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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 Playing5min%$?# Allergies!
- Now Playing11minApollo's Most Important Discovery: Inside NASA's Moon Rock V
- Now Playing5minWhy Does The Earth Have Layers?
- Now Playing8minIs Space A Thing?
- Now Playing6minWhat Has New Horizons Taught Us About Pluto?
- Now Playing8minThe Deadliest Flu Season in History?
- Now Playing6minHow An Igloo Keeps You Warm
- Now Playing17minHow Blind People See With Sound
- Now Playing4minWhat Color Is The Moon?
- Now Playing4minGoats!
- Now Playing6minRelationship Advice from the Animal Kingdom
- Now Playing4minThere Was No First Human
- Now Playing5minThe Small Problem With Shrinking Ourselves
- Now Playing3minWhy is the sky any color?
- Now Playing8minThe Science of BBQ!!!
- Now Playing7minWhy People Don't Believe In Climate Science
- Now Playing14minThis Face Changes the Human Story
- Now Playing5minThe Small Problem With Shrinking Ourselves
- Now Playing7minSonic the Hedgehog Is Why You Have Thumbs!
- Now Playing5minWhy Are The Bees Dying?
Origin of Everything
- Now Playing9minWhat If There Were No Taxes?
- Now Playing10minWould You Have Joined the American Revolution?
- Now Playing6minWhy it Was Illegal to be Ugly?
- Now Playing11minWhy Are We Obsessed with Cults?
- 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 Playing8minWhere does the Nuclear Family Come From?
- Now Playing10minThe Origin of Race in the USA
- Now Playing5minWhat Was Jesus' Real Name?
- Now Playing9minHow Did Edison Invent Christmas Lights?
- Now Playing10minWhy Do We Have Hobbies?
- Now Playing10min6 Weird Facts About the History of Birth Control
- Now Playing7minWhy Are There So Few Women in Computer Science?
- Now Playing8minWhy Do We Wash Our Hands After Going to the Bathroom?
- Now Playing6minWhy Do We Have Middle Names?
- Now Playing10minHow Did Martin Luther King Jr. Get a Holiday?
- Now Playing9minDoes the Rorschach Inkblot Test Work?
- Now Playing9minCan Tattoos Be Taboo?
- Now Playing10minWhy Does the Government Need to Know My Race?
Two Cents
- Now Playing6minThe Ugly Truth About Airline Miles
- Now Playing6minShould You Break Up With Your Big Bank?
- Now Playing4minWhat is the DOW?
- Now Playing6minWhat the Heck Are Mutual Funds?
- Now Playing6minDoes Wealth Make You Meaner?
- Now Playing5minBudgeting Basics
- Now Playing7minIs the Stock Market Just a Big Casino?
- Now Playing6minHow Do You Actually Buy A House?
- Now Playing8min5 Ways People Are Dumb About Money
- Now Playing8minAre "Free" Video Games Really Free?
- Now Playing6minShould I Buy Bitcoin?
- Now Playing6minWhat is The Cost of Pet Ownership?
- Now Playing7minIs It Even POSSIBLE to Save for Retirement?
- Now Playing6minDo I Need To Buy A House?
- Now Playing7minLove and Money
- 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?
Monstrum
- Now Playing10minA Giant Monster With a Giant Problem
- Now Playing14minHero, Beast, or Both? The Complex Lore of the Centaur
- Now Playing9minKrampus: Origins of the Yuletide Monster
- Now Playing20minWhy George Romero Changed Zombies Forever
- Now Playing13minMonster Plants and the Humans who Invent Them
- Now Playing12minWho Is This Japanese Yōkai That Is Obsessed With Your Butt?
- Now Playing10minHow a Children's Book Introduced Us To Our Inner Demons
- 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 Playing6minThe Original Headless Horseman
- Now Playing11minIs Siren Head the Ultimate Modern Monster?
- Now Playing17minTrolls: Scandinavia's Malevolent, Magical Outcasts
- Now Playing12minHow Gargoyles Became Monsters
- Now Playing11minThe Macabre Origins of the Grim Reaper
- Now Playing11minWhy Has the Majestic Griffin Been Forgotten?
- Now Playing9minThe Hidden Origins of Nixie, the Scariest Little Mermaid
- Now Playing18minUnlocking the Mystery of Loch Ness
- Now Playing13minUnicorns: Magical Icons or Violent Beasts?
- Now Playing10minTikbálang: The Filipino Nightmare Shapeshifter
Eons
- Now Playing10minHow 7,000 Years of Epic Floods Changed the World
- Now Playing5minStegosaurs: Tiny Brains & Thagomizers
- Now Playing8minThe Extreme Hyenas That Didn't Last
- Now Playing7minWhen Giant Fungi Ruled
- Now Playing9minThe Two People We're All Related To
- Now Playing9minThe Huge Extinctions We Are Just Now Discovering
- Now Playing9minThe Two People We're All Related To
- Now Playing12minCan We Get DNA From Fossils?
- Now Playing10minWhen Ants Domesticated Fungi
- Now Playing6minThe Search for the Earliest Life
- Now Playing12minA Natural History of Mars
- Now Playing10minFAQs From Our First Year
- Now Playing10minA Short Tale About Diplodocus' Long Neck
- Now Playing6minHistory's Most Powerful Plants
- Now Playing13minFrom the Fall of Dinos to the Rise of Humans
- Now Playing10minWhat Will Earth Be Like 300 Million Years From Now?
