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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 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 Playing6minWhy Do Things Sound Scary?
- Now Playing5minThe Far Future of the Universe
- Now Playing6minHow An Igloo Keeps You Warm
- Now Playing4minWhy I'm Scared of Spiders
- Now Playing5minWhy Are You Multicellular?
- Now Playing5minHow Many Species Are There?
- Now Playing4minThis Is Not a Rainbow
- Now Playing8minScience of Marathon Running
- Now Playing6minWhy Do Clouds Stay Up?
- Now Playing3minThe Equinox Isn't What You Think It Is
- Now Playing7minHow Baby Sea Turtles Find Their Way Home
- Now Playing13minDoes Someone Else Have Your Face?
- Now Playing6minWhat Has New Horizons Taught Us About Pluto?
- Now Playing7minTheory vs Hypothesis vs Law
- Now Playing8minNobel Prizes: Past, Present... and Future?
- Now Playing7minWhere Did Humans Come From?
- Now Playing18minThe 12 Days of Evolution - Complete Series!
- Now Playing3minElectric Buzzaloo: How Bees See the Invisible
- Now Playing7minWhere Did Humans Come From?
- Now Playing6minIt's Okay to Fart
Origin of Everything
- 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 Playing9minThe Origin of Gender
- Now Playing7minThe True Origin of Killer Clowns
- Now Playing8minWhy Did Europeans Enslave Africans?
- 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?
- 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?
Two Cents
- Now Playing7minHow Retailers Stalk You Online
- Now Playing5minInsta-Everything
- 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 Playing12minWho Is This Japanese Yōkai That Is Obsessed With Your Butt?
- Now Playing13minMonster Plants and the Humans who Invent Them
- 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 Playing10minHow a Children's Book Introduced Us To Our Inner Demons
- Now Playing14minHero, Beast, or Both? The Complex Lore of the Centaur
- Now Playing10minA Giant Monster With a Giant Problem
- Now Playing20minWhy George Romero Changed Zombies Forever
- Now Playing9minKrampus: Origins of the Yuletide Monster
- Now Playing11minWhy Has the Majestic Griffin Been Forgotten?
- Now Playing12minHow Gargoyles Became Monsters
- Now Playing11minThe Macabre Origins of the Grim Reaper
- Now Playing18minUnlocking the Mystery of Loch Ness
- Now Playing9minThe Hidden Origins of Nixie, the Scariest Little Mermaid
- Now Playing11minIs Siren Head the Ultimate Modern Monster?
- Now Playing6minThe Original Headless Horseman
- Now Playing17minTrolls: Scandinavia's Malevolent, Magical Outcasts
- Now Playing11minMapinguari: Fearsome Beast and Protector of the Amazon
- Now Playing12minHave Humans Always Feared Sharks?
Eons
- Now Playing5minThat Time Oxygen Almost Killed Everything
- Now Playing11minFrom the Cambrian Explosion to the Great Dying
- Now Playing10minLife, Sex & Death Among the Dire Wolves
- Now Playing12minWhen Birds Had Teeth
- Now Playing7minThe Trouble With Trilobites
- Now Playing10minHow Chilis Got Spicy (and Why We Love the Burn)
- Now Playing10minWhen Giant Hypercarnivores Prowled Africa
- Now Playing8minWhat Was The Earliest Surgery?
- Now Playing10minHow Blood Evolved (Many Times)
- Now Playing8minHow the Walrus Got Its Tusks
- Now Playing9minOur Ancient Relative That Said 'No Thanks' To Life On Land
- Now Playing13minAn Illustrated History of Dinosaurs
- Now Playing11minDid These Giant Sloths Poop Themselves to Death?
- Now Playing13minDid Raptorex Really Exist?
- Now Playing9minThe Oddest Couple in the Fossil Record
- Now Playing12minYour Place in the Primate Family Tree
- Now Playing10minThe Hidden Genes That Make Us Human
- Now Playing8minThe Extinction That Never Happened
- Now Playing5minThat Time Oxygen Almost Killed Everything
- Now Playing7minThe Genes We Lost Along the Way
Hot Mess
- Now Playing3minCould climate change make you allergic to meat?
- Now Playing4minCould Space Mirrors Cool The Globe?
- Now Playing5minWhy We Confuse Weather and Climate
- Now Playing6minWould Your Neighbors Save You From a Flooding Home?
- Now Playing5minWhat Can You Actually Do About Climate Change?
- Now Playing5minCan Farms and Forests Coexist?
- Now Playing10minThe Link Between Extreme Weather and Climate Change
- Now Playing5minWhy Don't We Hear About the Ozone Hole Anymore?
- Now Playing6minCan We Get Solar Power To Everyone Who Wants It?
- Now Playing4minCould Space Mirrors Cool The Globe?
