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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 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 Playing6minPay Attention!
- Now Playing3minWhy is the sky any color?
- Now Playing5min5 Weird Involuntary Behaviors Explained!
- Now Playing6minThe Surprising Origin of Thanksgiving Foods
- Now Playing6minWhy Do We Cook?
- Now Playing6minHow to Figure Out the Day of the Week For Any Date Ever
- Now Playing7minWhere Do Teeth Come From?
- Now Playing7minHow the Meter Became The Meter
- Now Playing2minIs Evolution Random? - 12 Days of Evolution #2
- Now Playing5minSunburn, Sweat and the Science of Summer!
- Now Playing4minWhy Seasons Make No Sense
- Now Playing2minWhat Is Evolution, Anyway? - 12 Days of Evolution #1
- Now Playing4minHow Poop Shapes the World
- Now Playing8minThe Science of Game of Thrones
- Now Playing6minWhy It Is What Time It Is (The History of Time)
- Now Playing6minVENOM: Nature's Killer Cocktails
- Now Playing4minWhat's The Loudest Possible Sound?
- Now Playing2minWhy Do Men Have Nipples? - 12 Days of Evolution #7
- Now Playing5minThe Superb Owl!
- Now Playing5minЩΉӨ BЦIƬ ƬΉΣ PYЯΛMIDƧ - Who Built The Pyramids
Origin of Everything
- Now Playing7minHow did Makeup, WWII, & Communism Create U.S. Healthcare?
- Now Playing12minWhy Do Schools Teach Sex Education?
- Now Playing7minHow Your Rubber Ducky Explains Colonialism
- Now Playing10minIs Breakfast the Most Important Meal?
- Now Playing10minWhy was Pink for Boys and Blue for Girls?
- Now Playing8minWhy is there a North and South Korea?
- Now Playing7minHow Columbus Invented Cannibals
- Now Playing11minWhy Do We Have Private Prisons?
- Now Playing8minWhy Do People Have Pets?
- Now Playing8minWhy Was Crossdressing Illegal?
- Now Playing8minWhy Do Women Give Birth Lying Down?
- Now Playing7minWhy Do We Say "Asian American" Not "Oriental"?
- Now Playing8minWhen DId Marriage Become about Love?
- 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 Playing7minLove and Money
- Now Playing6minDo I Need To Buy A House?
- Now Playing7minIs It Even POSSIBLE to Save for Retirement?
- 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 Playing6minMoving Without Spending a Fortune
- Now Playing6minWomen Financial Superpowers
- Now Playing5minHow Cars Can Keep You Poor
- Now Playing5minHow are credit scores calculated?
- Now Playing8min5 Strange Investor Crazes!
- Now Playing5minHow Do Your Tax Dollars Get Spent?
- Now Playing6minDoes Wealth Make You Meaner?
- Now Playing6minWhat the Heck Are Mutual Funds?
- Now Playing4minWhat is the DOW?
- Now Playing6minShould You Break Up With Your Big Bank?
- Now Playing6minThe Ugly Truth About Airline Miles
- Now Playing7minIs the Stock Market Just a Big Casino?
- Now Playing5minBudgeting Basics
- Now Playing8min5 Ways People Are Dumb About Money
Monstrum
- Now Playing17minModern Zombies: The Rebirth of the Undead
- Now Playing10minIs Yuki-onna the Most Terrifying Snow Monster?
- Now Playing12minThe Origins of 'Big Bug' Science Fiction
- Now Playing13minLeprechaun: From Gold-Loving Cobbler to Cultural Icon
- Now Playing11minCan All Monsters Be Traced Back to Tiamat?
- Now Playing10minHow Bloody Mary Turns Fear Into Fun
- Now Playing10minThe Enchanting Fairies of Celtic Lore
- Now Playing10minPontianak: The Vampiric Ghost of Southeast Asia
- Now Playing15minBaba Yaga: The Ancient Origins of the Famous 'Witch'
- Now Playing8minWerehyena: The Terrifying Shapeshifters of African Lore
- Now Playing13minWhat Happened During Our Scary Slumber Party
- Now Playing12minDeath Worms: Fact or Fiction?
- Now Playing13minThe SCP Foundation: Declassified
- Now Playing10minYara-ma-yha-who: Australia's Regurgitating, Blood-Sucking Mo
- Now Playing10minWill-o'-the-Wisp: Monstrous Flame or Scientific Phenomenon?
- Now Playing6minThe Origin of Medusa
- Now Playing11minBasilisk or Cockatrice? The Mysterious King of Serpents
- Now Playing10minJorōgumo: The Deadly Spider Woman from Yokai Lore
- Now Playing6minRethinking Frankenstein's Monster
- Now Playing11minThe Original Urban Legend: Spring-Heeled Jack
Eons
- Now Playing8minHow Did Our Most Famous Ancestor Really Die?
- Now Playing10minThese Creatures Were Darwin's Greatest Enemy
- Now Playing10minThe Neanderthals That Taught Us About Humanity
- Now Playing10minWhen We First Made Tools
- Now Playing5minWhen Whales Walked
- Now Playing10minWhen Humans Were Prey
- Now Playing10minHow Weasels Got Skinny
- Now Playing12minWhen Birds Had Teeth
- Now Playing12minWhere Are All the Medium-Sized Dinosaurs?
- Now Playing10minThe World Before Plate Tectonics
- Now Playing8minThe Hellacious Lives of the "Hell Pigs"
- Now Playing8minInside the Dinosaur Library
- Now Playing8minDo Thunderbeasts Prove Giant Animals Are Inevitable?
