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MonstrumAn original PBS web series.
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- Now Playing14minOur Understanding of Floods is ALL Wrong
- Now Playing22minCan AI Help Us Talk to Whales?
- Now Playing16minWhy Is The World Rushing Back To The Moon?
- 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?
It's Okay to Be Smart
- Now Playing6minWhat's The Hottest Hot and Coldest Cold?
- Now Playing7minMusical Tesla Coils in Slow Motion! Featuring Physics Girl
- Now Playing5minЩΉӨ BЦIƬ ƬΉΣ PYЯΛMIDƧ - Who Built The Pyramids
- Now Playing8minAsteroids, Meteors, and Comets... OH MY!!!
- Now Playing6minWhy Did We Blow On Nintendo Games?
- Now Playing9minWhat If You Never Forgot Anything?
- Now Playing3minYour Mom is LITERALLY Part Of You!
- Now Playing6minAsteroid Mining: Our Ticket To Living Off Earth?
- Now Playing5min23 Reasons to be Cheerful (Thanks to Science!)
- Now Playing5minThe Cosmic Origins of Earth's Water
- Now Playing8minWhere On Earth Do You Weigh The Least?
- Now Playing5minClaude Monet Was Half Honeybee
- Now Playing8minThe Science of BBQ!!!
- Now Playing5minHow Much Plastic is in the Ocean?
- Now Playing5minRemembering Carl Sagan
- Now Playing4minWhat Is Fire?
- Now Playing5minHow Many Smells Can You Smell?
- Now Playing3minWhere Does the Smell of Rain Come From?
- Now Playing5minWhy Does February Have 28 Days?
- Now Playing4minHow Ingenious Animals Have Engineered Air Conditioning
Origin of Everything
- Now Playing9minHow Did Edison Invent Christmas Lights?
- Now Playing5minWhat Was Jesus' Real Name?
- Now Playing10minThe Origin of Race in the USA
- Now Playing8minWhere does the Nuclear Family Come From?
- 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 Playing11minWhy Are We Obsessed with Cults?
- Now Playing6minWhy it Was Illegal to be Ugly?
- Now Playing10minWould You Have Joined the American Revolution?
- Now Playing9minWhat If There Were No Taxes?
- Now Playing8minWhy Do Kids Have Their Own Bedrooms?
- Now Playing8minWhere Does the #Hashtag Symbol Come From?
- Now Playing7minWhy are 18 Year Olds Considered Adults?
- Now Playing9minCan Tattoos Be Taboo?
- Now Playing11minModern Warfare and Alien Invasions
- 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?
Two Cents
- Now Playing9minHow Smart Entrepreneurs Think About PRICES!
- Now Playing6minI'm Young & Healthy, Can I Skip Health Insurance?
- Now Playing6minIs My Identity Safe From Hackers?
- Now Playing6minFighting the Wedding Industrial Complex
- Now Playing7minWhich College Majors Give the Most Bang for Your Buck?
- Now Playing7minMoney, A Global Game of Trust
- Now Playing5minDo Kids Need to Learn About Money?
- Now Playing5minInsta-Everything
- Now Playing7minHow Retailers Stalk You Online
- Now Playing7minFighting the Financial Pitfalls of the Supermarket
- Now Playing7minIs Your Side Hustle Hustling You?
- Now Playing7minShould I Invest In Cannabis Stocks?
- Now Playing7minWhat's The Real Cost of Dying?
- Now Playing6minHow to Ask for a Raise
- Now Playing6minTop 5 Biggest Financial Scams
- Now Playing7minWhy It's More Expensive To Be Poor
- Now Playing5minBudgeting Basics
- Now Playing7minIs the Stock Market Just a Big Casino?
- Now Playing6minThe Ugly Truth About Airline Miles
- Now Playing6minShould You Break Up With Your Big Bank?
Monstrum
- Now Playing12minThe Origins of 'Big Bug' Science Fiction
- Now Playing13minLeprechaun: From Gold-Loving Cobbler to Cultural Icon
- Now Playing17minModern Zombies: The Rebirth of the Undead
- Now Playing10minIs Yuki-onna the Most Terrifying Snow Monster?
