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MonstrumAn original PBS web series.
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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 Playing5minWhy Are The Bees Dying?
- Now Playing12minRecycling Is Broken. Here's How We Can Fix It.
- Now Playing11minWhy Are So Many People Allergic To Food?
- Now Playing6minThe Science of Snowflakes
- Now Playing7minCould You Be Immune To Everything?
- Now Playing6minHow The Pyramids Were Built (Pyramid Science Part 2)
- Now Playing3minWhy Does Time Go Forward?
- Now Playing2minCan Evolution Create Information? - 12 Days of Evolution #9
- Now Playing6minIs Santa Real? (A Scientific Analysis)
- Now Playing9minThe Sixth Extinction
- Now Playing5minWhat If There Were No Sharks?
- Now Playing5minHow Does A Canyon Become Grand?
- Now Playing7minAre Dinosaurs Extinct?
- Now Playing7minIncredible Tails Of Amazing Whales!
- Now Playing6minHow Do Bees Make Honey?
- Now Playing7minWill You Still Eat Raw Fish After Watching This Video?
- Now Playing8minWhy Is Blue So Rare In Nature?
- Now Playing5minThe Odds of Finding Life and Love
- Now Playing6minWhat's The Hottest Hot and Coldest Cold?
- Now Playing4minThe Cosmic Afterglow
Origin of Everything
- Now Playing10minThe 2nd Amendment Explained
- Now Playing11minWhy Do So Many Religions Have Headwear?
- Now Playing10minWhy Do We Have Hobbies?
- Now Playing7minWhy Do We Eat Popcorn at The Movies?
- Now Playing9minThe Origin of Gender
- Now Playing9minWhy Do All Malls Look the Same?
- Now Playing8minWhere does the Nuclear Family Come From?
- Now Playing7minThe True Origin of Killer Clowns
- Now Playing8minWhy Did Europeans Enslave Africans?
- Now Playing9minThe Origin of Gender
- Now Playing7minWhy Does Santa Wear Red?
- Now Playing8minWhy Do We Get Grades in School?
- Now Playing9minWhy Do We Drink Milk in School?
- Now Playing10minWhat is Ethnicity?
- Now Playing8minWhy Do We Eat Artificial Flavors?
- Now Playing12minWhy Do We Have Housing Projects?
- Now Playing11minWhat is Racial Passing?
- Now Playing6minWhy Do We Have Middle Names?
- Now Playing8minWhy Do People Have Pets?
- Now Playing12minSix Historically True Facts about Money
Two Cents
- 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 Playing6minShould You Break Up With Your Big Bank?
- Now Playing6minThe Ugly Truth About Airline Miles
- 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 Playing8min5 Strange Investor Crazes!
- Now Playing5minHow are credit scores calculated?
- Now Playing5minHow Do Your Tax Dollars Get Spent?
- 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
Monstrum
- 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 Playing13minWhat Happened During Our Scary Slumber Party
- Now Playing12minDeath Worms: Fact or Fiction?
- Now Playing15minBaba Yaga: The Ancient Origins of the Famous 'Witch'
- Now Playing8minWerehyena: The Terrifying Shapeshifters of African Lore
- Now Playing13minThe SCP Foundation: Declassified
- Now Playing12minThe Origins of 'Big Bug' Science Fiction
- Now Playing13minLeprechaun: From Gold-Loving Cobbler to Cultural Icon
- Now Playing10minIs Yuki-onna the Most Terrifying Snow Monster?
- Now Playing17minModern Zombies: The Rebirth of the Undead
- Now Playing10minHow Bloody Mary Turns Fear Into Fun
- Now Playing11minCan All Monsters Be Traced Back to Tiamat?
- Now Playing8minCreepy Clowns: The Horror Behind the Laughter
- Now Playing12minWas Púca the Nightmare Bunny That Inspired Donnie Darko?
- Now Playing11minThe Fatal Song of the Sirens
- Now Playing8minNuckelavee: Scotland's Skinless Evil Monstrosity
- Now Playing14minThe Evolution of Creepy Dolls
- Now Playing10minJorōgumo: The Deadly Spider Woman from Yokai Lore
Eons
- Now Playing11minHow We Identified One of Earth's Earliest Animals
- Now Playing9minThe Fossil Record In Your Mouth
- Now Playing8minWhere Did Viruses Come From?
- Now Playing9minHow the Turtle Got Its Shell
- Now Playing12minHow Sloths Went From the Seas to the Trees
- Now Playing8minWhat Happened to the World's Biggest Beaver?
- Now Playing10minWhen Crocs Thrived in the Seas
- Now Playing13minFrom the Fall of Dinos to the Rise of Humans
- Now Playing11minThe Mystery Behind the Biggest Bears of All Time
- Now Playing7minUntangling the Devil's Corkscrew
- Now Playing13minDid Raptorex Really Exist?
- Now Playing8minBeans & Bees (Not Bats) Gave Us Butterflies
- Now Playing8minHow the Chalicothere Split In Two
- Now Playing12minWhen We Took Over the World
- Now Playing10minWhen Pterosaurs Walked
- Now Playing9minWe Helped Make Mosquitoes A Problem
- Now Playing13minA Brief History of Geologic Time
- Now Playing7minThe Other Explosion You Should Know About
- Now Playing7minIs This The Oldest Dad In The Fossil Record?
