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Infinite SeriesMathematician Kelsey Houston-Edwards offers ambitious content for viewers that are eager to attain a greater understanding of the world around them.
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- Now Playing14minWhy This Mexican Genre Is Growing As Fast As K-Pop
- 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?
It's Okay to Be Smart
- Now Playing3minHow Do Squirrels Find Their Nuts?
- Now Playing7minEinstein Was Right: Gravitational Waves Edition
- Now Playing10minIs There Life on Earth
- Now Playing6minDoomsday Machines
- Now Playing5min5 Weird Involuntary Behaviors Explained!
- Now Playing12min7 Scientific Urban Legends Debunked!
- Now Playing5minI Don't Think You're Ready for These Jellies
- Now Playing6minYour Climate Conscience - feat. Al Gore
- Now Playing4minHow The Elements Got Their Names
- Now Playing6minHow Habits are Formed
- Now Playing5minWhen Is It Winter On Other Planets?
- Now Playing4minWhat Is Fire?
- Now Playing6minThe Surprising Reason We Eat Spicy Food
- Now Playing7minThe Most Important Moment in the History of Life
- Now Playing6minWhy Nature Loves Hexagons (featuring Infinite Series!)
- Now Playing3minEight Incredible Deep Sea Oddities
- Now Playing7minWhy Don't Ants Get Stuck in Traffic
- Now Playing6minHow Atom Bombs Can Uncover Forged Art
- Now Playing7minWhere Do Teeth Come From?
- Now Playing8minHow Big is the Solar System?
Origin of Everything
- Now Playing8minWhere does the Nuclear Family Come From?
- Now Playing11minWhy Do We Have Private Prisons?
- Now Playing10minDo Standardized Tests Do More Harm Than Good?
- Now Playing10minHow Did Makeup Ads Go From Style to Science?
- Now Playing9minHow Did Edison Invent Christmas Lights?
- Now Playing5minWhat Was Jesus' Real Name?
- Now Playing10minThe Origin of Race in the USA
- Now Playing9minWhat If There Were No Taxes?
- Now Playing11minWhy Are We Obsessed with Cults?
- Now Playing6minWhy it Was Illegal to be Ugly?
- Now Playing10minWould You Have Joined the American Revolution?
- Now Playing11minModern Warfare and Alien Invasions
- Now Playing7minWhy are 18 Year Olds Considered Adults?
- Now Playing9minCan Tattoos Be Taboo?
- Now Playing10minWhy Does the Government Need to Know My Race?
- Now Playing11minWhy Does the Government Pay for Art?
- Now Playing9minCan Tattoos Be Taboo?
- Now Playing10minHow Did Martin Luther King Jr. Get a Holiday?
- Now Playing9minDoes the Rorschach Inkblot Test Work?
- Now Playing8minWhy Do Kids Have Their Own Bedrooms?
Two Cents
- Now Playing5minInsta-Everything
- Now Playing7minHow Retailers Stalk You Online
- Now Playing5minDo Kids Need to Learn About Money?
- Now Playing7minFighting the Financial Pitfalls of the Supermarket
- Now Playing7minIs Your Side Hustle Hustling You?
- Now Playing6minFighting the Wedding Industrial Complex
- Now Playing6minIs My Identity Safe From Hackers?
- Now Playing7minWhich College Majors Give the Most Bang for Your Buck?
- Now Playing7minMoney, A Global Game of Trust
- Now Playing9minHow Smart Entrepreneurs Think About PRICES!
- Now Playing6minI'm Young & Healthy, Can I Skip Health Insurance?
- Now Playing6minTop 5 Biggest Financial Scams
- Now Playing7minWhy It's More Expensive To Be Poor
- Now Playing7minWhat's The Real Cost of Dying?
- Now Playing6minHow to Ask for a Raise
- Now Playing7minShould I Invest In Cannabis Stocks?
- 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?
Monstrum
- Now Playing7minEl Chupacabras, a Modern Mystery
- Now Playing10minWhy the Dragon is Central to Chinese Culture
- Now Playing8minBunyip: Australia's Mysterious Amphibian Monster
- Now Playing7minWhat Dragons Say About Us
- Now Playing31minThe Werewolf's Modern Metamorphosis
- Now Playing12minBeyond the Supernatural Horror of the Nishi Daak Ghost
- Now Playing15minEgyptian Mummies: From Sacred Vessels to Scary Undead
- Now Playing12minTaotie: The Mystery of Chinese Mythology's Famous Glutton
- Now Playing12minDon't Let Them In! The Urban Legends of Black-Eyed Children
- Now Playing7minAre White Walkers Really Nordic Zombies?
- Now Playing14minThe Untold Secrets of Pokémon's Monster Mythology
- Now Playing7minRelease the Kraken!
- 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 Playing13minFire Cat or Fire Cart? The History of Japan's Kasha
- Now Playing12minHave Humans Always Feared Sharks?
- Now Playing11minMapinguari: Fearsome Beast and Protector of the Amazon
- Now Playing26minThe Killer Origins of the Werewolf
- Now Playing17minAlien Abduction and UFOs: Why Are Grays So Common?
Eons
- Now Playing11minThe Mystery Behind the Biggest Bears of All Time
- 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 Playing8minWhere Did Viruses Come From?
- Now Playing9minHow the Turtle Got Its Shell
- Now Playing9minThe Fossil Record In Your Mouth
- Now Playing11minHow We Identified One of Earth's Earliest Animals
- Now Playing13minThe Dinosaur Who Was Buried at Sea
- Now Playing9minDarwin Missed An Example of Evolution Right Under His Nose
- Now Playing6minHow Sex Became A Thing
- Now Playing9minHow Pterosaurs Got Their Wings
- Now Playing10minGiant Viruses Blur The Line Between Alive and Not
- Now Playing7minIs This The Oldest Dad In The Fossil Record?
