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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 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?
- Now Playing13minSpace is Full of Junk. Here's How to Clean It Up...
- Now Playing15minDark Forest: Should We Not Contact Aliens?
It's Okay to Be Smart
- Now Playing7minEl Niño and Why We Can't Predict the Weather
- Now Playing6minIlluminating the Universe: The History of Light
- Now Playing9minCan We Get Older Without Aging?
- Now Playing7minHow Do Glaciars Move?
- Now Playing6minCould We Clone Ourselves?
- Now Playing3minHow Do Squirrels Find Their Nuts?
- Now Playing8min6 Chemical Reactions That Changed History
- Now Playing6minCould We Clone Ourselves?
- Now Playing10minThe Mystery of the World's Greatest Butterfly Migration
- Now Playing5minNature's Living Fireworks
- Now Playing7minWill You Still Eat Raw Fish After Watching This Video?
- Now Playing9minWhy Do We Get Dizzy (...and Astronauts Don't?)
- Now Playing2minCarbon and Oxygen and You: Explained
- Now Playing5minThis Land Is Your Land - Project For Awesome 2016
- Now Playing8minWhen Science Fiction Becomes Science Fact
- Now Playing5minDo Fish Pee?
- Now Playing8minWhy Don't Birds Lay Square Eggs?
- Now Playing6minThe Science of Kissing
- Now Playing4minThere's Science Hidden In Our National Monuments
- Now Playing6minThe Physics of Space Battles
Origin of Everything
- Now Playing12minWhy Do Schools Teach Sex Education?
- Now Playing7minHow did Makeup, WWII, & Communism Create U.S. Healthcare?
- Now Playing10minIs Breakfast the Most Important Meal?
- Now Playing7minHow Your Rubber Ducky Explains Colonialism
- Now Playing7minHow Columbus Invented Cannibals
- Now Playing8minWhy is there a North and South Korea?
- Now Playing10minWhy was Pink for Boys and Blue for Girls?
- Now Playing8minWhy Do People Have Pets?
- Now Playing11minWhy Do We Have Private Prisons?
- Now Playing8minWhy Do Women Give Birth Lying Down?
- Now Playing8minWhy Was Crossdressing Illegal?
- Now Playing8minWhen DId Marriage Become about Love?
- Now Playing7minWhy Do We Say "Asian American" Not "Oriental"?
- Now Playing7minWhen Men Wore High Heels
- Now Playing12minWhy Doesn't the US Have Paid Parental Leave?
- Now Playing10minWhy Does the Government Need to Know My Race?
- Now Playing10minWhat is Ethnicity?
- Now Playing8minWhy Do We Get Grades in School?
- Now Playing7minIs Poisoned Halloween Candy a Myth?
- Now Playing7minHistory of the Word "Gay"
Two Cents
- Now Playing6minTop 5 Biggest Financial Scams
- Now Playing7minWhy It's More Expensive To Be Poor
- Now Playing7minShould I Invest In Cannabis Stocks?
- Now Playing6minHow to Ask for a Raise
- Now Playing7minWhat's The Real Cost of Dying?
- Now Playing7minWhich College Majors Give the Most Bang for Your Buck?
- Now Playing6minIs My Identity Safe From Hackers?
- Now Playing6minFighting the Wedding Industrial Complex
- Now Playing7minMoney, A Global Game of Trust
- Now Playing7minFighting the Financial Pitfalls of the Supermarket
- Now Playing5minDo Kids Need to Learn About Money?
- Now Playing7minHow Retailers Stalk You Online
- Now Playing5minInsta-Everything
- Now Playing7minIs Your Side Hustle Hustling You?
- Now Playing6minI'm Young & Healthy, Can I Skip Health Insurance?
- Now Playing9minHow Smart Entrepreneurs Think About PRICES!
- Now Playing5minHow Do Your Tax Dollars Get Spent?
- Now Playing5minHow are credit scores calculated?
- Now Playing8min5 Strange Investor Crazes!
