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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 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
- Now Playing8minWhat Was The Earliest Surgery?
- Now Playing13minSpace is Full of Junk. Here's How to Clean It Up...
- Now Playing15minDark Forest: Should We Not Contact Aliens?
It's Okay to Be Smart
- Now Playing7minHow Do Glaciars Move?
- Now Playing6minCould We Clone Ourselves?
- Now Playing8min6 Chemical Reactions That Changed History
- Now Playing3minHow Do Squirrels Find Their Nuts?
- Now Playing6minCould We Clone Ourselves?
- Now Playing7minEl Niño and Why We Can't Predict the Weather
- Now Playing6minIlluminating the Universe: The History of Light
- Now Playing9minCan We Get Older Without Aging?
- Now Playing5minThis Land Is Your Land - Project For Awesome 2016
- Now Playing8minWhen Science Fiction Becomes Science Fact
- Now Playing5minDo Fish Pee?
- Now Playing8minWhy Don't Birds Lay Square Eggs?
- Now Playing10minThe Mystery of the World's Greatest Butterfly Migration
- Now Playing5minNature's Living Fireworks
- Now Playing7minWill You Still Eat Raw Fish After Watching This Video?
- Now Playing2minCarbon and Oxygen and You: Explained
- Now Playing9minWhy Do We Get Dizzy (...and Astronauts Don't?)
- Now Playing5minWhy Are You Multicellular?
- Now Playing7minWhy People Don't Believe In Climate Science
- Now Playing5minThe Auroras
Origin of Everything
- Now Playing10minHow WWII Created Godzilla & Mecha Robots
- Now Playing11minWhy Do So Many Religions Have Headwear?
- Now Playing7minHow Your Rubber Ducky Explains Colonialism
- Now Playing7minThe True Origin of Killer Clowns
- Now Playing12minWhy Do Schools Teach Sex Education?
- Now Playing9minIs the Rosa Parks Story True?
- Now Playing7minIs Poisoned Halloween Candy a Myth?
- Now Playing8minWhy Do Women Shave Their Legs?
- Now Playing8minWhy Do Kids Have Their Own Bedrooms?
- Now Playing9minWhat If Islam Conquered Europe?
- Now Playing10minWhy Is There a Minimum Wage?
- Now Playing11minWhat is Racial Passing?
- Now Playing5minWhat Was Jesus' Real Name?
- Now Playing7minIs Poisoned Halloween Candy a Myth?
- Now Playing10minHow Did Makeup Ads Go From Style to Science?
- Now Playing9minWhy Do We Drink Milk in School?
- Now Playing8minWhy Do We Get Grades in School?
- Now Playing10minWhat is Ethnicity?
- Now Playing10minWhy Does the Government Need to Know My Race?
- Now Playing12minWhy Doesn't the US Have Paid Parental Leave?
Two Cents
- Now Playing5minHow Do Your Tax Dollars Get Spent?
- Now Playing8min5 Strange Investor Crazes!
- Now Playing5minHow are credit scores calculated?
- Now Playing5minHow Cars Can Keep You Poor
- Now Playing6minMoving Without Spending a Fortune
- Now Playing6minWomen Financial Superpowers
- 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 Playing7minIs It Even POSSIBLE to Save for Retirement?
- Now Playing6minDo I Need To Buy A House?
- Now Playing7minLove and Money
- Now Playing8minAre "Free" Video Games Really Free?
- Now Playing6minShould I Buy Bitcoin?
- Now Playing6minWhat is The Cost of Pet Ownership?
- Now Playing6minHow Do You Actually Buy A House?
- Now Playing8min5 Ways People Are Dumb About Money
- Now Playing5minBudgeting Basics
- Now Playing7minIs the Stock Market Just a Big Casino?
- Now Playing6minThe Ugly Truth About Airline Miles
Monstrum
- Now Playing12minHave Humans Always Feared Sharks?
- Now Playing11minMapinguari: Fearsome Beast and Protector of the Amazon
- Now Playing26minThe Killer Origins of the Werewolf
- Now Playing17minAlien Abduction and UFOs: Why Are Grays So Common?
