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Space TimeSpace Time explores the outer reaches of space, the craziness of astrophysics, the possibilities of sci-fi, and anything else you can think of beyond Planet Earth.
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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 Playing6minDefusing the Population Bomb
- Now Playing3minDoes The Moon Really Orbit The Earth?
- Now Playing12minEvolution FAILS in the Human Body
- Now Playing7minWhy Don't Woodpeckers Get Concussions?
- Now Playing7minZombie Parasites!
- Now Playing6minThe REAL Physics of Hot Air Balloons!
- Now Playing8minEbola Explained
- Now Playing6minYour Climate Conscience - feat. Al Gore
- Now Playing10minThe Impossible Hugeness of Deep Time
- Now Playing7minWe Got Ants In Our Plants!
- Now Playing6minWhy It Is What Time It Is (The History of Time)
- Now Playing6minWhat Are Rainbows?
- Now Playing4minThere's Science Hidden In Our National Monuments
- Now Playing6minThe Largest River On Earth Is In The Sky
- Now Playing6minWho Shares Your Birthday?
- Now Playing11minThe Dinosaur On Your Thanksgiving Table
- Now Playing2minAre Humans Still Evolving? 12 Days of Evolution #11
- Now Playing2minCarbon and Oxygen and You: Explained
- Now Playing6minDNA Doesn't Look Like What You Think!
- Now Playing5minThe Scale of the Universe
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 Playing6minWhat is The Cost of Pet Ownership?
- Now Playing6minShould I Buy Bitcoin?
- Now Playing4minWhat is the DOW?
- Now Playing6minThe Ugly Truth About Airline Miles
- Now Playing6minShould You Break Up With Your Big Bank?
- 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 Playing5minHow are credit scores calculated?
- Now Playing8min5 Strange Investor Crazes!
- Now Playing5minHow Do Your Tax Dollars Get Spent?
- Now Playing6minDo I Need To Buy A House?
- Now Playing7minIs It Even POSSIBLE to Save for Retirement?
- Now Playing7minLove and Money
- Now Playing6minWomen Financial Superpowers
- Now Playing6minMoving Without Spending a Fortune
Monstrum
- Now Playing8minBunyip: Australia's Mysterious Amphibian Monster
- Now Playing7minEl Chupacabras, a Modern Mystery
- Now Playing10minWhy the Dragon is Central to Chinese Culture
- Now Playing15minEgyptian Mummies: From Sacred Vessels to Scary Undead
- Now Playing7minWhat Dragons Say About Us
- Now Playing12minBeyond the Supernatural Horror of the Nishi Daak Ghost
- Now Playing31minThe Werewolf's Modern Metamorphosis
- Now Playing7minAre White Walkers Really Nordic Zombies?
- Now Playing14minThe Untold Secrets of Pokémon's Monster Mythology
- Now Playing7minRelease the Kraken!
- Now Playing12minTaotie: The Mystery of Chinese Mythology's Famous Glutton
- Now Playing12minDon't Let Them In! The Urban Legends of Black-Eyed Children
- Now Playing13minFire Cat or Fire Cart? The History of Japan's Kasha
- 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 Playing12minHave Humans Always Feared Sharks?
- Now Playing11minMapinguari: Fearsome Beast and Protector of the Amazon
- Now Playing17minAlien Abduction and UFOs: Why Are Grays So Common?
- Now Playing9minAdze: the Shapeshifting Firefly from West Africa
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 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 Playing6minWhen The Earth Was Purple
- Now Playing11minThe Mystery Behind the Biggest Bears of All Time
- Now Playing5minThe Biggest Thing That Ever Flew
- Now Playing8minThe Mystery of the Eocene's Lethal Lake
- Now Playing11minWhen Penguins Went From The Sky To The Sea
- Now Playing8minHow Ankylosaurs Got Their Clubs
Hot Mess
- Now Playing5minClimate change will push millions out. Where will they go?
- Now Playing5minWho Should Pay To Fix Climate Change?
- Now Playing6minWill Big Oil Have To Pay Up Like Big Tobacco?
- Now Playing6minWhat If We Burned All The World's Fossil Fuels?
- Now Playing6minCan We Get Solar Power To Everyone Who Wants It?
- Now Playing7minHow To Make Clothes Less Terrible for the Planet
- Now Playing5minWhy Don't We Hear About the Ozone Hole Anymore?
- Now Playing5minWho Should Pay To Fix Climate Change?
- Now Playing6minHow To Suck Carbon Dioxide Out of the Sky
- Now Playing6minHow To Suck Carbon Dioxide Out of the Sky
- Now Playing7minWhat's The Best Car For The Climate?
- Now Playing10minFeeling Guilty About Climate Change feat. Hank Green
- Now Playing6minWhat If We Burned All The World's Fossil Fuels?
- Now Playing5minWhy Climate Change is Unjust
- Now Playing10minAre You Scared Enough? feat. David Wallace-Wells
- Now Playing10minFeeling Guilty About Climate Change feat. Hank Green
- Now Playing6minWhat Indigenous Communities Teach Us About Climate Change
- Now Playing4minHow Much Energy Does the Internet Use?