- Now Playing6minMoving Without Spending a Fortune
Monstrum
- Now Playing10minThe Enchanting Fairies of Celtic Lore
- Now Playing10minPontianak: The Vampiric Ghost of Southeast Asia
- Now Playing13minThe SCP Foundation: Declassified
- Now Playing12minDeath Worms: Fact or Fiction?
- Now Playing13minWhat Happened During Our Scary Slumber Party
- Now Playing15minBaba Yaga: The Ancient Origins of the Famous 'Witch'
- Now Playing8minWerehyena: The Terrifying Shapeshifters of African Lore
- Now Playing10minYara-ma-yha-who: Australia's Regurgitating, Blood-Sucking Mo
- Now Playing17minModern Zombies: The Rebirth of the Undead
- Now Playing10minIs Yuki-onna the Most Terrifying Snow Monster?
- Now Playing13minLeprechaun: From Gold-Loving Cobbler to Cultural Icon
- Now Playing12minThe Origins of 'Big Bug' Science Fiction
- Now Playing11minCan All Monsters Be Traced Back to Tiamat?
- Now Playing10minHow Bloody Mary Turns Fear Into Fun
- Now Playing12minWas Púca the Nightmare Bunny That Inspired Donnie Darko?
- Now Playing8minCreepy Clowns: The Horror Behind the Laughter
- Now Playing14minThe Evolution of Creepy Dolls
- Now Playing8minNuckelavee: Scotland's Skinless Evil Monstrosity
- Now Playing11minThe Fatal Song of the Sirens
- Now Playing10minWill-o'-the-Wisp: Monstrous Flame or Scientific Phenomenon?
Eons
- Now Playing9minWhen Fish First Breathed Air
- Now Playing14minThe History of Climate Cycles (and the Woolly Rhino)
- Now Playing10minWhen Humans Were Prey
- Now Playing10minLife, Sex & Death Among the Dire Wolves
- Now Playing11minWhen We First Walked
- Now Playing11minWhy Megalodon (Definitely) Went Extinct
- Now Playing12minWhat Was the Ancestor of Everything?
- Now Playing10minWhy The Paleo Diet Couldn't Save The Neanderthals
- Now Playing6minDimetrodon: Our Most Unlikely Ancestor
- Now Playing9minThe Rise and Fall of the Bone-Crushing Dogs
- Now Playing12minWhen a Billion Years Disappeared
- Now Playing5minWhen Whales Walked
- Now Playing8minWhen Birds Stopped Flying
- Now Playing11minFrom the Cambrian Explosion to the Great Dying
- Now Playing9minWhen Rodents Had Horns
- Now Playing10minThe Facts About Dinosaurs & Feathers
- Now Playing9minThe Invisible Barrier Keeping Two Worlds Apart
- Now Playing11minHow a Mass Extinction Changed Our Brains
- Now Playing13minAn Illustrated History of Dinosaurs
- Now Playing13minHow Evolution Works (And How We Figured It Out)
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 Playing5minBeef Is Bad For The Climate. Can We Make It Better?
- Now Playing5minWhat the Cutest Animal Can Teach Us About Saving Ourselves
- Now Playing5minHow A Sticker Kept 3 Billion Tons of CO2 Out of The Air
- Now Playing5minWhat Can You Actually Do About Climate Change?
- Now Playing5minWhat's actually the worst greenhouse gas?
- Now Playing5minWhat the Cutest Animal Can Teach Us About Saving Ourselves
- Now Playing4minWhy Are Hurricanes Getting Stronger?
- Now Playing5minWe've Ignored Climate Change For More Than a Century
- Now Playing6minWhat if Carbon Emissions Stopped Tomorrow?
- Now Playing6minWould Your Neighbors Save You From a Flooding Home?
- Now Playing3minCould climate change make you allergic to meat?
- Now Playing4minCould Space Mirrors Cool The Globe?
- Now Playing5minWhy We Confuse Weather and Climate
- Now Playing4minCould Space Mirrors Cool The Globe?
Space Time
- Now Playing16minWhat If The Speed of Light is Not Constant?