- Now Playing9minAdze: the Shapeshifting Firefly from West Africa
- Now Playing9minPost-Dracula Vampires: From Anne Rice to Twilight
- Now Playing10minTikbálang: The Filipino Nightmare Shapeshifter
- Now Playing13minUnicorns: Magical Icons or Violent Beasts?
- Now Playing12minWhat Hellhounds Reveal about Humans' Oldest Companion
- Now Playing12minAre Cyborgs Really Monsters?
- Now Playing7minEl Chupacabras, a Modern Mystery
- Now Playing10minWhy the Dragon is Central to Chinese Culture
- Now Playing8minBunyip: Australia's Mysterious Amphibian Monster
- Now Playing7minWhat Dragons Say About Us
- Now Playing31minThe Werewolf's Modern Metamorphosis
- Now Playing12minBeyond the Supernatural Horror of the Nishi Daak Ghost
- Now Playing15minEgyptian Mummies: From Sacred Vessels to Scary Undead
- Now Playing12minDon't Let Them In! The Urban Legends of Black-Eyed Children
- Now Playing12minTaotie: The Mystery of Chinese Mythology's Famous Glutton
- Now Playing14minThe Untold Secrets of Pokémon's Monster Mythology
Eons
- Now Playing9minCould Neanderthals Use Symbolism?
- Now Playing7minThe Great Snake Debate
- Now Playing8minHow a Mass Extinction Event Created the Amazon
- Now Playing4minThe Strange Case of the Buzzsaw Jaws
- Now Playing13minHow Plate Tectonics Transformed Los Angeles
- Now Playing11minWas This Dinosaur a Cannibal?
- Now Playing8minHow a Hot Planet Created the World's Biggest Snake
- Now Playing10minHow Plants Became Carnivores
- Now Playing12minWhen Giant Scorpions Swarmed the Seas
- Now Playing9minWhen Insects First Flew
- Now Playing8minThe Weird, Watery Tale of Spinosaurus
- Now Playing9minWhen a Giant Pterosaur Ruled the European Islands
- Now Playing8minWhen the Rainforests Collapsed
- Now Playing10minHow Horses Took Over North America (Twice)
- Now Playing9minIt's Becoming Very Clear That Birds Are Not Normal
- Now Playing10minWhy We Only Have Ten Toes (It's a Long Story)
- Now Playing11minHow Earth's First, Unkillable Animals Saved the World
- Now Playing11minWhen We First Walked
- Now Playing12minThe Island of Huge Hamsters and Giant Owls
- Now Playing9minThe Evolution of the Heart (A Love Story)
Hot Mess
- Now Playing5minWhy Climate Change is Unjust
- Now Playing4minHow Much Energy Does the Internet Use?
- Now Playing6minCoral Reefs Are Dying. But They Don't Have To.
- Now Playing5minWhy We Confuse Weather and Climate
- Now Playing11minClimate Change is Too Big for our Brains feat. Mike Rugnetta
- Now Playing6minWould Your Neighbors Save You From a Flooding Home?
- Now Playing5minWhat Happened to Nuclear Power?
- Now Playing3minCould climate change make you allergic to meat?
- Now Playing7minWhat's The Best Car For The Climate?
- Now Playing4minHow Much Energy Does the Internet Use?
- Now Playing12minOur Food System is Rigged feat. Sheril Kirshenbaum
- Now Playing13minThe Rise of Climate Fiction feat. Lindsay Ellis & Amy Brady
- Now Playing6minCoral Reefs Are Dying. But They Don't Have To.
- Now Playing5minCan Farms and Forests Coexist?
- Now Playing4minWhy Are Hurricanes Getting Stronger?
- Now Playing5minWhat's actually the worst greenhouse gas?
- Now Playing6minWill Big Oil Have To Pay Up Like Big Tobacco?
- Now Playing8minHow One Conservative Texas Town Went 100% Renewable
- Now Playing5minWhat Happened to Nuclear Power?
- Now Playing5minClimate change will push millions out. Where will they go?
Space Time
- Now Playing13minPilot Wave Theory and Quantum Realism
- Now Playing12minQuantum Invariance & The Origin of The Standard Model
- Now Playing11minBreaking The Heisenberg Uncertainty Principle
- Now Playing11minWe Are Star Stuff
- Now Playing11minStar Clusters: Crash Course Astronomy #35
- Now Playing10minLife on Europa?
