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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 Playing6min97% of Climate Scientists Really Do Agree
- Now Playing11minThe Dinosaur On Your Thanksgiving Table
- Now Playing6minWho Shares Your Birthday?
- Now Playing5minThe Scale of the Universe
- Now Playing6minDNA Doesn't Look Like What You Think!
- Now Playing2minAre Humans Still Evolving? 12 Days of Evolution #11
- Now Playing2minCarbon and Oxygen and You: Explained
- Now Playing5minHow Many Heartbeats Do We Get?
- Now Playing6minThe Raisin Bran Effect
- Now Playing6min1 MILLION Species Could Go Extinct... Here's Why.
- Now Playing6minHow the Toilet Changed History
- Now Playing6minAre You Afraid of Holes?
- Now Playing6minPay Attention!
- Now Playing6minWhat Do Raindrops Really Look Like?
- Now Playing2minWhy Are There Still Monkeys? - 12 Days of Evolution #10
- Now Playing3minWhat is Wind?
- Now Playing5minShould You Eat Everyday?
- Now Playing7minWhy Are We The Only Humans Left?
- Now Playing9minWhat Color Is A Banana?
- Now Playing7minZombie Parasites!
Origin of Everything
- Now Playing11minWhy Are We Obsessed with Cults?
- Now Playing10minWould You Have Joined the American Revolution?
- Now Playing6minWhy it Was Illegal to be Ugly?
- Now Playing9minWhat If There Were No Taxes?
- 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 Playing10minHow Did Makeup Ads Go From Style to Science?
- Now Playing10minDo Standardized Tests Do More Harm Than Good?
- Now Playing11minWhy Do We Have Private Prisons?
- 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 Playing10minWhy Do We Have Hobbies?
- Now Playing10min6 Weird Facts About the History of Birth Control
- Now Playing8minWhere Does the #Hashtag Symbol Come From?
- Now Playing8minWhy Do Kids Have Their Own Bedrooms?
- Now Playing9minCan Tattoos Be Taboo?
- Now Playing7minWhy are 18 Year Olds Considered Adults?
Two Cents
- 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 Playing6minI'm Young & Healthy, Can I Skip Health Insurance?
- Now Playing9minHow Smart Entrepreneurs Think About PRICES!
- Now Playing6minTop 5 Biggest Financial Scams
- Now Playing7minWhy It's More Expensive To Be Poor
- Now Playing7minShould I Invest In Cannabis Stocks?
- Now Playing6minHow to Ask for a Raise
- Now Playing7minWhat's The Real Cost of Dying?
- Now Playing8minAre "Free" Video Games Really Free?
- Now Playing6minWhat is The Cost of Pet Ownership?
- Now Playing6minShould I Buy Bitcoin?
- Now Playing6minHow Do You Actually Buy A House?
Monstrum
- Now Playing20minWhy George Romero Changed Zombies Forever
- Now Playing9minKrampus: Origins of the Yuletide Monster
- Now Playing10minA Giant Monster With a Giant Problem
- Now Playing14minHero, Beast, or Both? The Complex Lore of the Centaur
- Now Playing10minEl Silbón: The Deadly Whistler of the Grasslands
- Now Playing10minSlender Man: How The Internet Created a Monster
- Now Playing17minThe Origins of the Zombie, from Haiti to the U.S.
- Now Playing10minHow a Children's Book Introduced Us To Our Inner Demons
- Now Playing13minMonster Plants and the Humans who Invent Them
- Now Playing12minWho Is This Japanese Yōkai That Is Obsessed With Your Butt?
- Now Playing17minTrolls: Scandinavia's Malevolent, Magical Outcasts
- Now Playing6minThe Original Headless Horseman
- Now Playing11minIs Siren Head the Ultimate Modern Monster?
- Now Playing18minUnlocking the Mystery of Loch Ness
- Now Playing9minThe Hidden Origins of Nixie, the Scariest Little Mermaid
- Now Playing11minWhy Has the Majestic Griffin Been Forgotten?
- Now Playing11minThe Macabre Origins of the Grim Reaper
- Now Playing12minHow Gargoyles Became Monsters
- Now Playing26minThe Killer Origins of the Werewolf
- Now Playing17minAlien Abduction and UFOs: Why Are Grays So Common?
Eons
- Now Playing10minThe Missing Link That Wasn't
- Now Playing8minWe Were Wrong About The Dodo
- Now Playing9minThe Island of the Last Surviving Mammoths
- Now Playing8minPrimates vs Snakes (An Evolutionary Arms Race)
- Now Playing8minWhen the Sahara Was Green
- Now Playing9minHow the Turtle Got Its Shell
- Now Playing11minWhen the Synapsids Struck Back
- Now Playing10minYou're Living On An Ant Planet
- Now Playing9minWhat a Dinosaur Looks Like Under a Microscope
- Now Playing8minThe Extinction That Never Happened
- Now Playing10minWhen Fish Wore Armor
- Now Playing12minWhen We Tamed Fire
- Now Playing11minWhat Happened to the World's Greatest Ape?