- Now Playing10minHow Bloody Mary Turns Fear Into Fun
- Now Playing11minCan All Monsters Be Traced Back to Tiamat?
- Now Playing10minThe Enchanting Fairies of Celtic Lore
- Now Playing10minPontianak: The Vampiric Ghost of Southeast Asia
- Now Playing10minYara-ma-yha-who: Australia's Regurgitating, Blood-Sucking Mo
- Now Playing15minBaba Yaga: The Ancient Origins of the Famous 'Witch'
- Now Playing8minWerehyena: The Terrifying Shapeshifters of African Lore
- Now Playing13minWhat Happened During Our Scary Slumber Party
- Now Playing12minDeath Worms: Fact or Fiction?
- Now Playing13minThe SCP Foundation: Declassified
- Now Playing11minBasilisk or Cockatrice? The Mysterious King of Serpents
- Now Playing10minJorōgumo: The Deadly Spider Woman from Yokai Lore
- Now Playing10minWill-o'-the-Wisp: Monstrous Flame or Scientific Phenomenon?
- Now Playing6minThe Origin of Medusa
- Now Playing6minRethinking Frankenstein's Monster
- Now Playing11minThe Original Urban Legend: Spring-Heeled Jack
Eons
- Now Playing10minHow We Figured Out Fermentation
- Now Playing9minHow Plankton Created A Bizarre Giant of the Seas
- Now Playing7minThe Creature That Stumped Darwin
- Now Playing8minWhen Trees Took Over the World
- Now Playing10minHow Plants Caused the First Mass Extinction
- Now Playing11minThe Hazy Evolution of Cannabis
- Now Playing12minYour Place in the Primate Family Tree
- Now Playing5minWhen Did the First Flower Bloom?
- Now Playing6minThe Search for the Earliest Life
- Now Playing9minDid a Tsunami Swallow Part of Europe?
- Now Playing4minThe Tully Monster & Other Problematic Creatures
- Now Playing11minThe Age of Reptiles in Three Acts
- Now Playing13minWere These Monsters Inspired by Fossils?
- Now Playing6minWhat Colors Were Dinosaurs?
- Now Playing11minThe Triassic Reptile With "Two Faces"
- Now Playing11minThe Mystery Behind the Biggest Bears of All Time
- Now Playing5minThe Biggest Thing That Ever Flew
- Now Playing6minWhen The Earth Was Purple
- Now Playing11minWhen Penguins Went From The Sky To The Sea
- Now Playing8minThe Mystery of the Eocene's Lethal Lake
Hot Mess
- Now Playing5minWhy Don't We Hear About the Ozone Hole Anymore?
- Now Playing7minHow To Make Clothes Less Terrible for the Planet
- Now Playing6minHow To Suck Carbon Dioxide Out of the Sky
- Now Playing5minWho Should Pay To Fix Climate Change?
- Now Playing5minWho Should Pay To Fix Climate Change?
- Now Playing5minClimate change will push millions out. Where will they go?
- Now Playing6minWill Big Oil Have To Pay Up Like Big Tobacco?
- Now Playing6minCan We Get Solar Power To Everyone Who Wants It?
- Now Playing6minWhat If We Burned All The World's Fossil Fuels?
- Now Playing10minAre You Scared Enough? feat. David Wallace-Wells
- Now Playing5minWhy Climate Change is Unjust
- Now Playing10minFeeling Guilty About Climate Change feat. Hank Green
- Now Playing6minWhat Indigenous Communities Teach Us About Climate Change
- Now Playing6minHow To Suck Carbon Dioxide Out of the Sky
- Now Playing10minFeeling Guilty About Climate Change feat. Hank Green
- Now Playing7minWhat's The Best Car For The Climate?
- Now Playing6minWhat If We Burned All The World's Fossil Fuels?
- Now Playing7minWhat's The Best Car For The Climate?
- Now Playing5minWhat Happened to Nuclear Power?
- Now Playing3minCould climate change make you allergic to meat?