- Now Playing10minGiant Viruses Blur The Line Between Alive and Not
Hot Mess
- Now Playing7minHow To Make Clothes Less Terrible for the Planet
- Now Playing5minHow A Sticker Kept 3 Billion Tons of CO2 Out of The Air
- Now Playing8minHow One Conservative Texas Town Went 100% Renewable
- Now Playing9minHow to Talk About Climate Change
- Now Playing5minWhy We Confuse Weather and Climate
- Now Playing4minCould Space Mirrors Cool The Globe?
- Now Playing3minCould climate change make you allergic to meat?
- Now Playing6minWould Your Neighbors Save You From a Flooding Home?
- Now Playing6minCan We Get Solar Power To Everyone Who Wants It?
- Now Playing10minThe Link Between Extreme Weather and Climate Change
- Now Playing5minWhat Can You Actually Do About Climate Change?
- Now Playing5minCan Farms and Forests Coexist?
- Now Playing5minWhy Don't We Hear About the Ozone Hole Anymore?
- Now Playing4minCould Space Mirrors Cool The Globe?
- Now Playing5minWhat the Cutest Animal Can Teach Us About Saving Ourselves
- Now Playing5minBeef Is Bad For The Climate. Can We Make It Better?
- Now Playing5minWe've Ignored Climate Change For More Than a Century
- Now Playing6minWhat if Carbon Emissions Stopped Tomorrow?
- Now Playing5minWe've Ignored Climate Change For More Than a Century
- Now Playing5minWhat the Cutest Animal Can Teach Us About Saving Ourselves
Space Time
- 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 Playing14minSpace DOES NOT Expand Everywhere
- Now Playing17minDid AI Prove Our Proton Model Wrong?
- Now Playing13minComputing a Universe Simulation
- Now Playing7minAre We Alone? Galactic Civilization Challenge
- Now Playing15minHow To Simulate The Universe With DFT
- Now Playing10minExtinction by Gamma-Ray Burst
- Now Playing10minShould Space be Privatized?
- Now Playing10minHow Much Information is in the Universe?
- Now Playing8minShould the First Mars Mission Be All Women?
- Now Playing10minTime Crystals!
- Now Playing13minDo Black Holes Create New Universes?
- Now Playing10minHave Gravitational Waves Been Discovered?!?
- Now Playing12minThe Many Worlds of the Quantum Multiverse
- Now Playing13minWhite Holes
- Now Playing10minStrange Stars
- Now Playing9minWhen Time Breaks Down
Beat Making Lab
- Now Playing2minWalshy Fire [of Major Lazer] Wants Your Riddims
- Now Playing4minCho Cho Cho (Music Video) filmed in Goma, Congo
- Now Playing2minField Trip: Prison Beats
- Now Playing3minGet Your Drums Right
- Now Playing10minHeartbeats of Fiji
- Now Playing2minMashup: National Anthems
- Now Playing2minWhat's In the Backpack?
- Now Playing5minBehind the Beat: Portobelo
- Now Playing3minBeat Making Challenge #1: Accordion Trap
- Now Playing3minPanama: Meet the Kids Behind the Beats
- Now Playing2minHealth Worker Beat
- Now Playing4minTrapped In Paradise
- Now Playing3minBehind The Beat: First Beat Making Lab (2011)
- Now Playing4minPortobelo (music video)
- Now Playing3minSampling w/ Flip Flops and Ski Beatz
- Now Playing3minProf. Angel Sound Prison Beats Interview
- Now Playing3min#FijiChallenge w/ Walshy Fire of Major Lazer
- Now Playing4minDiablos (music video)
- Now Playing3minEpisode 1: Goma, Congo
- Now Playing3minFemale Hip Hop Crew Makes Beats in Senegal
Infinite Series
- Now Playing14minInfinite Chess
- Now Playing14minWhy Computers are Bad at Algebra
- Now Playing11minWhat are Numbers Made of?
- Now Playing11minCan We Hear Shapes?
- Now Playing10minInstant Insanity Puzzle
- Now Playing8minA Breakthrough in Higher Dimensional Spheres
- Now Playing14minSolving the Wolverine Problem with Graph Coloring
- Now Playing8minThe Multiplication Multiverse
- Now Playing12minHow Infinity Explains the Finite
- Now Playing11minCan We Hear Shapes?
- Now Playing14minCan We Combine pi & e to Make a Rational Number?
- Now Playing14minMaking Probability Mathematical
- Now Playing9minProving Brouwer's Fixed Point Theorem
- Now Playing8minAre Prime Numbers Made Up?
- Now Playing14minTopology Riddles | Infinite Series
- Now Playing9minAssociahedra: The Shapes of Multiplication
- Now Playing10minThe Mathematics of Diffie-Hellman Key Exchange
- Now Playing9minCan You Solve the Poison Wine Challenge?
- Now Playing11minVoting Systems and the Condorcet Paradox
- Now Playing12minProving Pick's Theorem
Idea Channel
- 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 Playing9minCan Video Games Become the Next Spectator Sport?
- Now Playing4minAre Mashups the End of Music Genres?
- Now Playing8minDo Knock-Offs Prove the Value of a Brand?
- Now Playing9minIs the Universe a Computer?
- Now Playing5minHow will the Animated GIF affect the Presidential Election?
- Now Playing5minIs CSS and Website Design a Fashion Statement?
- Now Playing5minAre Olympic Competitors Geniuses?
- 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 Playing6minShould "Happy Birthday" be Protected by Copyright?
- Now Playing6minIs Doctor Who a Religion?
- Now Playing9minIs a DOS Attack a Weapon?
- Now Playing4minThe Bronies Phenomenon
- Now Playing3minAn Interview with Minecraft EDU Creator Joel Levin
- Now Playing5minAre Olympic Competitors Geniuses?