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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 Playing10minA Giant Monster With a Giant Problem
- Now Playing10minWhat Will Earth Be Like 300 Million Years From Now?
- 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?
- Now Playing13minSpace is Full of Junk. Here's How to Clean It Up...
- Now Playing15minDark Forest: Should We Not Contact Aliens?
- Now Playing10minHow a Children's Book Introduced Us To Our Inner Demons
- Now Playing16minWhy the 2024 Solar Eclipse is Such a Big Deal
It's Okay to Be Smart
- Now Playing3minEight Incredible Deep Sea Oddities
- Now Playing7minWhy Don't Ants Get Stuck in Traffic
- Now Playing6minThe Surprising Reason We Eat Spicy Food
- Now Playing6minWhy Nature Loves Hexagons (featuring Infinite Series!)
- Now Playing7minThe Most Important Moment in the History of Life
- Now Playing6minWhat is Luck?
- Now Playing6minThe Raisin Bran Effect
- Now Playing7minZombie Parasites!
- Now Playing2minIs Evolution Random? - 12 Days of Evolution #2
- Now Playing8minHow Big is the Solar System?
- Now Playing7minWhere Do Teeth Come From?
- Now Playing6minHow Atom Bombs Can Uncover Forged Art
- Now Playing5minAre You Smarter Than A Slime Mold?
- Now Playing3minWhat is Wind?
- Now Playing4minOrchid Mantis: Looks That Kill
- Now Playing4minHow The Elements Got Their Names
- Now Playing6minYour Climate Conscience - feat. Al Gore
- Now Playing5min5 Weird Involuntary Behaviors Explained!
- Now Playing6minDoomsday Machines
- Now Playing10minIs There Life on Earth
Origin of Everything
- Now Playing9minThe Origin of Gender
- Now Playing7minThe True Origin of Killer Clowns
- Now Playing8minWhy Did Europeans Enslave Africans?
- Now Playing9minThe Origin of Gender
- Now Playing8minWhere does the Nuclear Family Come From?
- Now Playing9minWhy Do All Malls Look the Same?
- Now Playing10minThe 2nd Amendment Explained
- Now Playing11minWhy Do So Many Religions Have Headwear?
- Now Playing7minWhy Do We Eat Popcorn at The Movies?
- Now Playing10minWhy Do We Have Hobbies?
- Now Playing11minWhat is Racial Passing?
- Now Playing8minWhy Do People Have Pets?
- Now Playing6minWhy Do We Have Middle Names?
- Now Playing12minSix Historically True Facts about Money
- Now Playing8minWhy Do We Eat Artificial Flavors?
- Now Playing12minWhy Do We Have Housing Projects?
- Now Playing8minWhy Do We Get Grades in School?
- Now Playing9minWhy Do We Drink Milk in School?
- Now Playing10minWhat is Ethnicity?
- Now Playing7minWhy Does Santa Wear Red?
Two Cents
- Now Playing5minHow Do Your Tax Dollars Get Spent?
- Now Playing5minHow are credit scores calculated?
- Now Playing8min5 Strange Investor Crazes!
- Now Playing7minCan You Really Retire in Your 30s?
- Now Playing6minWhat Are The Most Lucrative Trades?
- Now Playing6minHacking Your Brain to Get Out Of Debt
- Now Playing6minWomen Financial Superpowers
- Now Playing6minMoving Without Spending a Fortune
- Now Playing5minHow Cars Can Keep You Poor
- Now Playing7minLove and Money
- Now Playing6minDo I Need To Buy A House?
- Now Playing7minIs It Even POSSIBLE to Save for Retirement?
- Now Playing6minWhat is The Cost of Pet Ownership?
- Now Playing6minShould I Buy Bitcoin?
- Now Playing8minAre "Free" Video Games Really Free?
- Now Playing8min5 Ways People Are Dumb About Money
- Now Playing6minHow Do You Actually Buy A House?
