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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 Playing7minThe Strange Science of the Placebo Effect
- Now Playing7minEngines of Destruction: How Hurricanes Work
- Now Playing5minThe Cosmic Origins of Earth's Water
- Now Playing6minInside an ICE CAVE! - Nature's Most Beautiful Blue
- Now Playing7minWhat Are The Most Important Science Images Ever?
- Now Playing7minIs Your Brain Too Old For Video Games?
- Now Playing6minThe Science of Kissing
- Now Playing6minDo Plants Think?
- Now Playing4minThis Is Not a Rainbow
- Now Playing6minHow the Toilet Changed History
- Now Playing5minThe Superb Owl!
- Now Playing5minI Don't Think You're Ready for These Jellies
- Now Playing8minIs There Intelligent Life Beyond Earth?
- Now Playing8minIs Ultron Inevitable?
- Now Playing5minAre You Smarter Than A Slime Mold?
- Now Playing4minHow The Elements Got Their Names
- Now Playing4minWhose Air do we Share?
- Now Playing4minCuttlefish: Tentacles In Disguise
- Now Playing7minWhy Do You Love Your Family?
- Now Playing5minHow Science Defines A Year
Origin of Everything
- Now Playing10minThe Origin of Race in the USA
- Now Playing9minHow Did Edison Invent Christmas Lights?
- Now Playing5minWhat Was Jesus' Real Name?
- Now Playing10minDo Standardized Tests Do More Harm Than Good?
- Now Playing10minHow Did Makeup Ads Go From Style to Science?
- Now Playing11minWhy Do We Have Private Prisons?
- Now Playing8minWhere does the Nuclear Family Come From?
- Now Playing6minWhy it Was Illegal to be Ugly?
- Now Playing10minWould You Have Joined the American Revolution?
- Now Playing11minWhy Are We Obsessed with Cults?
- Now Playing9minWhat If There Were No Taxes?
- Now Playing8minWhy Do Kids Have Their Own Bedrooms?
- Now Playing8minWhere Does the #Hashtag Symbol Come From?
- Now Playing9minCan Tattoos Be Taboo?
- Now Playing9minDoes the Rorschach Inkblot Test Work?
- Now Playing10minHow Did Martin Luther King Jr. Get a Holiday?
- Now Playing10minWhy Does the Government Need to Know My Race?
- Now Playing11minWhy Does the Government Pay for Art?
- Now Playing7minWhy are 18 Year Olds Considered Adults?
- Now Playing9minCan Tattoos Be Taboo?
Two Cents
- 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 Playing5minBudgeting Basics
- Now Playing7minIs the Stock Market Just a Big Casino?
- Now Playing4minWhat is the DOW?
- Now Playing6minShould You Break Up With Your Big Bank?
- Now Playing6minThe Ugly Truth About Airline Miles
- Now Playing6minWhat the Heck Are Mutual Funds?
- Now Playing6minDoes Wealth Make You Meaner?
- Now Playing5minHow Do Your Tax Dollars Get Spent?
- Now Playing5minHow are credit scores calculated?
- Now Playing8min5 Strange Investor Crazes!
- Now Playing6minWomen Financial Superpowers
- Now Playing6minMoving Without Spending a Fortune
- Now Playing5minHow Cars Can Keep You Poor
- Now Playing6minWhat Are The Most Lucrative Trades?
- Now Playing7minCan You Really Retire in Your 30s?
Monstrum
- Now Playing17minThe Origins of the Zombie, from Haiti to the U.S.
- Now Playing10minSlender Man: How The Internet Created a Monster
- Now Playing10minEl Silbón: The Deadly Whistler of the Grasslands
- 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 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 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 Playing17minTrolls: Scandinavia's Malevolent, Magical Outcasts
- Now Playing11minIs Siren Head the Ultimate Modern Monster?
- Now Playing6minThe Original Headless Horseman
- Now Playing12minHave Humans Always Feared Sharks?
- Now Playing11minMapinguari: Fearsome Beast and Protector of the Amazon
Eons
- Now Playing8minThe Traits That Spawned the Age of Mammals
- Now Playing10minWhen Did We Stop Being Naked?
- Now Playing10minWhy Triassic Animals Were Just the Weirdest
- Now Playing12minThat Time the Mediterranean Sea Disappeared
- Now Playing8minThe Weird, Watery Tale of Spinosaurus
- Now Playing10minHow Worm Holes Ended Wormworld
- Now Playing8minHow the Chalicothere Split In Two
- Now Playing10minHow a Supervolcano Ignited an Evolutionary Debate
- Now Playing10minWhen Camels Roamed North America
- Now Playing13minWhen We Met Other Human Species
- Now Playing6minLiving Fossils' Aren't Really a Thing
- Now Playing11minWhy Only Earth Has Fire
- Now Playing9minThe Curious Case of the Cave Lion
- Now Playing10minHow a Supervolcano Made the Cenozoic's Coolest Fossils
- Now Playing9minThe Evolution of the Heart (A Love Story)
- Now Playing9minOur Bizarre, Possibly Venomous, Relative
- Now Playing8minThe Biggest Frog that Ever Lived
- Now Playing7minUntangling the Devil's Corkscrew
- Now Playing10minFAQs From Our First Year
- Now Playing8minWhere Are All The Squid Fossils?
