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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 Playing8minHow Evolution Turned A Possum Into A Wolf
- Now Playing3minDoes The Moon Really Orbit The Earth?
- Now Playing7min3 Incredible Examples of Evolution Hidden In Your Body
- Now Playing6minThe Cheerios Effect
- Now Playing5minDo Fish Pee?
- Now Playing6minDo Trees Talk?
- Now Playing7minYour Salad Is Trying To Kill You
- Now Playing6minThe Amazing Science of DUST?
- Now Playing6minWhy Did We Blow On Nintendo Games?
- Now Playing5minDe-Extinction: A Mammoth Undertaking
- Now Playing6minIlluminating the Universe: The History of Light
- Now Playing6min100,000,000 Years From Now
- Now Playing6minWhy Salt & Pepper?
- Now Playing5minHow Does A Canyon Become Grand?
- Now Playing3minEight Incredible Deep Sea Oddities
- Now Playing6minVENOM: Nature's Killer Cocktails
- Now Playing3minElectric Buzzaloo: How Bees See the Invisible
- Now Playing4minThere Was No First Human
- Now Playing7minWhy Do Disney Princesses All Look Like Babies?
- Now Playing7minWhat Are The Most Important Science Images Ever?
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 Playing11minWhy Do So Many Religions Have Headwear?
- Now Playing7minWhy Do We Eat Popcorn at The Movies?
- Now Playing10minWhy Do We Have Hobbies?
- Now Playing10minThe 2nd Amendment Explained
- Now Playing9minThe Origin of Gender
- Now Playing8minWhy Did Europeans Enslave Africans?
- Now Playing7minThe True Origin of Killer Clowns
- Now Playing10minWhat is Ethnicity?
- Now Playing8minWhy Do We Get Grades in School?
- Now Playing9minWhy Do We Drink Milk in School?
- Now Playing7minWhy Does Santa Wear Red?
- Now Playing12minSix Historically True Facts about Money
- Now Playing11minWhat is Racial Passing?
- Now Playing8minWhy Do People Have Pets?
- Now Playing6minWhy Do We Have Middle Names?
- Now Playing12minWhy Do We Have Housing Projects?
- Now Playing8minWhy Do We Eat Artificial Flavors?
Two Cents
- Now Playing7minLove and Money
- Now Playing7minIs It Even POSSIBLE to Save for Retirement?
- Now Playing6minDo I Need To Buy A House?
- Now Playing6minHacking Your Brain to Get Out Of Debt
- Now Playing7minCan You Really Retire in Your 30s?
- Now Playing6minWhat Are The Most Lucrative Trades?
- Now Playing5minHow Cars Can Keep You Poor
- Now Playing6minMoving Without Spending a Fortune
- Now Playing6minWomen Financial Superpowers
- Now Playing8min5 Strange Investor Crazes!
- Now Playing5minHow are credit scores calculated?
- Now Playing5minHow Do Your Tax Dollars Get Spent?
- Now Playing6minDoes Wealth Make You Meaner?
- Now Playing6minWhat the Heck Are Mutual Funds?
- Now Playing6minThe Ugly Truth About Airline Miles
- Now Playing6minShould You Break Up With Your Big Bank?
- Now Playing4minWhat is the DOW?
- Now Playing7minIs the Stock Market Just a Big Casino?
- Now Playing5minBudgeting Basics
- Now Playing8min5 Ways People Are Dumb About Money
Monstrum
- Now Playing11minThe Fatal Song of the Sirens
- Now Playing14minThe Evolution of Creepy Dolls
- Now Playing8minNuckelavee: Scotland's Skinless Evil Monstrosity
- Now Playing12minWas Púca the Nightmare Bunny That Inspired Donnie Darko?
