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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 Playing21minInterstellar Expansion WITHOUT Faster Than Light Travel
- Now Playing12minIs This North American Sea Serpent Real or a Hoax?
- Now Playing13minComputers Can Predict When You're Going to Die... Here's How
- Now Playing10minHow Do You Preserve a Thousands Year Old Musical Style?
- Now Playing14minWhy This Mexican Genre Is Growing As Fast As K-Pop
- Now Playing17minWhat Happens If You Jump Into A Black Hole?
- Now Playing11minNo Single Cradle of Humankind
- Now Playing14minOur Understanding of Floods is ALL Wrong
- Now Playing10minWhy Do We Use Cringey Words for Loved Ones?
- Now Playing22minCan AI Help Us Talk to Whales?
It's Okay to Be Smart
- Now Playing6minWhy Are Cicadas So Good At Math?
- Now Playing8minNobel Prizes: Past, Present... and Future?
- Now Playing7minInside the World of Fire Ants!
- Now Playing7minCould You Be Immune To Everything?
- Now Playing6minHow The Pyramids Were Built (Pyramid Science Part 2)
- Now Playing8minThe Deadliest Flu Season in History?
- Now Playing6minThe Oldest Living Things In The World
- Now Playing6minRelationship Advice from the Animal Kingdom
- Now Playing5minWhy Do We Itch?
- Now Playing5minSolving the Puzzle of Plate Tectonics
- Now Playing5minDe-Extinction: A Mammoth Undertaking
- Now Playing4minThe Surprising Places We Waste Energy
- Now Playing8minWhy Do We Have to Sleep
- Now Playing3minWhere Does the Smell of Rain Come From?
- Now Playing3minBuilding Curiosity
- Now Playing4minCuttlefish: Tentacles In Disguise
- Now Playing7minWhich Life Form REALLY Dominates Earth?
- Now Playing9minSo You Want to go to Mars?
- Now Playing6minThe Surprising Origin of Thanksgiving Foods
- Now Playing6minThe Delicious Science of CHEESE!
Origin of Everything
- 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
- Now Playing8minWhy Do We Eat Artificial Flavors?
- Now Playing12minWhy Do We Have Housing Projects?
- 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 Playing9minThe Origin of Gender
- Now Playing7minThe True Origin of Killer Clowns
- Now Playing8minWhy Did Europeans Enslave Africans?
- Now Playing9minThe Origin of Gender
- Now Playing9minWhy Do All Malls Look the Same?
- Now Playing8minWhere does the Nuclear Family Come From?
- 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?
Two Cents
- Now Playing5minHow Do Your Tax Dollars Get Spent?
- Now Playing8min5 Strange Investor Crazes!
- Now Playing5minHow are credit scores calculated?
- Now Playing6minHacking Your Brain to Get Out Of Debt
- Now Playing6minWhat Are The Most Lucrative Trades?
- Now Playing7minCan You Really Retire in Your 30s?
- Now Playing5minHow Cars Can Keep You Poor
- Now Playing6minWomen Financial Superpowers
- Now Playing6minMoving Without Spending a Fortune
- Now Playing7minLove and Money
- Now Playing7minIs It Even POSSIBLE to Save for Retirement?
- Now Playing6minDo I Need To Buy A House?
- Now Playing6minShould I Buy Bitcoin?
- Now Playing6minWhat is The Cost of Pet Ownership?
- Now Playing8minAre "Free" Video Games Really Free?
- Now Playing8min5 Ways People Are Dumb About Money
- Now Playing6minHow Do You Actually Buy A House?
- Now Playing7minIs the Stock Market Just a Big Casino?
- Now Playing5minBudgeting Basics
- Now Playing6minWhat the Heck Are Mutual Funds?
Monstrum
- Now Playing11minThe Original Urban Legend: Spring-Heeled Jack
- Now Playing6minRethinking Frankenstein's Monster
- Now Playing10minJorōgumo: The Deadly Spider Woman from Yokai Lore
- Now Playing11minBasilisk or Cockatrice? The Mysterious King of Serpents
- Now Playing6minThe Origin of Medusa
- Now Playing10minWill-o'-the-Wisp: Monstrous Flame or Scientific Phenomenon?
- Now Playing11minThe Fatal Song of the Sirens
- Now Playing8minNuckelavee: Scotland's Skinless Evil Monstrosity
- Now Playing14minThe Evolution of Creepy Dolls
- Now Playing8minCreepy Clowns: The Horror Behind the Laughter
- Now Playing12minWas Púca the Nightmare Bunny That Inspired Donnie Darko?
- Now Playing10minHow Bloody Mary Turns Fear Into Fun
- Now Playing11minCan All Monsters Be Traced Back to Tiamat?
- Now Playing12minThe Origins of 'Big Bug' Science Fiction
- Now Playing13minLeprechaun: From Gold-Loving Cobbler to Cultural Icon
- Now Playing17minModern Zombies: The Rebirth of the Undead
- Now Playing10minIs Yuki-onna the Most Terrifying Snow Monster?
- Now Playing10minYara-ma-yha-who: Australia's Regurgitating, Blood-Sucking Mo
- Now Playing12minIs This North American Sea Serpent Real or a Hoax?