Hot Mess
- 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 Playing11minClimate Change is Too Big for our Brains feat. Mike Rugnetta
- Now Playing6minWhat Indigenous Communities Teach Us About Climate Change
- Now Playing5minWe've Ignored Climate Change For More Than a Century
- Now Playing5minBeef Is Bad For The Climate. Can We Make It Better?
- Now Playing5minWhat the Cutest Animal Can Teach Us About Saving Ourselves
- Now Playing6minWhat if Carbon Emissions Stopped Tomorrow?
- 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 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 Playing3minCould climate change make you allergic to meat?
- Now Playing4minCould Space Mirrors Cool The Globe?
- Now Playing5minWhy We Confuse Weather and Climate
- Now Playing6minWould Your Neighbors Save You From a Flooding Home?
- Now Playing5minCan Farms and Forests Coexist?
Space Time
- Now Playing10minS2: Is Quantum Tunneling Faster than Light?
- Now Playing16minWhat Supernova Distance Would Trigger Mass Extinction?
- Now Playing9minThe True Nature of Matter and Mass
- Now Playing14min'Oumuamua Is Not Aliens
- Now Playing12minThe Nature of Nothing
- Now Playing12minAre the Fundamental Constants Changing?
- Now Playing14minAre Dark Matter And Dark Energy The Same?
- Now Playing16minWhat Happens If We Nuke Space?
- Now Playing15minAre Black Holes Actually Fuzzballs?
- Now Playing11minIs Gravity An Illusion?
- Now Playing10minTime Crystals!
- Now Playing13minAre There Infinite Versions of You?
- Now Playing7minAre We Alone? Galactic Civilization Challenge
- Now Playing13minWill You Travel to Space?
- Now Playing13minDid Dark Energy Just Disappear?
- Now Playing13minDoes Gravity Require Extra Dimensions?
- Now Playing14minOur Antimatter, Mirrored, Time-Reversed Universe
- Now Playing11minWhen Quasars When Quasars Collide STJC
- Now Playing10minWhat Physics Teachers Get Wrong About Tides!
- Now Playing14minDoes Consciousness Influence Quantum Mechanics?
Beat Making Lab
- Now Playing2minMashup: National Anthems
- Now Playing10minHeartbeats of Fiji
- Now Playing3minGet Your Drums Right
- Now Playing2minField Trip: Prison Beats
- Now Playing3minPanama: Meet the Kids Behind the Beats
- Now Playing3minBeat Making Challenge #1: Accordion Trap
- Now Playing5minBehind the Beat: Portobelo
- Now Playing2minWhat's In the Backpack?
- Now Playing2minWalshy Fire [of Major Lazer] Wants Your Riddims
- Now Playing4minCho Cho Cho (Music Video) filmed in Goma, Congo
- Now Playing3min#FijiChallenge w/ Walshy Fire of Major Lazer
- Now Playing3minProf. Angel Sound Prison Beats Interview
- 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 Playing4minTrapped In Paradise
- Now Playing2minHealth Worker Beat
- Now Playing3minSampling w/ Flip Flops and Ski Beatz
Infinite Series
- Now Playing8minTelling Time on a Torus
- Now Playing11minDefining Infinity
- Now Playing17minSplitting Rent with Triangles
- Now Playing15minDissecting Hypercubes with Pascal's Triangle
- Now Playing13minNetwork Mathematics and Rival Factions | Infinite Series
- Now Playing10minInstant Insanity Puzzle
- Now Playing11minWhat are Numbers Made of?
- Now Playing14minMaking Probability Mathematical
- Now Playing12minProving Pick's Theorem
- Now Playing11minThe Geometry of SET
- Now Playing14minBuilding an Infinite Bridge
- Now Playing9minAssociahedra: The Shapes of Multiplication
- Now Playing16minHow to Break Cryptography
- Now Playing8minTelling Time on a Torus
- Now Playing8minThe Multiplication Multiverse
- Now Playing14minCan We Combine pi & e to Make a Rational Number?
- Now Playing11minWhat was Fermat's "Marvelous" Proof?
- Now Playing13minWhat is a Random Walk?
- Now Playing14minHow Big are All Infinities Combined? (Cantor's Paradox)
- Now Playing14minKill the Mathematical Hydra
Idea Channel
- Now Playing5minIs CSS and Website Design a Fashion Statement?
- Now Playing5minAre Olympic Competitors Geniuses?
- Now Playing9minIs the Universe a Computer?
- Now Playing5minHow will the Animated GIF affect the Presidential Election?
- Now Playing9minCan Video Games Become the Next Spectator Sport?
- Now Playing8minDo Knock-Offs Prove the Value of a Brand?
- Now Playing4minAre Mashups the End of Music Genres?
- Now Playing6minWhat Do Santa and Wrestling Have In Common?
- Now Playing6minWhat do MP3s and Magic Spells Have in Common?
- Now Playing5minIs Facebook Changing Our Identity?
- Now Playing9minIs a DOS Attack a Weapon?
- Now Playing3minAn Interview with Minecraft EDU Creator Joel Levin
- Now Playing4minThe Bronies Phenomenon
- Now Playing6minShould "Happy Birthday" be Protected by Copyright?
- Now Playing6minIs Doctor Who a Religion?
- Now Playing5minIs Homestuck the Ulysses of the Internet?
- Now Playing5minThere's No Such Thing as Online?!?
- Now Playing5minA Visit to Mr. Monfre's Class
- Now Playing6minThe Retro Awesomeness of Adventure Time
- Now Playing4minRussian Meteorites and Surveillance Culture