- Now Playing8minCreepy Clowns: The Horror Behind the Laughter
- Now Playing11minThe Original Urban Legend: Spring-Heeled Jack
- Now Playing6minRethinking Frankenstein's Monster
- Now Playing11minBasilisk or Cockatrice? The Mysterious King of Serpents
- Now Playing10minJorōgumo: The Deadly Spider Woman from Yokai Lore
- Now Playing6minThe Origin of Medusa
- Now Playing10minWill-o'-the-Wisp: Monstrous Flame or Scientific Phenomenon?
- Now Playing10minYara-ma-yha-who: Australia's Regurgitating, Blood-Sucking Mo
- Now Playing13minThe SCP Foundation: Declassified
- Now Playing8minWerehyena: The Terrifying Shapeshifters of African Lore
- Now Playing15minBaba Yaga: The Ancient Origins of the Famous 'Witch'
- Now Playing13minWhat Happened During Our Scary Slumber Party
- Now Playing12minDeath Worms: Fact or Fiction?
- Now Playing10minPontianak: The Vampiric Ghost of Southeast Asia
- Now Playing10minThe Enchanting Fairies of Celtic Lore
- Now Playing10minHow Bloody Mary Turns Fear Into Fun
Eons
- Now Playing6minThe Search for the Earliest Life
- Now Playing9minDid a Tsunami Swallow Part of Europe?
- Now Playing5minWhen Did the First Flower Bloom?
- Now Playing12minYour Place in the Primate Family Tree
- Now Playing6minWhen The Earth Was Purple
- Now Playing11minThe Mystery Behind the Biggest Bears of All Time
- Now Playing5minThe Biggest Thing That Ever Flew
- Now Playing11minThe Triassic Reptile With "Two Faces"
- Now Playing6minWhat Colors Were Dinosaurs?
- Now Playing13minWere These Monsters Inspired by Fossils?
- Now Playing11minThe Age of Reptiles in Three Acts
- Now Playing4minThe Tully Monster & Other Problematic Creatures
- Now Playing7minThe Creature That Stumped Darwin
- Now Playing9minHow Plankton Created A Bizarre Giant of the Seas
- Now Playing10minHow We Figured Out Fermentation
- Now Playing10minHow Plants Caused the First Mass Extinction
- Now Playing8minWhen Trees Took Over the World
- Now Playing10minThe Facts About Dinosaurs & Feathers
- Now Playing10minWhen Ichthyosaurs Led a Revolution in the Seas
- Now Playing10minHow a Supervolcano Made the Cenozoic's Coolest Fossils
Hot Mess
- Now Playing5minWho Should Pay To Fix Climate Change?
- Now Playing5minClimate change will push millions out. Where will they go?
- Now Playing6minWill Big Oil Have To Pay Up Like Big Tobacco?
- Now Playing6minCan We Get Solar Power To Everyone Who Wants It?
- Now Playing6minWhat If We Burned All The World's Fossil Fuels?
- Now Playing5minWhy Don't We Hear About the Ozone Hole Anymore?
- Now Playing7minHow To Make Clothes Less Terrible for the Planet
- 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 Playing10minFeeling Guilty About Climate Change feat. Hank Green
- Now Playing7minWhat's The Best Car For The Climate?
- 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 Playing6minCoral Reefs Are Dying. But They Don't Have To.
- Now Playing4minHow Much Energy Does the Internet Use?
- Now Playing5minWhy Climate Change is Unjust
Space Time
- Now Playing12minNeutron Stars Collide in New LIGO Signal?
- Now Playing17minWhat's Your Brain's Role in Creating Space & Time?
- Now Playing13minCan Space Be Infinitely Divided?
- Now Playing11minExtraterrestrial Superstorms
- Now Playing16minHow Are Quasiparticles Different From Particles?
- Now Playing11minSupervoids vs Colliding Universes!
- Now Playing13minThe Secrets of Feynman Diagrams
- Now Playing12minThe Nature of Nothing
- Now Playing13minWhy Did Attosecond Physics Win the Nobel Prize?
- Now Playing11minThe Unruh Effect
- Now Playing13minSound Waves from the Beginning of Time
- Now Playing14minHow Many States Of Matter Are There?