- Now Playing7minIs the Stock Market Just a Big Casino?
- Now Playing5minBudgeting Basics
- Now Playing6minDoes Wealth Make You Meaner?
Monstrum
- Now Playing17minTrolls: Scandinavia's Malevolent, Magical Outcasts
- Now Playing11minIs Siren Head the Ultimate Modern Monster?
- Now Playing6minThe Original Headless Horseman
- Now Playing9minThe Hidden Origins of Nixie, the Scariest Little Mermaid
- Now Playing18minUnlocking the Mystery of Loch Ness
- Now Playing11minThe Macabre Origins of the Grim Reaper
- Now Playing12minHow Gargoyles Became Monsters
- Now Playing11minWhy Has the Majestic Griffin Been Forgotten?
- Now Playing9minKrampus: Origins of the Yuletide Monster
- Now Playing20minWhy George Romero Changed Zombies Forever
- Now Playing14minHero, Beast, or Both? The Complex Lore of the Centaur
- Now Playing10minA Giant Monster With a Giant Problem
- Now Playing10minHow a Children's Book Introduced Us To Our Inner Demons
- Now Playing17minThe Origins of the Zombie, from Haiti to the U.S.
- Now Playing10minEl Silbón: The Deadly Whistler of the Grasslands
- Now Playing10minSlender Man: How The Internet Created a Monster
- Now Playing13minMonster Plants and the Humans who Invent Them
- Now Playing12minWho Is This Japanese Yōkai That Is Obsessed With Your Butt?
- Now Playing7minRelease the Kraken!
- Now Playing7minAre White Walkers Really Nordic Zombies?
Eons
- Now Playing11minWhen We First Walked
- Now Playing10minWhen Humans Were Prey
- Now Playing10minLife, Sex & Death Among the Dire Wolves
- Now Playing14minThe History of Climate Cycles (and the Woolly Rhino)
- Now Playing9minWhen Fish First Breathed Air
- Now Playing11minWhy Megalodon (Definitely) Went Extinct
- Now Playing12minWhat Was the Ancestor of Everything?
- Now Playing10minWhy The Paleo Diet Couldn't Save The Neanderthals
- Now Playing12minWhen a Billion Years Disappeared
- Now Playing9minThe Rise and Fall of the Bone-Crushing Dogs
- Now Playing6minDimetrodon: Our Most Unlikely Ancestor
- Now Playing5minWhen Whales Walked
- Now Playing11minFrom the Cambrian Explosion to the Great Dying
- Now Playing8minWhen Birds Stopped Flying
- Now Playing9minThe Invisible Barrier Keeping Two Worlds Apart
- Now Playing11minHow a Mass Extinction Changed Our Brains
- Now Playing10minThe Facts About Dinosaurs & Feathers
- Now Playing9minWhen Rodents Had Horns
- Now Playing9minThe Fungi That Turned Ants Into Zombies
- Now Playing13minHow Evolution Works (And How We Figured It Out)
Hot Mess
- Now Playing5minWho Should Pay To Fix Climate Change?
- Now Playing5minClimate change will push millions out. Where will they go?
- Now Playing6minCan We Get Solar Power To Everyone Who Wants It?
- Now Playing6minWhat If We Burned All The World's Fossil Fuels?
- Now Playing6minWill Big Oil Have To Pay Up Like Big Tobacco?
- Now Playing5minWho Should Pay To Fix Climate Change?
- Now Playing6minHow To Suck Carbon Dioxide Out of the Sky
- Now Playing5minWhy Don't We Hear About the Ozone Hole Anymore?
- Now Playing7minHow To Make Clothes Less Terrible for the Planet
- Now Playing10minFeeling Guilty About Climate Change feat. Hank Green
- Now Playing7minWhat's The Best Car For The Climate?
- Now Playing6minHow To Suck Carbon Dioxide Out of the Sky
- Now Playing6minWhat If We Burned All The World's Fossil Fuels?