- Now Playing12minWhen Antarctica Was Green
- Now Playing12minThe Humans That Lived Before Us
- Now Playing10minThat Time the American West Blew Up
- Now Playing12minAnimals Are Older Than We Thought
- Now Playing10minHow Dogs (Eventually) Became Our Best Friends
- Now Playing9minAre We All Actually Archaea?
- Now Playing9minWhen Apes Conquered Europe
Hot Mess
- 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 Playing6minWhat if Carbon Emissions Stopped Tomorrow?
- Now Playing5minWhat's actually the worst greenhouse gas?
- Now Playing5minWhat Can You Actually Do About Climate Change?
- Now Playing5minHow A Sticker Kept 3 Billion Tons of CO2 Out of The Air
- 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 Playing5minBeef Is Bad For The Climate. Can We Make It Better?
- Now Playing5minClimate change will push millions out. Where will they go?
- Now Playing6minWhat if Carbon Emissions Stopped Tomorrow?
- Now Playing11minClimate Change is Too Big for our Brains feat. Mike Rugnetta
- Now Playing6minWhat Indigenous Communities Teach Us About Climate Change
- 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 Playing4minCould Space Mirrors Cool The Globe?
Space Time
- Now Playing13minCan Space Be Infinitely Divided?
- Now Playing11minExtraterrestrial Superstorms
- Now Playing17minWhat's Your Brain's Role in Creating Space & Time?
- Now Playing12minNeutron Stars Collide in New LIGO Signal?
- Now Playing11minSupervoids vs Colliding Universes!
- Now Playing13minThe Secrets of Feynman Diagrams
- Now Playing12minThe Nature of Nothing
- Now Playing16minHow Are Quasiparticles Different From Particles?
- Now Playing13minSound Waves from the Beginning of Time
- Now Playing14minHow Many States Of Matter Are There?
- Now Playing11minThe Unruh Effect
- Now Playing13minWhy Did Attosecond Physics Win the Nobel Prize?
- Now Playing15minCan The Crisis in Cosmology Be Solved With Cosmic Voids?
- Now Playing15minThe Real Possibility of Mapping Alien Planets!
- Now Playing14minHow We Know The Earth Is Ancient
- Now Playing11minWhy Quasars are so Awesome
- Now Playing10minWhat's Wrong With the Big Bang Theory?
- Now Playing13minDark Flow
- Now Playing15minCould We Decode Alien Physics?
- Now Playing13minWill You Travel to Space?
Beat Making Lab
- Now Playing2minWalshy Fire [of Major Lazer] Wants Your Riddims
- Now Playing4minCho Cho Cho (Music Video) filmed in Goma, Congo
- Now Playing10minHeartbeats of Fiji
- Now Playing2minMashup: National Anthems
- Now Playing2minField Trip: Prison Beats
- Now Playing3minGet Your Drums Right
- Now Playing3minPanama: Meet the Kids Behind the Beats
- Now Playing2minWhat's In the Backpack?
- Now Playing5minBehind the Beat: Portobelo
- Now Playing3minBeat Making Challenge #1: Accordion Trap
- Now Playing4minTrapped In Paradise
- Now Playing2minHealth Worker Beat
- Now Playing3minSampling w/ Flip Flops and Ski Beatz
- Now Playing3minBehind The Beat: First Beat Making Lab (2011)
- Now Playing4minPortobelo (music video)
- Now Playing3min#FijiChallenge w/ Walshy Fire of Major Lazer
- Now Playing3minProf. Angel Sound Prison Beats Interview
- Now Playing3minFemale Hip Hop Crew Makes Beats in Senegal
- Now Playing3minBeat Making Challenge #2: Kora Riddim
- Now Playing3minExclusive Zenga (Music Video) by Flamme Kapaya
Infinite Series
- Now Playing9minCan You Solve the Poison Wine Challenge?
- Now Playing10minThe Mathematics of Diffie-Hellman Key Exchange
- Now Playing10minUnraveling DNA with Rational Tangles
- Now Playing11minVoting Systems and the Condorcet Paradox
- Now Playing12minProving Pick's Theorem
- Now Playing11minTopology vs "a" Topology
- Now Playing13minNetwork Mathematics and Rival Factions | Infinite Series
- Now Playing14minMaking Probability Mathematical
- Now Playing9minProving Brouwer's Fixed Point Theorem
- Now Playing8minAre Prime Numbers Made Up?
- Now Playing14minTopology Riddles | Infinite Series
- Now Playing9minAssociahedra: The Shapes of Multiplication
- Now Playing10minInstant Insanity Puzzle
- Now Playing8minA Breakthrough in Higher Dimensional Spheres
- Now Playing14minSolving the Wolverine Problem with Graph Coloring
- Now Playing8minThe Multiplication Multiverse
- Now Playing12minHow Infinity Explains the Finite
- Now Playing14minCan We Combine pi & e to Make a Rational Number?
- Now Playing11minCan We Hear Shapes?
- Now Playing14minInfinite Chess
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 Playing4minAre Mashups the End of Music Genres?
- Now Playing5minIs William Gibson A Modern Day Oracle?
- Now Playing6minShould "Happy Birthday" be Protected by Copyright?
- Now Playing6minIs Doctor Who a Religion?
- Now Playing5minA Visit to Mr. Monfre's Class
- Now Playing5minThere's No Such Thing as Online?!?