- Now Playing14minHow We Know The Earth Is Ancient
- Now Playing15minCan The Crisis in Cosmology Be Solved With Cosmic Voids?
- Now Playing15minThe Real Possibility of Mapping Alien Planets!
- Now Playing13minWill We Ever Find Alien Life?
- Now Playing15minCould We Decode Alien Physics?
- Now Playing13minWill You Travel to Space?
- Now Playing9minWill Mars or Venus Kill You First?
- Now Playing13minDark Flow
Beat Making Lab
- Now Playing4minCho Cho Cho (Music Video) filmed in Goma, Congo
- Now Playing2minWalshy Fire [of Major Lazer] Wants Your Riddims
- Now Playing3minBeat Making Challenge #1: Accordion Trap
- Now Playing5minBehind the Beat: Portobelo
- Now Playing2minWhat's In the Backpack?
- Now Playing3minPanama: Meet the Kids Behind the Beats
- Now Playing3minGet Your Drums Right
- Now Playing2minField Trip: Prison Beats
- Now Playing2minMashup: National Anthems
- Now Playing10minHeartbeats of Fiji
- Now Playing4minPortobelo (music video)
- Now Playing3minBehind The Beat: First Beat Making Lab (2011)
- Now Playing3minSampling w/ Flip Flops and Ski Beatz
- Now Playing2minHealth Worker Beat
- Now Playing4minTrapped In Paradise
- Now Playing3minEpisode 1: Goma, Congo
- Now Playing4minDiablos (music video)
- Now Playing3minExclusive Zenga (Music Video) by Flamme Kapaya
- Now Playing3minBeat Making Challenge #2: Kora Riddim
- Now Playing3minFemale Hip Hop Crew Makes Beats in Senegal
Infinite Series
- Now Playing9minBeyond the Golden Ratio
- Now Playing10minThe Mathematics of Diffie-Hellman Key Exchange
- Now Playing17minHacking at Quantum Speed with Shor's Algorithm
- Now Playing11minTopology vs "a" Topology
- Now Playing10minWhat Does It Mean to Be a Number? (The Peano Axioms)
- Now Playing15minArrow's Impossibility Theorem
- Now Playing11minThe Geometry of SET
- Now Playing14minBuilding an Infinite Bridge
- Now Playing13minThe Mathematics of Quantum Computers
- Now Playing8minA Breakthrough in Higher Dimensional Spheres
- Now Playing14minSolving the Wolverine Problem with Graph Coloring
- Now Playing14minCan a Chess Piece Explain Markov Chains?
- Now Playing16minHow to Break Cryptography
- 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 Playing11minSingularities Explained
- Now Playing12minThe Honeycombs of 4-Dimensional Bees ft. Joe Hanson
- Now Playing10minThe Assassin Puzzle
- Now Playing17minSplitting Rent with Triangles
Idea Channel
- Now Playing4minIs Twitter the Newest Form of Literature?
- Now Playing4minHas the Microsoft Kinect revolutionized art?
- 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 Playing8minIs a Tagged Instagram More Than Just a Photo?
- Now Playing5minIs William Gibson A Modern Day Oracle?
- Now Playing6minIs Minecraft the Ultimate Educational Tool?
- Now Playing5minAre Memes and Internet Culture Creating a Singularity?
- Now Playing7minHow are Justin Bieber, Franz Liszt and Jerusalem Connected?
- Now Playing5minAre Olympic Competitors Geniuses?
- Now Playing4minAre LOLCats and Internet Memes Art?
- Now Playing4minRussian Meteorites and Surveillance Culture
- Now Playing4minAre Mashups the End of Music Genres?
- Now Playing5minIs William Gibson A Modern Day Oracle?
- Now Playing6minIs Doctor Who a Religion?
- Now Playing6minShould "Happy Birthday" be Protected by Copyright?
- Now Playing6minThe Retro Awesomeness of Adventure Time
- Now Playing5minIs Homestuck the Ulysses of the Internet?