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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 Playing10minWhat Do DJs Even Do?
- Now Playing27minNot "Business As Usual"
- Now Playing27minClimate Crossroads
- Now Playing27minWater Whiplash
- Now Playing27minAre We At The Tipping Point?
- Now Playing27minAdapt or Leave?
- Now Playing27minThe Heat is On
- Now Playing11minHow the Himalayas Changed the World
- Now Playing12minHow Black Artists Have Influenced Country Music
- Now Playing10minWhy This Unusual Pattern May Save the Rainforests
It's Okay to Be Smart
- Now Playing7minWhich Life Form REALLY Dominates Earth?
- Now Playing4minCuttlefish: Tentacles In Disguise
- Now Playing3minBuilding Curiosity
- Now Playing3minWhere Does the Smell of Rain Come From?
- Now Playing4minWe're Mainly Microbe: Meet Your Microbiome
- Now Playing8minIs Space A Thing?
- Now Playing5minBeavers: The Smartest Things in Fur Pants
- Now Playing5minWhy Do We Itch?
- Now Playing5minHow Many Heartbeats Do We Get?
- Now Playing3minDoes Evolution Have a Point? 12 Days of Evolution #12
- Now Playing6minThe Delicious Science of CHEESE!
- Now Playing3minYour Mom is LITERALLY Part Of You!
- Now Playing10minExoplanets: Are There Other Earths?
- Now Playing6minThe Surprising Origin of Thanksgiving Foods
- Now Playing9minSo You Want to go to Mars?
- Now Playing6minThe Oldest Living Things In The World
- Now Playing8minThe Deadliest Flu Season in History?
- Now Playing6minHow The Pyramids Were Built (Pyramid Science Part 2)
- Now Playing8minNobel Prizes: Past, Present... and Future?
- Now Playing7minCould You Be Immune To Everything?
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 Playing9minDoes the Rorschach Inkblot Test Work?
- Now Playing10minHow Did Martin Luther King Jr. Get a Holiday?
- 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 Playing6minWomen Financial Superpowers
- Now Playing6minMoving Without Spending a Fortune
- Now Playing6minHacking Your Brain to Get Out Of Debt
- Now Playing6minWhat Are The Most Lucrative Trades?
Monstrum
- Now Playing10minTikbálang: The Filipino Nightmare Shapeshifter
- Now Playing13minUnicorns: Magical Icons or Violent Beasts?
- Now Playing9minPost-Dracula Vampires: From Anne Rice to Twilight
- Now Playing12minWhat Hellhounds Reveal about Humans' Oldest Companion
- Now Playing12minAre Cyborgs Really Monsters?
- Now Playing13minThe Ancient Terror of the Chinese Hopping Corpse, Jiangshi
- Now Playing17minAlien Abduction and UFOs: Why Are Grays So Common?
- Now Playing12minLost in the Backrooms: Exploring the Internet's Creepiest Liminal Space
- Now Playing9minAdze: the Shapeshifting Firefly from West Africa
- Now Playing26minThe Killer Origins of the Werewolf
- Now Playing11minMapinguari: Fearsome Beast and Protector of the Amazon
- Now Playing12minHave Humans Always Feared Sharks?
- Now Playing13minFire Cat or Fire Cart? The History of Japan's Kasha
- Now Playing13minUncovering the Enigma: Sasquatch Sightings
- Now Playing7minKasagonagá: The Cute, Kind Monster We All Need Right Now
- Now Playing11minMari Lwyd: The Skeleton Horse's Deep Past with Christmas
- Now Playing7minAre White Walkers Really Nordic Zombies?
- Now Playing14minThe Untold Secrets of Pokémon's Monster Mythology
- Now Playing7minRelease the Kraken!
- Now Playing12minTaotie: The Mystery of Chinese Mythology's Famous Glutton
Eons
- Now Playing12minHow Sloths Went From the Seas to the Trees
- Now Playing10minThese Fossils Were Supposed To Be Impossible
- Now Playing11minThe Age of Reptiles in Three Acts
- Now Playing9minHow the Squid Lost Its Shell
- Now Playing7minThe Sea Monster from the Andes
- Now Playing12minThe Giant Dinosaur That Was Missing a Body
- Now Playing10minThe Reign of the Hell Ants
- Now Playing4minThe Tully Monster & Other Problematic Creatures
- Now Playing9minHow the Egg Came First
- Now Playing12minThe Humans That Lived Before Us
- Now Playing11minWhy Megalodon (Definitely) Went Extinct
- Now Playing8minWe Met Neandertals Way Earlier Than We Thought
- Now Playing6minThe Age of Giant Insects
- Now Playing6minLiving Fossils' Aren't Really a Thing
- Now Playing10minWhen Dinosaurs Chilled in the Arctic
- Now Playing9minWhy Does Caffeine Exist?
- Now Playing8minHow Two Microbes Changed History
- Now Playing7minHow the T-Rex Lost Its Arms
- Now Playing10minThe Two Viruses That We've Had For Millions of Years
- Now Playing7minHow Horses Went From Food To Friends
Hot Mess
- Now Playing6minWhat Indigenous Communities Teach Us About Climate Change
- Now Playing11minClimate Change is Too Big for our Brains feat. Mike Rugnetta
- Now Playing6minWhat if Carbon Emissions Stopped Tomorrow?
