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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 Playing5minMuch A-Do About Hair
- Now Playing7minHow Baby Sea Turtles Find Their Way Home
- Now Playing6minIs Your Eye Color Real?
- Now Playing2minThe Sun Is A Magnet!
- Now Playing5minWhy Your Brain Is In Your Head
- Now Playing7minIncredible Tails Of Amazing Whales!
- Now Playing5minSunburn, Sweat and the Science of Summer!
- Now Playing5minThe Superb Owl!
- Now Playing4minWhy Seasons Make No Sense
- Now Playing6minWhy Do Things Sound Scary?
- Now Playing5minThe Odds of Finding Life and Love
- Now Playing4minWe're Mainly Microbe: Meet Your Microbiome
- Now Playing7minWhy Don't Ants Get Stuck in Traffic
- Now Playing5minThe Only Animal That Weeps
- Now Playing5minSpit: Everything You Never Wanted To Know
- Now Playing5minCould Planet Minecraft Actually Exist?
- Now Playing6minIs Sugar A Drug?
- Now Playing5minDo You Really Have Two Brains?
- Now Playing9minIs This A NEW SPECIES?!
- Now Playing6minThe Cheerios Effect
Origin of Everything
- Now Playing8minWhere does the Nuclear Family Come From?
- Now Playing9minWhy Do All Malls Look the Same?
- Now Playing9minThe Origin of Gender
- 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 Playing9minThe Origin of Gender
- Now Playing8minWhy Did Europeans Enslave Africans?
- Now Playing7minThe True Origin of Killer Clowns
- Now Playing10minWhat is Ethnicity?
- Now Playing9minWhy Do We Drink Milk in School?
- Now Playing8minWhy Do We Get Grades in School?
- Now Playing7minWhy Does Santa Wear Red?
- 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 Playing12minWhy Do We Have Housing Projects?
- Now Playing8minWhy Do We Eat Artificial Flavors?
Two Cents
- Now Playing6minTop 5 Biggest Financial Scams
- Now Playing7minWhy It's More Expensive To Be Poor
- Now Playing6minHow to Ask for a Raise
- Now Playing7minWhat's The Real Cost of Dying?
- Now Playing7minShould I Invest In Cannabis Stocks?
- 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 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 Playing6minI'm Young & Healthy, Can I Skip Health Insurance?
- Now Playing9minHow Smart Entrepreneurs Think About PRICES!
- Now Playing5minHow are credit scores calculated?
- Now Playing8min5 Strange Investor Crazes!
- Now Playing5minHow Do Your Tax Dollars Get Spent?
- Now Playing6minDo I Need To Buy A House?
Monstrum
- 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 Playing10minHow Bloody Mary Turns Fear Into Fun
- Now Playing11minCan All Monsters Be Traced Back to Tiamat?
- Now Playing10minThe Enchanting Fairies of Celtic Lore
- Now Playing10minPontianak: The Vampiric Ghost of Southeast Asia
- Now Playing10minYara-ma-yha-who: Australia's Regurgitating, Blood-Sucking Mo
- Now Playing13minWhat Happened During Our Scary Slumber Party
- Now Playing12minDeath Worms: Fact or Fiction?
- Now Playing15minBaba Yaga: The Ancient Origins of the Famous 'Witch'
- Now Playing8minWerehyena: The Terrifying Shapeshifters of African Lore
- Now Playing13minThe SCP Foundation: Declassified
- Now Playing10minJorōgumo: The Deadly Spider Woman from Yokai Lore
- Now Playing11minBasilisk or Cockatrice? The Mysterious King of Serpents
- Now Playing10minWill-o'-the-Wisp: Monstrous Flame or Scientific Phenomenon?
- Now Playing6minThe Origin of Medusa
- Now Playing6minRethinking Frankenstein's Monster
- Now Playing11minThe Original Urban Legend: Spring-Heeled Jack
Eons
- Now Playing13minAn Illustrated History of Dinosaurs
- Now Playing9minThe Fungi That Turned Ants Into Zombies
- Now Playing13minHow Evolution Works (And How We Figured It Out)
- Now Playing9minWhen Rodents Had Horns
- Now Playing10minThe Facts About Dinosaurs & Feathers
- Now Playing11minHow a Mass Extinction Changed Our Brains
- Now Playing9minThe Invisible Barrier Keeping Two Worlds Apart
- Now Playing10minHow 7,000 Years of Epic Floods Changed the World
- Now Playing12minCan We Get DNA From Fossils?
- Now Playing10minWhen Fish Wore Armor
- Now Playing8minWhat Happened to the World's Greatest Ape?
- Now Playing8minThat Time It Rained for Two Million Years
- Now Playing8minThe Ghostly Origins of the Big Cats
- Now Playing7minWhen Giant Deer Roamed Eurasia
- Now Playing8minHow Plate Tectonics Gave Us Seahorses
- Now Playing8minWhen Dinosaur Look-Alikes Ruled the Earth
- Now Playing6minThe Time Terror Birds Invaded
- Now Playing11minWhy Megalodon (Definitely) Went Extinct
- Now Playing14minThe History of Climate Cycles (and the Woolly Rhino)
- Now Playing9minWhen Fish First Breathed Air
Hot Mess
- Now Playing5minWhy Climate Change is Unjust
- Now Playing6minCoral Reefs Are Dying. But They Don't Have To.