- 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 Playing9minHow to Talk About Climate Change
- Now Playing8minHow One Conservative Texas Town Went 100% Renewable
- 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 Playing11minClimate Change is Too Big for our Brains feat. Mike Rugnetta
- Now Playing6minWhat Indigenous Communities Teach Us About Climate Change
- Now Playing5minWe've Ignored Climate Change For More Than a Century
Space Time
- Now Playing12minReversing Entropy with Maxwell's Demon
- Now Playing10minThe Oh My God Particle
- Now Playing12minThe Missing Mass Mystery
- Now Playing16minCould We Terraform Mars?
- Now Playing7minHow to Signal Aliens
- Now Playing12minWill Constructor Theory REWRITE Physics?
- Now Playing15minHow Does The Nucleus Hold Together?
- Now Playing16minWhat Makes The Strong Force Strong?
- Now Playing9minWhen Time Breaks Down
- Now Playing10minWhat Physics Teachers Get Wrong About Tides!
- Now Playing10minThe Oh My God Particle
- Now Playing10minQuantum Vortices and Superconductivity + Challenge Answers
- Now Playing11minWhy Haven't We Found Alien Life?
- Now Playing16minThe New Science of Moon Formation
- Now Playing14minWhat Caused the Big Bang?
- Now Playing16minWhy String Theory is Wrong
- Now Playing9minIs There a Fifth Fundamental Force? + Quantum Eraser Answer
- Now Playing17minWhat If Black Holes Are Dark Energy?
- Now Playing13minThe Cosmic Dark Ages
- Now Playing9minWill Starshot's Insterstellar Journey Succeed?
Beat Making Lab
- Now Playing4minCho Cho Cho (Music Video) filmed in Goma, Congo
- Now Playing2minWalshy Fire [of Major Lazer] Wants Your Riddims
- Now Playing3minPanama: Meet the Kids Behind the Beats
- Now Playing5minBehind the Beat: Portobelo
- Now Playing2minWhat's In the Backpack?
- 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
- 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 Playing3minFemale Hip Hop Crew Makes Beats in Senegal
- Now Playing3minExclusive Zenga (Music Video) by Flamme Kapaya
- Now Playing3minBeat Making Challenge #2: Kora Riddim
- Now Playing4minDiablos (music video)
- Now Playing3minEpisode 1: Goma, Congo
Infinite Series
- Now Playing11minThe Geometry of SET
- Now Playing16minHow to Break Cryptography
- Now Playing9minAssociahedra: The Shapes of Multiplication
- Now Playing14minBuilding an Infinite Bridge
- Now Playing15minDissecting Hypercubes with Pascal's Triangle
- Now Playing17minSplitting Rent with Triangles
- Now Playing12minProving Pick's Theorem
- Now Playing11minWhat are Numbers Made of?
- Now Playing14minMaking Probability Mathematical
- Now Playing10minInstant Insanity Puzzle
- Now Playing13minNetwork Mathematics and Rival Factions | Infinite Series
- Now Playing8minTelling Time on a Torus
- Now Playing11minDefining Infinity
- Now Playing13minThe Mathematics of Quantum Computers
- Now Playing12minWhen Pi is Not 3.14
- Now Playing11minWhat was Fermat's "Marvelous" Proof?
- Now Playing9minThis Video was Not Encrypted with RSA
- Now Playing8minHow to Divide by "Zero"
- Now Playing9minProving Brouwer's Fixed Point Theorem
- Now Playing11minDefining Infinity
Idea Channel
- Now Playing8minIs Sad Music Actually Sad?
- Now Playing6minIs Doctor Who a Religion?
- Now Playing9minDoes Math Really Exist?
- Now Playing3minAre Holograms Nostalgia or a New Form of Art?
- Now Playing3minAre Holograms Nostalgia or a New Form of Art?
- Now Playing6minIs Futurama the Best Argument Against Transhumanism?
- Now Playing3minSuper Mario Brothers as Surrealist Art?
- Now Playing6minAre Virtual Video Game Economies Becoming Real?
- Now Playing8minIs Developing Artificial Intelligence (AI) Ethical?
- Now Playing5minAre You a Hipster?
- Now Playing3minIs the Web Browser Replacing the Art Gallery?
- Now Playing3minWhat Makes a Pop Star Authentic?
- Now Playing4minIs Twitter the Newest Form of Literature?
- Now Playing9minIs Community a Postmodern Masterpiece?
- Now Playing8minIs Piracy Helping Game of Thrones?
- Now Playing6minAre MP3s & Vinyl Better than Live Music?
- Now Playing7minCan Dungeons & Dragons Make You Confident & Successful?
- Now Playing6minWhat do MP3s and Magic Spells Have in Common?
- Now Playing5minIs Facebook Changing Our Identity?
- Now Playing4minHas the Microsoft Kinect revolutionized art?