- Now Playing5minClimate change will push millions out. Where will they go?
- 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 Playing9minWill Mars or Venus Kill You First?
- Now Playing18minWhat If Gravity is Not Quantum?
- Now Playing12minQuantum Invariance & The Origin of The Standard Model
- Now Playing13minPilot Wave Theory and Quantum Realism
- Now Playing11minBreaking The Heisenberg Uncertainty Principle
- Now Playing11minWe Are Star Stuff
- Now Playing13minSound Waves from the Beginning of Time
- Now Playing9minGeneral Relativity & Curved Spacetime Explained!
- Now Playing11minSuperluminal Time Travel + Time Warp Challenge Answer
- Now Playing11minStar Clusters: Crash Course Astronomy #35
- Now Playing10minLife on Europa?
- Now Playing6minCould You Fart Your Way to the Moon?
- Now Playing13minHow To Build The Universe in a Computer
- Now Playing11minThe Physics of Life (ft. It's Okay to be Smart & PBS Eons!)
- Now Playing10minNoether's Theorem and The Symmetries of Reality
- Now Playing13minDid Dark Energy Just Disappear?
- Now Playing12minSolving the Impossible in Quantum Field Theory
- Now Playing21minWhat New Science Would We Discover with a Moon Telescope?
- Now Playing9minThe True Nature of Matter and Mass
- Now Playing15minHow We Know The Universe is Ancient
Beat Making Lab
- Now Playing4minPortobelo (music video)
- Now Playing3minBehind The Beat: First Beat Making Lab (2011)
- Now Playing3minSampling w/ Flip Flops and Ski Beatz
- Now Playing2minHealth Worker Beat
- Now Playing4minTrapped In Paradise
- Now Playing3minEpisode 1: Goma, Congo
- Now Playing4minDiablos (music video)
- Now Playing3minBeat Making Challenge #2: Kora Riddim
- Now Playing3minExclusive Zenga (Music Video) by Flamme Kapaya
- Now Playing3minFemale Hip Hop Crew Makes Beats in Senegal
- Now Playing3minProf. Angel Sound Prison Beats Interview
- Now Playing3min#FijiChallenge w/ Walshy Fire of Major Lazer
- Now Playing4minCho Cho Cho (Music Video) filmed in Goma, Congo
- Now Playing2minWalshy Fire [of Major Lazer] Wants Your Riddims
- Now Playing3minBeat Making Challenge #1: Accordion Trap
- Now Playing2minWhat's In the Backpack?
- Now Playing5minBehind the Beat: Portobelo
- Now Playing3minPanama: Meet the Kids Behind the Beats
- Now Playing3minGet Your Drums Right
- Now Playing2minField Trip: Prison Beats
Infinite Series
- Now Playing8minA Breakthrough in Higher Dimensional Spheres
- Now Playing14minSolving the Wolverine Problem with Graph Coloring
- Now Playing10minInstant Insanity Puzzle
- Now Playing11minCan We Hear Shapes?
- Now Playing14minCan We Combine pi & e to Make a Rational Number?
- Now Playing8minThe Multiplication Multiverse
- Now Playing12minHow Infinity Explains the Finite
- Now Playing11minWhat are Numbers Made of?
- Now Playing14minWhy Computers are Bad at Algebra
- Now Playing14minInfinite Chess
- Now Playing11minCan We Hear Shapes?
- Now Playing11minVoting Systems and the Condorcet Paradox
- Now Playing12minProving Pick's Theorem
- Now Playing10minUnraveling DNA with Rational Tangles
- Now Playing10minThe Mathematics of Diffie-Hellman Key Exchange
- Now Playing9minCan You Solve the Poison Wine Challenge?
- Now Playing13minNetwork Mathematics and Rival Factions | Infinite Series
- Now Playing11minTopology vs "a" Topology
- Now Playing8minAre Prime Numbers Made Up?
- Now Playing14minMaking Probability Mathematical
Idea Channel
- Now Playing5minIs William Gibson A Modern Day Oracle?
- Now Playing4minAre Mashups the End of Music Genres?
- Now Playing4minAre LOLCats and Internet Memes Art?
- Now Playing4minRussian Meteorites and Surveillance Culture
- Now Playing5minAre Olympic Competitors Geniuses?
- Now Playing7minHow are Justin Bieber, Franz Liszt and Jerusalem Connected?
- Now Playing5minAre Memes and Internet Culture Creating a Singularity?
- Now Playing6minIs Minecraft the Ultimate Educational Tool?
- Now Playing5minIs William Gibson A Modern Day Oracle?
- Now Playing8minIs a Tagged Instagram More Than Just a Photo?
- Now Playing5minNicolas Cage, Taoism, and YOLO
- Now Playing9minWill Kickstarter Replace Hollywood?
- Now Playing4minFrom Sherlock Holmes to 50 Shades of Grey
- Now Playing3minIs the Web Browser Replacing the Art Gallery?
- Now Playing4minHas the Microsoft Kinect revolutionized art?
- Now Playing4minIs Twitter the Newest Form of Literature?
- Now Playing5minHow will the Animated GIF affect the Presidential Election?
- Now Playing9minIs the Universe a Computer?
- Now Playing5minAre Olympic Competitors Geniuses?
- Now Playing5minIs CSS and Website Design a Fashion Statement?