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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 Playing5minDo You Really Have Two Brains?
- Now Playing6minIs Sugar A Drug?
- Now Playing5minCould Planet Minecraft Actually Exist?
- Now Playing9minIs This A NEW SPECIES?!
- Now Playing6minThe Cheerios Effect
- Now Playing13minWhere Did Life Come From? (feat. PBS Space Time and Eons!)
- Now Playing4minThe Romantic Lure of Moonlight
- Now Playing6minInside an ICE CAVE! - Nature's Most Beautiful Blue
- Now Playing6minThe Surprising Origin of Thanksgiving Foods
- Now Playing12minWhat's In a 20,000 Year-Old Cube of Ice?
- Now Playing5minMuch A-Do About Hair
- Now Playing2minThe Sun Is A Magnet!
- Now Playing6minIs Your Eye Color Real?
- Now Playing5minWhy Your Brain Is In Your Head
- Now Playing7minHow Baby Sea Turtles Find Their Way Home
- Now Playing5minSunburn, Sweat and the Science of Summer!
- Now Playing5minThe Superb Owl!
- Now Playing4minWhy Seasons Make No Sense
- Now Playing7minIncredible Tails Of Amazing Whales!
- Now Playing5minThe Only Animal That Weeps
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 Playing11minWhy Do We Have Private Prisons?
- Now Playing10minHow Did Makeup Ads Go From Style to Science?
- Now Playing10minDo Standardized Tests Do More Harm Than Good?
- 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 Playing10min6 Weird Facts About the History of Birth Control
- Now Playing10minWhy Do We Have Hobbies?
- Now Playing8minWhere Does the #Hashtag Symbol Come From?
- Now Playing8minWhy Do Kids Have Their Own Bedrooms?
- Now Playing11minModern Warfare and Alien Invasions
- Now Playing9minCan Tattoos Be Taboo?
Two Cents
- Now Playing5minBudgeting Basics
- Now Playing7minIs the Stock Market Just a Big Casino?
- Now Playing4minWhat is the DOW?
- Now Playing6minThe Ugly Truth About Airline Miles
- Now Playing6minShould You Break Up With Your Big Bank?
- Now Playing6minWhat the Heck Are Mutual Funds?
- Now Playing6minDoes Wealth Make You Meaner?
- 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?
- Now Playing8min5 Ways People Are Dumb About Money
- Now Playing6minWomen Financial Superpowers
- Now Playing6minMoving Without Spending a Fortune
- Now Playing5minHow Cars Can Keep You Poor
- 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 Playing6minDo I Need To Buy A House?
- Now Playing7minIs It Even POSSIBLE to Save for Retirement?
Monstrum
- Now Playing12minWho Is This Japanese Yōkai That Is Obsessed With Your Butt?
- Now Playing13minMonster Plants and the Humans who Invent Them
- Now Playing10minHow a Children's Book Introduced Us To Our Inner Demons
- Now Playing10minSlender Man: How The Internet Created a Monster
- Now Playing10minEl Silbón: The Deadly Whistler of the Grasslands
- Now Playing17minThe Origins of the Zombie, from Haiti to the U.S.
- 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 Playing11minThe Macabre Origins of the Grim Reaper
- Now Playing12minHow Gargoyles Became Monsters
- 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 Playing6minThe Original Headless Horseman
- Now Playing11minIs Siren Head the Ultimate Modern Monster?
- Now Playing17minTrolls: Scandinavia's Malevolent, Magical Outcasts
- Now Playing11minMapinguari: Fearsome Beast and Protector of the Amazon
- Now Playing12minHave Humans Always Feared Sharks?
Eons
- Now Playing9minThe Fossil Record In Your Mouth
- Now Playing11minHow We Identified One of Earth's Earliest Animals
- Now Playing8minWhere Did Viruses Come From?
- Now Playing9minHow the Turtle Got Its Shell
- Now Playing13minFrom the Fall of Dinos to the Rise of Humans
- Now Playing10minWhen Crocs Thrived in the Seas
- Now Playing8minWhat Happened to the World's Biggest Beaver?
- Now Playing12minHow Sloths Went From the Seas to the Trees
- Now Playing11minThe Mystery Behind the Biggest Bears of All Time
- Now Playing8minHow the Chalicothere Split In Two
- Now Playing13minDid Raptorex Really Exist?
- Now Playing8minBeans & Bees (Not Bats) Gave Us Butterflies
- Now Playing7minUntangling the Devil's Corkscrew
- Now Playing7minThe Other Explosion You Should Know About
- Now Playing9minWe Helped Make Mosquitoes A Problem
- Now Playing13minA Brief History of Geologic Time
- Now Playing12minWhen We Took Over the World
- Now Playing10minWhen Pterosaurs Walked
- Now Playing10minGiant Viruses Blur The Line Between Alive and Not
- Now Playing7minIs This The Oldest Dad In The Fossil Record?
Hot Mess
- Now Playing5minHow A Sticker Kept 3 Billion Tons of CO2 Out of The Air
- Now Playing9minHow to Talk About Climate Change
- Now Playing8minHow One Conservative Texas Town Went 100% Renewable
- Now Playing7minHow To Make Clothes Less Terrible for the Planet
- Now Playing6minCan We Get Solar Power To Everyone Who Wants It?