- Now Playing4minHow Much Energy Does the Internet Use?
- Now Playing5minWhy We Confuse Weather and Climate
- 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?
- Now Playing5minWhat Happened to Nuclear Power?
- Now Playing3minCould climate change make you allergic to meat?
- Now Playing4minHow Much Energy Does the Internet Use?
- Now Playing13minThe Rise of Climate Fiction feat. Lindsay Ellis & Amy Brady
- Now Playing12minOur Food System is Rigged feat. Sheril Kirshenbaum
- Now Playing6minCoral Reefs Are Dying. But They Don't Have To.
- Now Playing4minWhy Are Hurricanes Getting Stronger?
- Now Playing5minCan Farms and Forests Coexist?
- Now Playing8minHow One Conservative Texas Town Went 100% Renewable
- Now Playing6minWill Big Oil Have To Pay Up Like Big Tobacco?
- Now Playing5minWhat's actually the worst greenhouse gas?
- Now Playing5minWhat Happened to Nuclear Power?
- Now Playing5minWho Should Pay To Fix Climate Change?
Space Time
- Now Playing12minWhat is Energy?
- Now Playing7min9 NASA Technologies Shaping YOUR Future
- Now Playing12minWhat Happens at the Event Horizon?
- Now Playing12minUnderstanding the Uncertainty Principle
- Now Playing12minDid JWST Discover Dark Matter Stars?
- Now Playing15minWhat If Space is Not Empty?
- Now Playing13minHow To Become an Astrophysicist
- Now Playing17minAre there Undiscovered Elements Beyond The Periodic Table?
- Now Playing10minThe EM Drive: Fact or Fantasy?
- Now Playing13minQuantum Gravity and the Hardest Problem in Physics
- Now Playing10minWhy the Universe Needs Dark Energy
- Now Playing12minQuantum Entanglement (The Bohr-Einstein Debate)
- Now Playing13minAre We Living in an Ancestor Simulation? ft. Neil deGrasse T
- Now Playing10minZero-Point Energy Demystified
- Now Playing12minHow Do We Know What Stars Are Made Of?
- Now Playing12minSolving the Impossible in Quantum Field Theory
- Now Playing14minCould the Higgs Boson Lead Us to Dark Matter?
- Now Playing11minFirst Detection of Life
- Now Playing11minWhy is the Earth Round and the Milky Way Flat?
- Now Playing11minMartian Evolution
Beat Making Lab
- 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 Playing2minMashup: National Anthems
- Now Playing10minHeartbeats of Fiji
- Now Playing3minGet Your Drums Right
- Now Playing2minField Trip: Prison Beats
- Now Playing4minCho Cho Cho (Music Video) filmed in Goma, Congo
- Now Playing2minWalshy Fire [of Major Lazer] Wants Your Riddims
- 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 Playing3minEpisode 1: Goma, Congo
- Now Playing4minDiablos (music video)
- Now Playing3min#FijiChallenge w/ Walshy Fire of Major Lazer
- Now Playing3minProf. Angel Sound Prison Beats Interview
- Now Playing3minSampling w/ Flip Flops and Ski Beatz
- Now Playing4minPortobelo (music video)
- Now Playing3minBehind The Beat: First Beat Making Lab (2011)
Infinite Series
- Now Playing11minDefining Infinity
- Now Playing8minTelling Time on a Torus
- Now Playing12minProving Pick's Theorem
- Now Playing14minMaking Probability Mathematical
- Now Playing11minWhat are Numbers Made of?
- Now Playing13minNetwork Mathematics and Rival Factions | Infinite Series
- Now Playing10minInstant Insanity Puzzle
- Now Playing15minDissecting Hypercubes with Pascal's Triangle
- Now Playing17minSplitting Rent with Triangles
- Now Playing16minHow to Break Cryptography
- Now Playing9minAssociahedra: The Shapes of Multiplication
- Now Playing14minBuilding an Infinite Bridge
- Now Playing11minThe Geometry of SET
- Now Playing14minCan We Combine pi & e to Make a Rational Number?
- Now Playing8minThe Multiplication Multiverse
- Now Playing8minTelling Time on a Torus
- Now Playing14minKill the Mathematical Hydra
- Now Playing14minHow Big are All Infinities Combined? (Cantor's Paradox)
- Now Playing13minWhat is a Random Walk?
- Now Playing11minWhat was Fermat's "Marvelous" Proof?
Idea Channel
- 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 Playing6minWhat do MP3s and Magic Spells Have in Common?
- Now Playing5minIs Facebook Changing Our Identity?
- Now Playing6minWhat Do Santa and Wrestling Have In Common?
- Now Playing5minAre Olympic Competitors Geniuses?
- Now Playing5minIs CSS and Website Design a Fashion Statement?
- Now Playing5minHow will the Animated GIF affect the Presidential Election?
- Now Playing9minIs the Universe a Computer?
- Now Playing6minIs Doctor Who a Religion?
- Now Playing6minShould "Happy Birthday" be Protected by Copyright?
- Now Playing6minThe Retro Awesomeness of Adventure Time
- 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 Playing9minIs a DOS Attack a Weapon?
- Now Playing4minThe Bronies Phenomenon
- Now Playing3minAn Interview with Minecraft EDU Creator Joel Levin
- Now Playing5minIs William Gibson A Modern Day Oracle?