Space Time
- Now Playing8minAbsolute Cold
- Now Playing14minWhat If Physics IS Not Describing Reality?
- Now Playing10minS2: The Strange Universe of Gravitational Lensing
- Now Playing11minSupervoids vs Colliding Universes!
- Now Playing14minGamma-Ray Bursts: Crash Course Astronomy #40
- Now Playing3minThe Leap Second Explained
- Now Playing12minReversing Entropy with Maxwell's Demon
- Now Playing11minNo Dark Matter = Proof of Dark Matter?
- Now Playing12minWhat's On The Other Side Of A Black Hole?
- Now Playing13minHow Will the Universe End?
- Now Playing14minOur Antimatter, Mirrored, Time-Reversed Universe
- Now Playing10minThe Death of the Sun
- Now Playing14minSecrets of the Cosmic Microwave Background
- Now Playing14min'Oumuamua Is Not Aliens
- Now Playing9minWill Mars or Venus Kill You First?
- Now Playing18minWhat If Gravity is Not Quantum?
- Now Playing11minSuperluminal Time Travel + Time Warp Challenge Answer
- Now Playing13minSound Waves from the Beginning of Time
- Now Playing9minGeneral Relativity & Curved Spacetime Explained!
- Now Playing11minStar Clusters: Crash Course Astronomy #35
Beat Making Lab
- Now Playing3minFemale Hip Hop Crew Makes Beats in Senegal
- Now Playing3minBeat Making Challenge #2: Kora Riddim
- Now Playing3minExclusive Zenga (Music Video) by Flamme Kapaya
- Now Playing4minDiablos (music video)
- Now Playing3minEpisode 1: Goma, Congo
- 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 Playing3minBehind The Beat: First Beat Making Lab (2011)
- Now Playing4minPortobelo (music video)
- Now Playing4minTrapped In Paradise
- Now Playing2minHealth Worker Beat
- Now Playing3minPanama: Meet the Kids Behind the Beats
- Now Playing2minWhat's In the Backpack?
- Now Playing5minBehind the Beat: Portobelo
- Now Playing3minBeat Making Challenge #1: Accordion Trap
- Now Playing10minHeartbeats of Fiji
- Now Playing2minMashup: National Anthems
- Now Playing2minField Trip: Prison Beats
- Now Playing3minGet Your Drums Right
Infinite Series
- Now Playing15minArrow's Impossibility Theorem
- Now Playing9minA Hierarchy of Infinities
- Now Playing10minThe Assassin Puzzle
- 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 Playing10minUnraveling DNA with Rational Tangles
- Now Playing9minHow Many Humans Have the Same Number of Body Hairs?
- Now Playing8minHow to Divide by "Zero"
- Now Playing11minSingularities Explained
- Now Playing9minBeyond the Golden Ratio
- Now Playing15minDissecting Hypercubes with Pascal's Triangle
- Now Playing14minInfinite Chess
- Now Playing11minVoting Systems and the Condorcet Paradox
- Now Playing14minWhy Computers are Bad at Algebra
- Now Playing17minSplitting Rent with Triangles
- Now Playing12minThe Honeycombs of 4-Dimensional Bees ft. Joe Hanson
- Now Playing10minThe Assassin Puzzle
- Now Playing11minSingularities Explained
- Now Playing13minWhat is a Random Walk?
Idea Channel
- 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?
- Now Playing6minWhat do MP3s and Magic Spells Have in Common?
- Now Playing5minIs Facebook Changing Our Identity?
- Now Playing6minWhat Do Santa and Wrestling Have In Common?
- 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 Playing9minIs a DOS Attack a Weapon?
- Now Playing3minAn Interview with Minecraft EDU Creator Joel Levin
- Now Playing4minThe Bronies Phenomenon
- Now Playing6minThe Retro Awesomeness of Adventure Time
- 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 Playing6minIs Doctor Who a Religion?
- Now Playing6minShould "Happy Birthday" be Protected by Copyright?
- Now Playing5minIs William Gibson A Modern Day Oracle?