- Now Playing11minThe Mystery Behind the Biggest Bears of All Time
- Now Playing12minHow Sloths Went From the Seas to the Trees
- Now Playing8minWhat Happened to the World's Biggest Beaver?
- Now Playing10minWhen Crocs Thrived in the Seas
Hot Mess
- Now Playing6minWhat Indigenous Communities Teach Us About Climate Change
- Now Playing11minClimate Change is Too Big for our Brains feat. Mike Rugnetta
- Now Playing5minClimate change will push millions out. Where will they go?
- Now Playing6minWhat if Carbon Emissions Stopped Tomorrow?
- Now Playing5minBeef Is Bad For The Climate. Can We Make It Better?
- Now Playing5minWhat the Cutest Animal Can Teach Us About Saving Ourselves
- Now Playing4minWhy Are Hurricanes Getting Stronger?
- Now Playing5minWe've Ignored Climate Change For More Than a Century
- Now Playing5minHow A Sticker Kept 3 Billion Tons of CO2 Out of The Air
- Now Playing5minWhat Can You Actually Do About Climate Change?
- Now Playing5minWhat's actually the worst greenhouse gas?
- Now Playing6minWhat if Carbon Emissions Stopped Tomorrow?
- Now Playing5minBeef Is Bad For The Climate. Can We Make It Better?
- Now Playing5minWhat the Cutest Animal Can Teach Us About Saving Ourselves
- Now Playing5minWe've Ignored Climate Change For More Than a Century
- Now Playing4minCould Space Mirrors Cool The Globe?
- Now Playing6minCan We Get Solar Power To Everyone Who Wants It?
- Now Playing5minWhat Can You Actually Do About Climate Change?
- Now Playing5minCan Farms and Forests Coexist?
- Now Playing10minThe Link Between Extreme Weather and Climate Change
Space Time
- Now Playing13minPilot Wave Theory and Quantum Realism
- Now Playing10minStrange Stars
- Now Playing12minWhat Happens at the Event Horizon?
- Now Playing13minIs Earth's Magnetic Field Reversing?
- Now Playing14minLoop Quantum Gravity Explained
- Now Playing9minThe Star at the End of Time
- Now Playing14minThe Crisis in Cosmology
- Now Playing13minWhy We Might Be Alone in the Universe
- Now Playing8minKronos: Devourer Of Worlds
- Now Playing10minThe Eye of Sauron Reveals a Forming Solar System!
- Now Playing8minLIGO's First Detection of Gravitational Waves!
- Now Playing13minHow To See Black Holes By Catching Neutrinos
- Now Playing11minThe Misunderstood Nature of Entropy
- Now Playing15minWhat if Singularities DO NOT Exist?
- Now Playing14minWhat are the Strings in String Theory?
- Now Playing14minCould the Universe End by Tearing Apart Every Atom?
- Now Playing15minDark Forest: Should We Not Contact Aliens?
- Now Playing15minDid Life on Earth Come from Space?
- Now Playing10minSelf-Replicating Robots and Galactic Domination
- Now Playing14minThe Crisis in Cosmology
Beat Making Lab
- Now Playing4minDiablos (music video)
- Now Playing3minEpisode 1: Goma, Congo
- 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 Playing3minProf. Angel Sound Prison Beats Interview
- Now Playing3min#FijiChallenge w/ Walshy Fire of Major Lazer
- Now Playing3minBehind The Beat: First Beat Making Lab (2011)
- Now Playing4minPortobelo (music video)
- Now Playing3minSampling w/ Flip Flops and Ski Beatz
- Now Playing2minHealth Worker Beat
- Now Playing4minTrapped In Paradise
- Now Playing5minBehind the Beat: Portobelo
- Now Playing2minWhat's In the Backpack?
- Now Playing3minBeat Making Challenge #1: Accordion Trap
- Now Playing3minPanama: Meet the Kids Behind the Beats
- Now Playing2minField Trip: Prison Beats
- Now Playing3minGet Your Drums Right
- Now Playing10minHeartbeats of Fiji
- Now Playing2minMashup: National Anthems
Infinite Series
- Now Playing11minTopology vs "a" Topology
- Now Playing9minBeyond the Golden Ratio
- Now Playing10minThe Mathematics of Diffie-Hellman Key Exchange
- Now Playing17minHacking at Quantum Speed with Shor's Algorithm
- Now Playing14minBuilding an Infinite Bridge
- Now Playing13minThe Mathematics of Quantum Computers
- 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 Playing14minHow Big are All Infinities Combined? (Cantor's Paradox)
- Now Playing13minWhat is a Random Walk?
- Now Playing9minThis Video was Not Encrypted with RSA
- Now Playing16minHow to Break Cryptography
- 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
Idea Channel
- Now Playing8minDo Knock-Offs Prove the Value of a Brand?
- Now Playing4minAre Mashups the End of Music Genres?
- Now Playing9minCan Video Games Become the Next Spectator Sport?
- Now Playing5minIs Facebook Changing Our Identity?
- Now Playing6minWhat do MP3s and Magic Spells Have in Common?
- 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 Playing5minThere's No Such Thing as Online?!?
- Now Playing5minA Visit to Mr. Monfre's Class
- Now Playing5minIs Homestuck the Ulysses of the Internet?
- Now Playing3minAn Interview with Minecraft EDU Creator Joel Levin
- Now Playing4minThe Bronies Phenomenon
- Now Playing9minIs a DOS Attack a Weapon?
- Now Playing5minAre Memes and Internet Culture Creating a Singularity?