- 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
Hot Mess
- Now Playing11minClimate Change is Too Big for our Brains feat. Mike Rugnetta
- 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 Playing6minWhat Indigenous Communities Teach Us About Climate Change
- Now Playing5minWe've Ignored Climate Change For More Than a Century
- Now Playing5minWhat the Cutest Animal Can Teach Us About Saving Ourselves
- Now Playing5minBeef Is Bad For The Climate. Can We Make It Better?
- Now Playing5minHow A Sticker Kept 3 Billion Tons of CO2 Out of The Air
- Now Playing5minWhat's actually the worst greenhouse gas?
- Now Playing5minWhat Can You Actually Do About Climate Change?
- Now Playing5minWe've Ignored Climate Change For More Than a Century
- Now Playing5minWhat the Cutest Animal Can Teach Us About Saving Ourselves
- Now Playing4minWhy Are Hurricanes Getting Stronger?
- Now Playing6minWhat if Carbon Emissions Stopped Tomorrow?
- Now Playing6minWould Your Neighbors Save You From a Flooding Home?
- Now Playing4minCould Space Mirrors Cool The Globe?
- Now Playing3minCould climate change make you allergic to meat?
- Now Playing5minWhy We Confuse Weather and Climate
- Now Playing4minCould Space Mirrors Cool The Globe?
Space Time
- Now Playing12minWhat's On The Other Side Of A Black Hole?
- Now Playing13minHow Will the Universe End?
- Now Playing11minNo Dark Matter = Proof of Dark Matter?
- Now Playing14minGamma-Ray Bursts: Crash Course Astronomy #40
- Now Playing12minReversing Entropy with Maxwell's Demon
- Now Playing3minThe Leap Second Explained
- Now Playing11minSupervoids vs Colliding Universes!
- Now Playing10minS2: The Strange Universe of Gravitational Lensing
- Now Playing14minWhat If Physics IS Not Describing Reality?
- Now Playing8minAbsolute Cold
- Now Playing14min'Oumuamua Is Not Aliens
- Now Playing10minThe Death of the Sun
- Now Playing14minSecrets of the Cosmic Microwave Background
- Now Playing14minOur Antimatter, Mirrored, Time-Reversed Universe
- Now Playing11minWe Are Star Stuff
- Now Playing11minBreaking The Heisenberg Uncertainty Principle
- Now Playing12minQuantum Invariance & The Origin of The Standard Model
- Now Playing13minPilot Wave Theory and Quantum Realism
- Now Playing10minLife on Europa?
- Now Playing11minStar Clusters: Crash Course Astronomy #35
Beat Making Lab
- 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 Playing4minCho Cho Cho (Music Video) filmed in Goma, Congo
- Now Playing2minWalshy Fire [of Major Lazer] Wants Your Riddims
- Now Playing4minDiablos (music video)
- Now Playing3minEpisode 1: Goma, Congo
- 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 Playing3minProf. Angel Sound Prison Beats Interview
- Now Playing3min#FijiChallenge w/ Walshy Fire of Major Lazer
- Now Playing3minBehind The Beat: First Beat Making Lab (2011)
- Now Playing4minPortobelo (music video)
- Now Playing3minSampling w/ Flip Flops and Ski Beatz
Infinite Series
- 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
- Now Playing8minTelling Time on a Torus
- Now Playing8minThe Multiplication Multiverse
- Now Playing14minCan We Combine pi & e to Make a Rational Number?
- Now Playing12minWhen Pi is Not 3.14
- Now Playing11minWhat was Fermat's "Marvelous" Proof?
- Now Playing13minThe Mathematics of Quantum Computers
- Now Playing9minThis Video was Not Encrypted with RSA
- Now Playing8minHow to Divide by "Zero"
- Now Playing9minProving Brouwer's Fixed Point Theorem
- Now Playing11minDefining Infinity
- Now Playing17minHacking at Quantum Speed with Shor's Algorithm
- Now Playing10minWhat Does It Mean to Be a Number? (The Peano Axioms)
- Now Playing9minCan You Solve the Poison Wine Challenge?
- Now Playing8minAre Prime Numbers Made Up?
- Now Playing17minSplitting Rent with Triangles
- Now Playing15minDissecting Hypercubes with Pascal's Triangle
Idea Channel
- Now Playing5minIs Facebook Changing Our Identity?
- Now Playing6minWhat do MP3s and Magic Spells Have in Common?
- Now Playing6minWhat Do Santa and Wrestling Have In Common?
- Now Playing4minAre Mashups the End of Music Genres?
- Now Playing8minDo Knock-Offs Prove the Value of a Brand?
- Now Playing9minCan Video Games Become the Next Spectator Sport?
- 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 Playing6minThe Retro Awesomeness of Adventure Time
- Now Playing5minA Visit to Mr. Monfre's Class
- Now Playing5minThere's No Such Thing as Online?!?
- Now Playing5minIs Homestuck the Ulysses of the Internet?
- Now Playing6minIs Doctor Who a Religion?
- Now Playing6minShould "Happy Birthday" be Protected by Copyright?
- Now Playing3minAn Interview with Minecraft EDU Creator Joel Levin
- Now Playing4minThe Bronies Phenomenon
- Now Playing9minIs a DOS Attack a Weapon?
- Now Playing7minHow are Justin Bieber, Franz Liszt and Jerusalem Connected?