- Now Playing10minThe Origin of Our First Interstellar Visitor
- Now Playing9minThe Star at the End of Time
- Now Playing10minCan You Trust Your Eyes in Spacetime?
- Now Playing13minCould We Move Planet Earth Across the Universe?
- Now Playing9minHow Close To The Sun Can Humanity Get?
- Now Playing10minThe Death of the Sun
- Now Playing8minThe Higgs Mechanism Explained
- Now Playing10minThe End of the Habitable Zone
- Now Playing10minTelescopes of Tomorrow
- Now Playing17minDoes Antimatter Create Anti-Gravity?
- Now Playing10minThe Andromeda-Milky Way Collision
- Now Playing16minThe Equation That Explains (Nearly) Everything!
- Now Playing12minFeynman's Infinite Quantum Paths
- Now Playing14minSolving the Three Body Problem
- Now Playing15minHow to Find ALIEN Dyson Spheres
- Now Playing11minThe Future of Space Telescopes
- Now Playing15minWill Wormholes Allow Fast Interstellar Travel?
- Now Playing11minHabitable Exoplanets Debunked!
- Now Playing15minWhat If Our Understanding of Gravity Is Wrong?
Beat Making Lab
- 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 Playing4minCho Cho Cho (Music Video) filmed in Goma, Congo
- Now Playing2minWalshy Fire [of Major Lazer] Wants Your Riddims
- 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
- Now Playing3min#FijiChallenge w/ Walshy Fire of Major Lazer
- Now Playing3minProf. Angel Sound Prison Beats Interview
- Now Playing3minSampling w/ Flip Flops and Ski Beatz
- Now Playing3minBehind The Beat: First Beat Making Lab (2011)
- Now Playing4minPortobelo (music video)
Infinite Series
- Now Playing14minCan We Combine pi & e to Make a Rational Number?
- Now Playing8minThe Multiplication Multiverse
- Now Playing8minTelling Time on a Torus
- Now Playing14minHow Big are All Infinities Combined? (Cantor's Paradox)
- Now Playing14minKill the Mathematical Hydra
- Now Playing11minWhat was Fermat's "Marvelous" Proof?
- Now Playing13minWhat is a Random Walk?
- Now Playing10minWhat Does It Mean to Be a Number? (The Peano Axioms)
- Now Playing8minAre Prime Numbers Made Up?
- Now Playing9minCan You Solve the Poison Wine Challenge?
- Now Playing17minHacking at Quantum Speed with Shor's Algorithm
- Now Playing9minProving Brouwer's Fixed Point Theorem
- Now Playing11minDefining Infinity
- Now Playing8minHow to Divide by "Zero"
- Now Playing9minThis Video was Not Encrypted with RSA
- Now Playing11minWhat was Fermat's "Marvelous" Proof?
- Now Playing12minWhen Pi is Not 3.14
- Now Playing13minThe Mathematics of Quantum Computers
- Now Playing11minDefining Infinity
- Now Playing8minTelling Time on a Torus
Idea Channel
- Now Playing5minIs William Gibson A Modern Day Oracle?
- Now Playing4minAre Mashups the End of Music Genres?
- Now Playing4minAre LOLCats and Internet Memes Art?
- Now Playing4minRussian Meteorites and Surveillance Culture
- Now Playing5minAre Olympic Competitors Geniuses?
- Now Playing7minHow are Justin Bieber, Franz Liszt and Jerusalem Connected?
- Now Playing6minIs Minecraft the Ultimate Educational Tool?
- Now Playing5minIs William Gibson A Modern Day Oracle?
- Now Playing5minAre Memes and Internet Culture Creating a Singularity?
- Now Playing8minIs a Tagged Instagram More Than Just a Photo?
- Now Playing9minWill Kickstarter Replace Hollywood?
- Now Playing5minNicolas Cage, Taoism, and YOLO
- Now Playing3minIs the Web Browser Replacing the Art Gallery?
- Now Playing4minFrom Sherlock Holmes to 50 Shades of Grey
- Now Playing4minHas the Microsoft Kinect revolutionized art?
- Now Playing4minIs Twitter the Newest Form of Literature?
- 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?