- Now Playing10minWhy The Giraffe Got Its Neck
- Now Playing10minWhen Giant Amphibians Reigned
- Now Playing9minWhen Fish First Breathed Air
- Now Playing9minWhen Plants Doubled Their DNA
- Now Playing10minHow Whale Evolution Kind Of Sucked
- Now Playing7minThe Trouble With Trilobites
- Now Playing10minWhen Hobbits Were Real
Hot Mess
- 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
- Now Playing13minThe Rise of Climate Fiction feat. Lindsay Ellis & Amy Brady
- Now Playing8minHow One Conservative Texas Town Went 100% Renewable
- Now Playing5minWhat's actually the worst greenhouse gas?
- Now Playing6minWill Big Oil Have To Pay Up Like Big Tobacco?
- Now Playing5minWhat Happened to Nuclear Power?
- Now Playing5minCan Farms and Forests Coexist?
- Now Playing4minWhy Are Hurricanes Getting Stronger?
- Now Playing5minWhy We Confuse Weather and Climate
- 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 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 Playing3minCould climate change make you allergic to meat?
- Now Playing5minWhat Happened to Nuclear Power?
- Now Playing6minWhat If We Burned All The World's Fossil Fuels?
Space Time
- Now Playing11minHow Cosmic Inflation Flattened the Universe
- Now Playing11minMartian Evolution
- Now Playing11minWhy is the Earth Round and the Milky Way Flat?
- Now Playing11minFirst Detection of Life
- Now Playing14minCould the Higgs Boson Lead Us to Dark Matter?
- Now Playing12minSolving the Impossible in Quantum Field Theory
- Now Playing12minHow Do We Know What Stars Are Made Of?
- Now Playing10minZero-Point Energy Demystified
- Now Playing13minAre We Living in an Ancestor Simulation? ft. Neil deGrasse T
- Now Playing9minIs There a Fifth Fundamental Force? + Quantum Eraser Answer
- Now Playing16minWas the Gravitational Wave Background Finally Discovered?!?
- Now Playing10minTelescopes of Tomorrow
- Now Playing10minHow to Capture Ghost Particles
- Now Playing9minCan a Circle Be a Straight Line?
- Now Playing7minHow to Signal Aliens
- Now Playing15minDeep Time: Crash Course Astronomy #45
- Now Playing14minAre Dark Matter And Dark Energy The Same?
- Now Playing14minThe Big Bang, Cosmology part 1: Crash Course Astronomy #42
- Now Playing14minIs The Wave Function The Building Block of Reality?
- Now Playing12minThe Alchemy of Neutron Star Collisions
Beat Making Lab
- 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 Playing3minExclusive Zenga (Music Video) by Flamme Kapaya
- Now Playing3minBeat Making Challenge #2: Kora Riddim
- Now Playing4minDiablos (music video)
- Now Playing3minEpisode 1: Goma, Congo
- 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 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 Playing5minBehind the Beat: Portobelo
- Now Playing2minWhat's In the Backpack?
- Now Playing3minBeat Making Challenge #1: Accordion Trap
Infinite Series
- Now Playing9minProving Brouwer's Fixed Point Theorem
- Now Playing14minMaking Probability Mathematical
- Now Playing8minAre Prime Numbers Made Up?
- Now Playing14minTopology Riddles | Infinite Series
- Now Playing9minAssociahedra: The Shapes of Multiplication
- Now Playing10minThe Mathematics of Diffie-Hellman Key Exchange
- Now Playing9minCan You Solve the Poison Wine Challenge?
- Now Playing10minUnraveling DNA with Rational Tangles
- Now Playing12minProving Pick's Theorem
- Now Playing11minVoting Systems and the Condorcet Paradox
- Now Playing11minTopology vs "a" Topology
- Now Playing13minNetwork Mathematics and Rival Factions | Infinite Series
- Now Playing14minInfinite Chess
- Now Playing14minWhy Computers are Bad at Algebra
- Now Playing11minWhat are Numbers Made of?
- Now Playing11minCan We Hear Shapes?
- Now Playing10minInstant Insanity Puzzle
- Now Playing14minSolving the Wolverine Problem with Graph Coloring
- Now Playing8minA Breakthrough in Higher Dimensional Spheres
- Now Playing12minHow Infinity Explains the Finite
Idea Channel
- Now Playing8minIs Developing Artificial Intelligence (AI) Ethical?
- Now Playing3minIs the Web Browser Replacing the Art Gallery?
- Now Playing5minAre You a Hipster?
- 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?
- Now Playing3minAre Holograms Nostalgia or a New Form of Art?
- Now Playing3minAre Holograms Nostalgia or a New Form of Art?
- Now Playing8minIs Sad Music Actually Sad?
- Now Playing4minThe Bronies Phenomenon
- Now Playing5minIs Facebook Changing Our Identity?
- Now Playing4minHas the Microsoft Kinect revolutionized art?
- Now Playing6minWhat do MP3s and Magic Spells Have in Common?
- Now Playing6minAre MP3s & Vinyl Better than Live Music?
- Now Playing7minCan Dungeons & Dragons Make You Confident & Successful?
- Now Playing9minIs Community a Postmodern Masterpiece?
- Now Playing8minIs Piracy Helping Game of Thrones?
- Now Playing4minIs Twitter the Newest Form of Literature?