- Now Playing13minSound Waves from the Beginning of Time
- Now Playing9minGeneral Relativity & Curved Spacetime Explained!
- Now Playing11minSuperluminal Time Travel + Time Warp Challenge Answer
- Now Playing18minWhat If Gravity is Not Quantum?
- Now Playing9minWill Mars or Venus Kill You First?
- Now Playing15minHow We Know The Universe is Ancient
- Now Playing6minSuicide Space Robots
- Now Playing11minThe Physics of Life (ft. It's Okay to be Smart & PBS Eons!)
- Now Playing13minHow To Build The Universe in a Computer
- Now Playing6minCould You Fart Your Way to the Moon?
- Now Playing21minWhat New Science Would We Discover with a Moon Telescope?
- Now Playing9minThe True Nature of Matter and Mass
- Now Playing10minNoether's Theorem and The Symmetries of Reality
- Now Playing13minDid Dark Energy Just Disappear?
Beat Making Lab
- Now Playing4minCho Cho Cho (Music Video) filmed in Goma, Congo
- Now Playing2minWalshy Fire [of Major Lazer] Wants Your Riddims
- 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 Playing3minGet Your Drums Right
- Now Playing2minField Trip: Prison Beats
- Now Playing2minMashup: National Anthems
- Now Playing10minHeartbeats of Fiji
- Now Playing4minPortobelo (music video)
- Now Playing3minBehind The Beat: First Beat Making Lab (2011)
- Now Playing3minSampling w/ Flip Flops and Ski Beatz
- Now Playing2minHealth Worker Beat
- Now Playing4minTrapped In Paradise
- 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
Infinite Series
- Now Playing9minBeyond the Golden Ratio
- Now Playing11minSingularities Explained
- Now Playing11minVoting Systems and the Condorcet Paradox
- Now Playing14minInfinite Chess
- Now Playing15minDissecting Hypercubes with Pascal's Triangle
- Now Playing9minHow Many Humans Have the Same Number of Body Hairs?
- Now Playing10minThe Assassin Puzzle
- Now Playing9minHow Many Humans Have the Same Number of Body Hairs?
- Now Playing10minUnraveling DNA with Rational Tangles
- Now Playing14minTopology Riddles | Infinite Series
- Now Playing12minThe Honeycombs of 4-Dimensional Bees ft. Joe Hanson
- Now Playing8minHow to Divide by "Zero"
- Now Playing9minA Hierarchy of Infinities
- Now Playing15minArrow's Impossibility Theorem
- Now Playing11minTopology vs "a" Topology
- Now Playing17minHacking at Quantum Speed with Shor's Algorithm
- Now Playing10minThe Mathematics of Diffie-Hellman Key Exchange
- Now Playing9minBeyond the Golden Ratio
- Now Playing14minCan a Chess Piece Explain Markov Chains?
- Now Playing14minSolving the Wolverine Problem with Graph Coloring
Idea Channel
- 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 Playing5minIs Dubstep the New Musical Avant-Garde?
- Now Playing4minIs Instagram Revolutionizing Photography?
- Now Playing5minNicolas Cage, Taoism, and YOLO
- Now Playing8minWhy Do We Love Zombies?
- Now Playing5minWill Space Travel Save Us All?
- Now Playing8minIs Buying Call of Duty a Moral Choice?
- Now Playing5minIs Dubstep the New Musical Avant-Garde?
- Now Playing5minDo We Want the World to End?
- Now Playing5minIs Homestuck the Ulysses of the Internet?
- Now Playing8minIs Developing Artificial Intelligence (AI) Ethical?
- Now Playing5minAre You a Hipster?
- Now Playing3minIs the Web Browser Replacing the Art Gallery?
- Now Playing6minAre Virtual Video Game Economies Becoming Real?
- Now Playing6minIs Futurama the Best Argument Against Transhumanism?
- Now Playing3minSuper Mario Brothers as Surrealist Art?
- Now Playing6minIs Doctor Who a Religion?
- Now Playing9minDoes Math Really Exist?