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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 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
- Now Playing8minWhat Was The Earliest Surgery?
It's Okay to Be Smart
- Now Playing5minShould You Eat Everyday?
- Now Playing5minEvolution: The Book Of Life
- Now Playing5minIs Big Data Getting Too Big?
- Now Playing4minThe Cosmic Afterglow
- Now Playing5minIs Big Data Getting Too Big?
- Now Playing6minAsteroid Mining: Our Ticket To Living Off Earth?
- Now Playing6minHow Do Bees Make Honey?
- Now Playing6minPigeon Story: How the Rock Dove Became the Sky Rat
- Now Playing8minWhy Do We Have to Sleep
- Now Playing5minWhy Does The Earth Have Layers?
- Now Playing9minWhat If You Never Forgot Anything?
- Now Playing6minWhy Do Clouds Stay Up?
- Now Playing6minWhy Are There As Many Males As Females?
- Now Playing13minWhere Did Life Come From? (feat. PBS Space Time and Eons!)
- Now Playing7minHow the Meter Became The Meter
- Now Playing4minA Slice of Pizza Science!
- Now Playing6minWhy Do We Cook?
- Now Playing2minCan Evolution Make an Eye? - 12 Days of Evolution #4
- Now Playing5minThe Auroras
- Now Playing5minExoplanets: Are There Other Earths?
Origin of Everything
- Now Playing10min6 Weird Facts About the History of Birth Control
- Now Playing10minWhy Do We Have Hobbies?
- 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 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 Playing9minDoes the Rorschach Inkblot Test Work?
- Now Playing10minHow Did Martin Luther King Jr. Get a Holiday?
- Now Playing9minCan Tattoos Be Taboo?
- Now Playing8minWhere Does the #Hashtag Symbol Come From?
- Now Playing8minWhy Do Kids Have Their Own Bedrooms?
- Now Playing9minWhat If There Were No Taxes?
- Now Playing11minWhy Are We Obsessed with Cults?
- Now Playing10minWould You Have Joined the American Revolution?
- Now Playing6minWhy it Was Illegal to be Ugly?
- Now Playing8minWhere does the Nuclear Family Come From?
Two Cents
- Now Playing8min5 Ways People Are Dumb About Money
- Now Playing6minHow Do You Actually Buy A House?
- Now Playing6minWhat is The Cost of Pet Ownership?
- Now Playing6minShould I Buy Bitcoin?
- Now Playing8minAre "Free" Video Games Really Free?
- Now Playing6minDoes Wealth Make You Meaner?
- Now Playing6minWhat the Heck Are Mutual Funds?
- Now Playing4minWhat is the DOW?
- Now Playing6minThe Ugly Truth About Airline Miles
- Now Playing6minShould You Break Up With Your Big Bank?
- Now Playing7minIs the Stock Market Just a Big Casino?
- Now Playing5minBudgeting Basics
- Now Playing5minHow are credit scores calculated?
- Now Playing8min5 Strange Investor Crazes!
- Now Playing5minHow Do Your Tax Dollars Get Spent?
- Now Playing7minLove and Money
- Now Playing6minDo I Need To Buy A House?
- Now Playing7minIs It Even POSSIBLE to Save for Retirement?
- Now Playing6minHacking Your Brain to Get Out Of Debt
- Now Playing7minCan You Really Retire in Your 30s?
Monstrum
- Now Playing20minWhy George Romero Changed Zombies Forever
- Now Playing9minKrampus: Origins of the Yuletide Monster
- Now Playing14minHero, Beast, or Both? The Complex Lore of the Centaur
- Now Playing10minA Giant Monster With a Giant Problem
- Now Playing17minThe Origins of the Zombie, from Haiti to the U.S.
- Now Playing10minEl Silbón: The Deadly Whistler of the Grasslands
- Now Playing10minSlender Man: How The Internet Created a Monster
- 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 Playing11minIs Siren Head the Ultimate Modern Monster?
- Now Playing6minThe Original Headless Horseman
- 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 Playing12minHow Gargoyles Became Monsters
- Now Playing11minThe Macabre Origins of the Grim Reaper
- Now Playing26minThe Killer Origins of the Werewolf
- Now Playing9minAdze: the Shapeshifting Firefly from West Africa
Eons
- Now Playing9minOur Bizarre, Possibly Venomous, Relative
- Now Playing9minThe Evolution of the Heart (A Love Story)
- Now Playing10minFAQs From Our First Year
- Now Playing8minWhere Are All The Squid Fossils?
- Now Playing7minUntangling the Devil's Corkscrew
- Now Playing8minThe Biggest Frog that Ever Lived
- Now Playing7minThe Return of Giant Skin-Shell Sea Turtles
- Now Playing10minThe Pandemic That Lasted 15 Million Years
- Now Playing10minWhen Camels Roamed North America
- Now Playing9minHow the Andes Mountains Might Have Killed a Bunch of Whales
- Now Playing10minHow Snake Venom Sparked An Evolutionary Arms Race
- Now Playing8minDid An Ancient Pathogen Reshape Our Cells?
