Playing5minWhat Was Jesus' Real Name?
- Now Playing9minHow Did Edison Invent Christmas Lights?
- Now Playing10minThe Origin of Race in the USA
- Now Playing8minWhere does the Nuclear Family Come From?
- Now Playing11minWhy Do We Have Private Prisons?
Two Cents
- Now Playing6minI'm Young & Healthy, Can I Skip Health Insurance?
- Now Playing9minHow Smart Entrepreneurs Think About PRICES!
- Now Playing7minWhich College Majors Give the Most Bang for Your Buck?
- Now Playing6minIs My Identity Safe From Hackers?
- Now Playing6minFighting the Wedding Industrial Complex
- Now Playing7minMoney, A Global Game of Trust
- Now Playing7minFighting the Financial Pitfalls of the Supermarket
- Now Playing5minDo Kids Need to Learn About Money?
- Now Playing5minInsta-Everything
- Now Playing7minHow Retailers Stalk You Online
- Now Playing7minIs Your Side Hustle Hustling You?
- Now Playing7minShould I Invest In Cannabis Stocks?
- Now Playing6minHow to Ask for a Raise
- Now Playing7minWhat's The Real Cost of Dying?
- Now Playing6minTop 5 Biggest Financial Scams
- Now Playing7minWhy It's More Expensive To Be Poor
- Now Playing5minBudgeting Basics
- Now Playing7minIs the Stock Market Just a Big Casino?
- Now Playing4minWhat is the DOW?
- Now Playing6minThe Ugly Truth About Airline Miles
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 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 Playing10minHow Bloody Mary Turns Fear Into Fun
- Now Playing11minCan All Monsters Be Traced Back to Tiamat?
- Now Playing13minLeprechaun: From Gold-Loving Cobbler to Cultural Icon
- Now Playing12minThe Origins of 'Big Bug' Science Fiction
- 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 Playing13minThe SCP Foundation: Declassified
- Now Playing13minWhat Happened During Our Scary Slumber Party
Eons
- Now Playing6minLiving Fossils' Aren't Really a Thing
- Now Playing11minWhy Only Earth Has Fire
- Now Playing9minThe Curious Case of the Cave Lion
- Now Playing10minHow a Supervolcano Made the Cenozoic's Coolest Fossils
- Now Playing8minHow the Chalicothere Split In Two
- Now Playing10minHow a Supervolcano Ignited an Evolutionary Debate
- Now Playing10minWhen Camels Roamed North America
- Now Playing13minWhen We Met Other Human Species
- Now Playing12minThat Time the Mediterranean Sea Disappeared
- Now Playing8minThe Weird, Watery Tale of Spinosaurus
- Now Playing10minHow Worm Holes Ended Wormworld
- Now Playing8minThe Traits That Spawned the Age of Mammals
- Now Playing10minWhy Triassic Animals Were Just the Weirdest
- Now Playing10minWhen Did We Stop Being Naked?
- Now Playing7minHow the Smallest Animal Got So Simple
- Now Playing10minHow South America Made the Marsupials
- Now Playing9minHow Ancient Microbes Rode Bug Bits Out to Sea
- Now Playing8minThe Mystery of the Eocene's Lethal Lake
- Now Playing13minA Brief History of Geologic Time
- Now Playing10minWhy Triassic Animals Were Just the Weirdest
Hot Mess
- Now Playing6minHow To Suck Carbon Dioxide Out of the Sky
- Now Playing5minWho Should Pay To Fix Climate Change?
- Now Playing5minWhy Don't We Hear About the Ozone Hole Anymore?
- Now Playing7minHow To Make Clothes Less Terrible for the Planet
- Now Playing6minCan We Get Solar Power To Everyone Who Wants It?
- Now Playing6minWhat If We Burned All The World's Fossil Fuels?
- Now Playing6minWill Big Oil Have To Pay Up Like Big Tobacco?
- Now Playing5minWho Should Pay To Fix Climate Change?
- Now Playing5minClimate change will push millions out. Where will they go?
- Now Playing6minWhat Indigenous Communities Teach Us About Climate Change
- Now Playing10minFeeling Guilty About Climate Change feat. Hank Green
- Now Playing10minAre You Scared Enough? feat. David Wallace-Wells
- Now Playing5minWhy Climate Change is Unjust
- Now Playing6minWhat If We Burned All The World's Fossil Fuels?
- Now Playing10minFeeling Guilty About Climate Change feat. Hank Green
- Now Playing7minWhat's The Best Car For The Climate?
- Now Playing6minHow To Suck Carbon Dioxide Out of the Sky
- Now Playing6minWould Your Neighbors Save You From a Flooding Home?