- Now Playing10minFeeling Guilty About Climate Change feat. Hank Green
- Now Playing5minWhy Climate Change is Unjust
- Now Playing10minAre You Scared Enough? feat. David Wallace-Wells
- Now Playing6minWhat Indigenous Communities Teach Us About Climate Change
- Now Playing5minWhy Climate Change is Unjust
- Now Playing6minCoral Reefs Are Dying. But They Don't Have To.
- Now Playing4minHow Much Energy Does the Internet Use?
Space Time
- Now Playing6minWhat Planet Is Super Mario World?
- Now Playing13minHow Will the Universe End?
- Now Playing11minThe Fate of the First Stars
- Now Playing12minLife in the Universe: Crash Course Astronomy #46
- Now Playing11minHow Time Becomes Space Inside a Black Hole
- Now Playing13minHow Does Gravity Escape A Black Hole?
- Now Playing13minA Brief History of the Universe: Crash Course Astronomy #44
- Now Playing11minHow Time Becomes Space Inside a Black Hole
- Now Playing10minShould Space be Privatized?
- Now Playing12minHawking Radiation
- Now Playing7minShould We Colonize Venus Instead of Mars?
- Now Playing12minHow to See Black Holes + Kugelblitz Challenge Answer
- Now Playing14minThe Evolution of the Modern Milky Way Galaxy
- Now Playing11minHow to Build a Blackhole
- Now Playing12minAre the Fundamental Constants Changing?
- Now Playing11minThe Physics of Life (ft. It's Okay to be Smart & PBS Eons!)
- Now Playing16minFermions Vs. Bosons Explained with Statistical Mechanics!
- Now Playing16minHow Can Matter Be Both Liquid And Gas?
- Now Playing13minWhite Holes
- Now Playing13minThe Real Star Wars
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 Playing11minTopology vs "a" Topology
- Now Playing10minThe Mathematics of Diffie-Hellman Key Exchange
- Now Playing9minBeyond the Golden Ratio
- Now Playing17minHacking at Quantum Speed with Shor's Algorithm
- Now Playing13minThe Mathematics of Quantum Computers
- Now Playing14minBuilding an Infinite Bridge
- Now Playing8minA Breakthrough in Higher Dimensional Spheres
- Now Playing14minSolving the Wolverine Problem with Graph Coloring
- Now Playing14minCan a Chess Piece Explain Markov Chains?
- Now Playing10minWhat Does It Mean to Be a Number? (The Peano Axioms)
- Now Playing15minArrow's Impossibility Theorem
- Now Playing11minThe Geometry of SET
- Now Playing13minWhat is a Random Walk?
- Now Playing9minThis Video was Not Encrypted with RSA
- Now Playing14minHow Big are All Infinities Combined? (Cantor's Paradox)
- Now Playing16minHow to Break Cryptography
- Now Playing17minSplitting Rent with Triangles
- Now Playing14minWhy Computers are Bad at Algebra
- Now Playing11minSingularities Explained
- Now Playing12minThe Honeycombs of 4-Dimensional Bees ft. Joe Hanson
Idea Channel
- Now Playing3minAn Interview with Minecraft EDU Creator Joel Levin
- Now Playing4minThe Bronies Phenomenon
- Now Playing9minIs a DOS Attack a Weapon?
- Now Playing6minShould "Happy Birthday" be Protected by Copyright?
- Now Playing6minIs Doctor Who a Religion?
- Now Playing5minThere's No Such Thing as Online?!?
- Now Playing5minA Visit to Mr. Monfre's Class
- Now Playing5minIs Homestuck the Ulysses of the Internet?
- Now Playing6minThe Retro Awesomeness of Adventure Time
- 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 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 Playing6minWhat Do Santa and Wrestling Have In Common?
- Now Playing5minIs Facebook Changing Our Identity?
- Now Playing6minWhat do MP3s and Magic Spells Have in Common?
- Now Playing4minFrom Sherlock Holmes to 50 Shades of Grey