- Now Playing5minCan Farms and Forests Coexist?
- Now Playing5minWhat Can You Actually Do About Climate Change?
- Now Playing10minThe Link Between Extreme Weather and Climate Change
- Now Playing5minWhy Don't We Hear About the Ozone Hole Anymore?
- Now Playing4minCould Space Mirrors Cool The Globe?
- Now Playing5minWhy We Confuse Weather and Climate
- Now Playing3minCould climate change make you allergic to meat?
- Now Playing4minCould Space Mirrors Cool The Globe?
- Now Playing6minWould Your Neighbors Save You From a Flooding Home?
- Now Playing6minWhat if Carbon Emissions Stopped Tomorrow?
- Now Playing4minWhy Are Hurricanes Getting Stronger?
- Now Playing5minWhat the Cutest Animal Can Teach Us About Saving Ourselves
- 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?
Space Time
- Now Playing16minWhat If The Speed of Light is Not Constant?
- Now Playing10minThe Origin of Our First Interstellar Visitor
- Now Playing10minCan You Trust Your Eyes in Spacetime?
- Now Playing13minCould We Move Planet Earth Across the Universe?
- Now Playing9minThe Star at the End of Time
- Now Playing17minDoes Antimatter Create Anti-Gravity?
- Now Playing10minTelescopes of Tomorrow
- Now Playing9minHow Close To The Sun Can Humanity Get?
- Now Playing10minThe Death of the Sun
- Now Playing10minThe End of the Habitable Zone
- Now Playing8minThe Higgs Mechanism Explained
- Now Playing16minThe Equation That Explains (Nearly) Everything!
- Now Playing10minThe Andromeda-Milky Way Collision
- Now Playing15minHow to Find ALIEN Dyson Spheres
- Now Playing12minFeynman's Infinite Quantum Paths
- Now Playing14minSolving the Three Body Problem
- Now Playing11minThe Future of Space Telescopes
- Now Playing11minHabitable Exoplanets Debunked!
- Now Playing15minWhat If Our Understanding of Gravity Is Wrong?
- Now Playing15minWill Wormholes Allow Fast Interstellar Travel?
Beat Making Lab
- Now Playing4minCho Cho Cho (Music Video) filmed in Goma, Congo
- Now Playing2minWalshy Fire [of Major Lazer] Wants Your Riddims
- 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
- 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 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
Infinite Series
- Now Playing17minHacking at Quantum Speed with Shor's Algorithm
- Now Playing9minBeyond the Golden Ratio
- Now Playing10minThe Mathematics of Diffie-Hellman Key Exchange
- Now Playing11minTopology vs "a" Topology
- Now Playing11minThe Geometry of SET
- Now Playing15minArrow's Impossibility Theorem
- Now Playing10minWhat Does It Mean to Be a Number? (The Peano Axioms)
- Now Playing14minCan a Chess Piece Explain Markov Chains?
- Now Playing14minSolving the Wolverine Problem with Graph Coloring
- Now Playing8minA Breakthrough in Higher Dimensional Spheres
- Now Playing14minBuilding an Infinite Bridge
- Now Playing13minThe Mathematics of Quantum Computers
- Now Playing16minHow to Break Cryptography
- Now Playing14minHow Big are All Infinities Combined? (Cantor's Paradox)
- Now Playing9minThis Video was Not Encrypted with RSA
- Now Playing13minWhat is a Random Walk?
- Now Playing10minThe Assassin Puzzle
- Now Playing12minThe Honeycombs of 4-Dimensional Bees ft. Joe Hanson
- Now Playing11minSingularities Explained
- Now Playing14minWhy Computers are Bad at Algebra
Idea Channel
- Now Playing6minWhat do MP3s and Magic Spells Have in Common?
- Now Playing5minIs Facebook Changing Our Identity?
- Now Playing4minHas the Microsoft Kinect revolutionized art?
- Now Playing6minAre MP3s & Vinyl Better than Live Music?
- Now Playing7minCan Dungeons & Dragons Make You Confident & Successful?
- Now Playing4minThe Bronies Phenomenon
- Now Playing3minWhat Makes a Pop Star Authentic?
- Now Playing8minIs Piracy Helping Game of Thrones?
- Now Playing9minIs Community a Postmodern Masterpiece?
- Now Playing4minIs Twitter the Newest Form of Literature?
- Now Playing5minAre You a Hipster?
- Now Playing3minIs the Web Browser Replacing the Art Gallery?
- Now Playing8minIs Developing Artificial Intelligence (AI) Ethical?
- Now Playing3minAre Holograms Nostalgia or a New Form of Art?
- Now Playing3minAre Holograms Nostalgia or a New Form of Art?
- Now Playing6minIs Doctor Who a Religion?
- Now Playing9minDoes Math Really Exist?
- Now Playing8minIs Sad Music Actually Sad?
- Now Playing6minAre Virtual Video Game Economies Becoming Real?
- Now Playing3minSuper Mario Brothers as Surrealist Art?