- Now Playing11minClimate Change is Too Big for our Brains feat. Mike Rugnetta
- Now Playing7minWhat's The Best Car For The Climate?
Space Time
- Now Playing10minScientists Have Detected the First Stars
- Now Playing14minWhat are the Strings in String Theory?
- Now Playing15minHow Quantum Entanglement Creates Entropy
- Now Playing15minDoes Space Emerge From A Holographic Boundary?
- Now Playing13minHow To Capture Black Holes
- Now Playing10minZero-Point Energy Demystified
- Now Playing6minSpace Used to Be Orange!!
- Now Playing12minScience of the James Webb Telescope Explained!
- Now Playing16minIs 'Perpetual Motion' Possible with Superfluids?
- Now Playing15minIs Dark Energy Getting Stronger?
- Now Playing13minNew Results in Quantum Tunneling vs. The Speed of Light
- Now Playing13minSupersymmetric Particle Found?
- Now Playing17minHow Much Of The Universe Can Humanity Ever See?
- Now Playing11minBlack Holes from the Dawn of Time
- Now Playing12minWhy We Should Put Rockets On the Moon
- Now Playing13minHow Black Holes Spin Space Time
- Now Playing11minHow to Build a Blackhole
- Now Playing18minWhat If There's A Black Hole Inside The Sun?
- Now Playing9minHow Gaia Changed Astronomy Forever
- Now Playing14minWas the Milky Way a Quasar?
Beat Making Lab
- Now Playing2minWalshy Fire [of Major Lazer] Wants Your Riddims
- Now Playing4minCho Cho Cho (Music Video) filmed in Goma, Congo
- 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
- 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 Playing3min#FijiChallenge w/ Walshy Fire of Major Lazer
- Now Playing3minProf. Angel Sound Prison Beats Interview
- Now Playing3minExclusive Zenga (Music Video) by Flamme Kapaya
- Now Playing3minBeat Making Challenge #2: Kora Riddim
- Now Playing3minFemale Hip Hop Crew Makes Beats in Senegal
Infinite Series
- Now Playing11minWhat are Numbers Made of?
- Now Playing14minWhy Computers are Bad at Algebra
- Now Playing14minInfinite Chess
- Now Playing11minCan We Hear Shapes?
- Now Playing14minSolving the Wolverine Problem with Graph Coloring
- Now Playing8minA Breakthrough in Higher Dimensional Spheres
- Now Playing10minInstant Insanity Puzzle
- Now Playing11minCan We Hear Shapes?
- Now Playing14minCan We Combine pi & e to Make a Rational Number?
- Now Playing12minHow Infinity Explains the Finite
- Now Playing8minThe Multiplication Multiverse
- Now Playing8minAre Prime Numbers Made Up?
- Now Playing9minProving Brouwer's Fixed Point Theorem
- Now Playing14minMaking Probability Mathematical
- Now Playing9minAssociahedra: The Shapes of Multiplication
- Now Playing14minTopology Riddles | Infinite Series
- Now Playing12minProving Pick's Theorem
- Now Playing11minVoting Systems and the Condorcet Paradox
- Now Playing10minUnraveling DNA with Rational Tangles
- Now Playing10minThe Mathematics of Diffie-Hellman Key Exchange
Idea Channel
- Now Playing5minIs Homestuck the Ulysses of the Internet?
- Now Playing5minA Visit to Mr. Monfre's Class
- Now Playing5minThere's No Such Thing as Online?!?
- Now Playing6minThe Retro Awesomeness of Adventure Time
- Now Playing6minShould "Happy Birthday" be Protected by Copyright?
- Now Playing6minIs Doctor Who a Religion?
- Now Playing9minIs a DOS Attack a Weapon?
- Now Playing4minThe Bronies Phenomenon
- Now Playing3minAn Interview with Minecraft EDU Creator Joel Levin
- Now Playing6minWhat Do Santa and Wrestling Have In Common?
- Now Playing6minWhat do MP3s and Magic Spells Have in Common?
- Now Playing5minIs Facebook Changing Our Identity?
- Now Playing9minCan Video Games Become the Next Spectator Sport?
- Now Playing8minDo Knock-Offs Prove the Value of a Brand?
- Now Playing4minAre Mashups the End of Music Genres?
- Now Playing9minIs the Universe a Computer?
- Now Playing5minHow will the Animated GIF affect the Presidential Election?
- Now Playing5minIs CSS and Website Design a Fashion Statement?
- Now Playing5minAre Olympic Competitors Geniuses?
- Now Playing4minHas the Microsoft Kinect revolutionized art?