- Now Playing13minWhat Happened During Our Scary Slumber Party
Eons
- Now Playing10minHow We Figured Out Fermentation
- Now Playing7minThe Creature That Stumped Darwin
- Now Playing9minHow Plankton Created A Bizarre Giant of the Seas
- Now Playing8minWhen Trees Took Over the World
- Now Playing10minHow Plants Caused the First Mass Extinction
- Now Playing11minThe Hazy Evolution of Cannabis
- Now Playing9minDid a Tsunami Swallow Part of Europe?
- Now Playing6minThe Search for the Earliest Life
- Now Playing12minYour Place in the Primate Family Tree
- Now Playing5minWhen Did the First Flower Bloom?
- Now Playing13minWere These Monsters Inspired by Fossils?
- Now Playing11minThe Age of Reptiles in Three Acts
- Now Playing4minThe Tully Monster & Other Problematic Creatures
- Now Playing6minWhen The Earth Was Purple
- Now Playing5minThe Biggest Thing That Ever Flew
- Now Playing11minThe Mystery Behind the Biggest Bears of All Time
- Now Playing6minWhat Colors Were Dinosaurs?
- Now Playing11minThe Triassic Reptile With "Two Faces"
- Now Playing8minThe Mystery of the Eocene's Lethal Lake
- Now Playing11minWhen Penguins Went From The Sky To The Sea
Hot Mess
- 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 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 Playing4minWhy Are Hurricanes Getting Stronger?
- Now Playing5minWhat the Cutest Animal Can Teach Us About Saving Ourselves
- Now Playing4minCould Space Mirrors Cool The Globe?
- Now Playing3minCould climate change make you allergic to meat?
- Now Playing5minWhy We Confuse Weather and Climate
- Now Playing6minWould Your Neighbors Save You From a Flooding Home?
- Now Playing5minWhy Don't We Hear About the Ozone Hole Anymore?
Space Time
- Now Playing13minWhy We Might Be Alone in the Universe
- Now Playing8minKronos: Devourer Of Worlds
- Now Playing10minThe Eye of Sauron Reveals a Forming Solar System!
- Now Playing15minWhat if Singularities DO NOT Exist?
- Now Playing8minLIGO's First Detection of Gravitational Waves!
- Now Playing13minHow To See Black Holes By Catching Neutrinos
- Now Playing11minThe Misunderstood Nature of Entropy
- Now Playing10minStrange Stars
- Now Playing13minPilot Wave Theory and Quantum Realism
- Now Playing12minWhat Happens at the Event Horizon?
- Now Playing14minLoop Quantum Gravity Explained
- Now Playing13minIs Earth's Magnetic Field Reversing?
- Now Playing14minThe Crisis in Cosmology
- Now Playing9minThe Star at the End of Time
- Now Playing6minThe Calendar, Australia & White Christmas
- Now Playing10minTelescopes on the Moon
- Now Playing10minWhat Does Dark Energy Really Do?
- Now Playing14minWhat are the Strings in String Theory?
- Now Playing14minCould the Universe End by Tearing Apart Every Atom?
- Now Playing10minSelf-Replicating Robots and Galactic Domination
Beat Making Lab
- Now Playing4minDiablos (music video)
- Now Playing3minEpisode 1: Goma, Congo
- 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 Playing3minProf. Angel Sound Prison Beats Interview
- Now Playing3min#FijiChallenge w/ Walshy Fire of Major Lazer
- Now Playing3minBehind The Beat: First Beat Making Lab (2011)
- Now Playing4minPortobelo (music video)
- Now Playing3minSampling w/ Flip Flops and Ski Beatz
- Now Playing2minHealth Worker Beat
- Now Playing4minTrapped In Paradise
- Now Playing2minWhat's In the Backpack?
- Now Playing5minBehind the Beat: Portobelo
- Now Playing3minBeat Making Challenge #1: Accordion Trap
- Now Playing3minPanama: Meet the Kids Behind the Beats
- Now Playing2minField Trip: Prison Beats
- Now Playing3minGet Your Drums Right
- Now Playing10minHeartbeats of Fiji
- Now Playing2minMashup: National Anthems
Infinite Series
- 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 Playing13minNetwork Mathematics and Rival Factions | Infinite Series
- Now Playing10minInstant Insanity Puzzle
- Now Playing8minTelling Time on a Torus
- Now Playing11minDefining Infinity
- Now Playing11minThe Geometry of SET
- Now Playing16minHow to Break Cryptography
- Now Playing9minAssociahedra: The Shapes of Multiplication
- Now Playing14minBuilding an Infinite Bridge
- Now Playing13minWhat is a Random Walk?
- Now Playing11minWhat was Fermat's "Marvelous" Proof?
- Now Playing14minKill the Mathematical Hydra
- Now Playing14minHow Big are All Infinities Combined? (Cantor's Paradox)
- Now Playing8minThe Multiplication Multiverse
- Now Playing8minTelling Time on a Torus
- Now Playing14minCan We Combine pi & e to Make a Rational Number?
Idea Channel
- Now Playing8minIs Sad Music Actually Sad?
- Now Playing9minDoes Math Really Exist?
- Now Playing6minIs Doctor Who a Religion?
- 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 Playing3minIs the Web Browser Replacing the Art Gallery?
- Now Playing5minAre You a Hipster?
- 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 Playing7minCan Dungeons & Dragons Make You Confident & Successful?
- Now Playing6minAre MP3s & Vinyl Better than Live Music?
- Now Playing4minHas the Microsoft Kinect revolutionized art?
- Now Playing5minIs Facebook Changing Our Identity?
- Now Playing6minWhat do MP3s and Magic Spells Have in Common?