- Now Playing12minThe Island of Huge Hamsters and Giant Owls
- Now Playing7minThe Other Explosion You Should Know About
- Now Playing7minHow the T-Rex Lost Its Arms
- Now Playing11minHow Ancient Whales May Have Changed the Deep Ocean
- Now Playing6minThe Most Useful Fossils In The World
- Now Playing11minHow Volcanoes Froze the Earth...Twice
- Now Playing6minThe Age of Giant Insects
- Now Playing7minHow the Smallest Animal Got So Simple
Hot Mess
- Now Playing7minHow To Make Clothes Less Terrible for the Planet
- Now Playing9minHow to Talk About Climate Change
- Now Playing8minHow One Conservative Texas Town Went 100% Renewable
- Now Playing5minHow A Sticker Kept 3 Billion Tons of CO2 Out of The Air
- Now Playing6minWould Your Neighbors Save You From a Flooding Home?
- Now Playing5minWhy We Confuse Weather and Climate
- Now Playing3minCould climate change make you allergic to meat?
- Now Playing4minCould Space Mirrors Cool The Globe?
- 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
- Now Playing5minWhy Don't We Hear About the Ozone Hole Anymore?
- 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 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
Space Time
- Now Playing7minAre We Alone? Galactic Civilization Challenge
- Now Playing15minHow To Simulate The Universe With DFT
- Now Playing13minComputing a Universe Simulation
- Now Playing17minDid AI Prove Our Proton Model Wrong?
- Now Playing14minSpace DOES NOT Expand Everywhere
- Now Playing13minThe First Quantum Field Theory
- Now Playing13minZeno's Paradox & The Quantum Zeno Effect
- Now Playing10minWhat Do Stars Sound Like?
- Now Playing11minThe Future of Space Telescopes
- Now Playing10minHow Much Information is in the Universe?
- Now Playing10minShould Space be Privatized?
- Now Playing8minShould the First Mars Mission Be All Women?
- Now Playing10minExtinction by Gamma-Ray Burst
- Now Playing10minSelf-Replicating Robots and Galactic Domination
- Now Playing13minDo Black Holes Create New Universes?
- Now Playing10minStrange Stars
- Now Playing13minWhite Holes
- Now Playing12minThe Many Worlds of the Quantum Multiverse
- Now Playing10minHave Gravitational Waves Been Discovered?!?
- Now Playing10minTime Crystals!
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 Playing9minA Hierarchy of Infinities
- Now Playing15minArrow's Impossibility Theorem
- Now Playing14minInfinite Chess
- Now Playing11minVoting Systems and the Condorcet Paradox
- Now Playing15minDissecting Hypercubes with Pascal's Triangle
- Now Playing9minBeyond the Golden Ratio
- Now Playing11minSingularities Explained
- Now Playing8minHow to Divide by "Zero"
- Now Playing9minHow Many Humans Have the Same Number of Body Hairs?
- Now Playing10minThe Assassin Puzzle
- Now Playing10minUnraveling DNA with Rational Tangles
- Now Playing9minHow Many Humans Have the Same Number of Body Hairs?
- Now Playing12minThe Honeycombs of 4-Dimensional Bees ft. Joe Hanson
- Now Playing14minTopology Riddles | Infinite Series
- Now Playing16minHow to Break Cryptography
- 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 Playing12minThe Honeycombs of 4-Dimensional Bees ft. Joe Hanson
- Now Playing10minThe Assassin Puzzle
Idea Channel
- Now Playing8minIs a Tagged Instagram More Than Just a Photo?
- Now Playing4minFrom Sherlock Holmes to 50 Shades of Grey
- Now Playing3minIs the Web Browser Replacing the Art Gallery?
- Now Playing5minNicolas Cage, Taoism, and YOLO
- Now Playing9minWill Kickstarter Replace Hollywood?
- Now Playing4minHas the Microsoft Kinect revolutionized art?
- Now Playing4minIs Twitter the Newest Form of Literature?
- Now Playing5minIs William Gibson A Modern Day Oracle?
- Now Playing4minAre Mashups the End of Music Genres?
- Now Playing4minRussian Meteorites and Surveillance Culture
- Now Playing4minAre LOLCats and Internet Memes Art?
- Now Playing7minHow are Justin Bieber, Franz Liszt and Jerusalem Connected?
- Now Playing5minAre Olympic Competitors Geniuses?
- Now Playing5minAre Memes and Internet Culture Creating a Singularity?
- Now Playing5minIs William Gibson A Modern Day Oracle?
- Now Playing6minIs Minecraft the Ultimate Educational Tool?
- Now Playing3minAn Interview with Minecraft EDU Creator Joel Levin
- Now Playing4minThe Bronies Phenomenon
- Now Playing9minIs a DOS Attack a Weapon?
- Now Playing5minA Visit to Mr. Monfre's Class