- Now Playing6minCoral Reefs Are Dying. But They Don't Have To.
- Now Playing5minWhy Climate Change is Unjust
Space Time
- Now Playing13minWhy the Muon g-2 Results Are So Exciting!
- Now Playing10minThe Origin of Our First Interstellar Visitor
- Now Playing13minThe Doomsday Argument
- Now Playing10minThe EM Drive: Fact or Fantasy?
- Now Playing16minWhat If Humanity Is Among The First Spacefaring Civilization
- Now Playing11minS2: Should We Build a Dyson Sphere?
- Now Playing9min5 Ways to Stop a Killer Asteroid
- Now Playing14minWas the Milky Way a Quasar?
- Now Playing9minHow Gaia Changed Astronomy Forever
- Now Playing18minWhat If There's A Black Hole Inside The Sun?
- Now Playing11minHow to Build a Blackhole
- Now Playing13minHow Black Holes Spin Space Time
- Now Playing12minWhy We Should Put Rockets On the Moon
- Now Playing13minSupersymmetric Particle Found?
- Now Playing11minBlack Holes from the Dawn of Time
- Now Playing17minHow Much Of The Universe Can Humanity Ever See?
- Now Playing13minNew Results in Quantum Tunneling vs. The Speed of Light
- Now Playing15minIs Dark Energy Getting Stronger?
- Now Playing16minIs 'Perpetual Motion' Possible with Superfluids?
- Now Playing12minScience of the James Webb Telescope Explained!
Beat Making Lab
- Now Playing3minGet Your Drums Right
- Now Playing2minField Trip: Prison Beats
- Now Playing2minMashup: National Anthems
- Now Playing10minHeartbeats of Fiji
- Now Playing3minBeat Making Challenge #1: Accordion Trap
- Now Playing2minWhat's In the Backpack?
- Now Playing5minBehind the Beat: Portobelo
- Now Playing3minPanama: Meet the Kids Behind the Beats
- Now Playing2minWalshy Fire [of Major Lazer] Wants Your Riddims
- Now Playing4minCho Cho Cho (Music Video) filmed in Goma, Congo
- Now Playing3minProf. Angel Sound Prison Beats Interview
- Now Playing3min#FijiChallenge w/ Walshy Fire of Major Lazer
- Now Playing3minEpisode 1: Goma, Congo
- Now Playing4minDiablos (music video)
- Now Playing3minBeat Making Challenge #2: Kora Riddim
- Now Playing3minExclusive Zenga (Music Video) by Flamme Kapaya
- Now Playing3minFemale Hip Hop Crew Makes Beats in Senegal
- Now Playing2minHealth Worker Beat
- Now Playing4minTrapped In Paradise
- Now Playing4minPortobelo (music video)
Infinite Series
- Now Playing9minA Hierarchy of Infinities
- Now Playing15minArrow's Impossibility Theorem
- Now Playing11minVoting Systems and the Condorcet Paradox
- Now Playing14minInfinite Chess
- Now Playing15minDissecting Hypercubes with Pascal's Triangle
- Now Playing9minBeyond the Golden Ratio
- Now Playing11minSingularities Explained
- Now Playing8minHow to Divide by "Zero"
- Now Playing9minHow Many Humans Have the Same Number of Body Hairs?
- Now Playing10minThe Assassin Puzzle
- Now Playing9minHow Many Humans Have the Same Number of Body Hairs?
- Now Playing10minUnraveling DNA with Rational Tangles
- Now Playing14minTopology Riddles | Infinite Series
- Now Playing12minThe Honeycombs of 4-Dimensional Bees ft. Joe Hanson
- Now Playing16minHow to Break Cryptography
- Now Playing14minHow Big are All Infinities Combined? (Cantor's Paradox)
- Now Playing9minThis Video was Not Encrypted with RSA
- Now Playing13minWhat is a Random Walk?
- Now Playing10minThe Assassin Puzzle
- Now Playing12minThe Honeycombs of 4-Dimensional Bees ft. Joe Hanson
Idea Channel
- Now Playing4minIs Twitter the Newest Form of Literature?
- Now Playing4minHas the Microsoft Kinect revolutionized art?
- Now Playing4minFrom Sherlock Holmes to 50 Shades of Grey
- Now Playing3minIs the Web Browser Replacing the Art Gallery?
- Now Playing5minNicolas Cage, Taoism, and YOLO
- Now Playing9minWill Kickstarter Replace Hollywood?
- Now Playing8minIs a Tagged Instagram More Than Just a Photo?
- Now Playing5minAre Memes and Internet Culture Creating a Singularity?
- Now Playing6minIs Minecraft the Ultimate Educational Tool?
- Now Playing5minIs William Gibson A Modern Day Oracle?
- Now Playing5minAre Olympic Competitors Geniuses?
- Now Playing7minHow are Justin Bieber, Franz Liszt and Jerusalem Connected?
- Now Playing4minRussian Meteorites and Surveillance Culture
- Now Playing4minAre LOLCats and Internet Memes Art?
- Now Playing5minIs William Gibson A Modern Day Oracle?
- Now Playing4minAre Mashups the End of Music Genres?
- 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