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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 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 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?
- Now Playing16minWhy Is The World Rushing Back To The Moon?
- Now Playing11minThe Hazy Evolution of Cannabis
- Now Playing11minMeasuring the Universe With a 14-Billion Light-Year Ruler
It's Okay to Be Smart
- Now Playing5minSolving the Puzzle of Plate Tectonics
- Now Playing6minRelationship Advice from the Animal Kingdom
- Now Playing5minWhy Do We Itch?
- Now Playing4minThe Surprising Places We Waste Energy
- Now Playing8minWhy Do We Have to Sleep
- Now Playing5minDe-Extinction: A Mammoth Undertaking
- Now Playing8minNobel Prizes: Past, Present... and Future?
- Now Playing7minInside the World of Fire Ants!
- Now Playing7minCould You Be Immune To Everything?
- Now Playing6minWhy Are Cicadas So Good At Math?
- Now Playing6minThe Oldest Living Things In The World
- Now Playing6minHow The Pyramids Were Built (Pyramid Science Part 2)
- Now Playing8minThe Deadliest Flu Season in History?
- Now Playing6minThe Surprising Origin of Thanksgiving Foods
- Now Playing9minSo You Want to go to Mars?
- Now Playing5minWhy Do We Itch?
- Now Playing4minWe're Mainly Microbe: Meet Your Microbiome
- Now Playing8minIs Space A Thing?
- Now Playing5minBeavers: The Smartest Things in Fur Pants
- Now Playing3minDoes Evolution Have a Point? 12 Days of Evolution #12
Origin of Everything
- Now Playing8minWhen DId Marriage Become about Love?
- Now Playing7minWhy Do We Say "Asian American" Not "Oriental"?
- Now Playing8minWhy Was Crossdressing Illegal?
- Now Playing8minWhy Do Women Give Birth Lying Down?
- Now Playing8minWhy Do People Have Pets?
- Now Playing11minWhy Do We Have Private Prisons?
- 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 Playing7minHow Your Rubber Ducky Explains Colonialism
- Now Playing10minIs Breakfast the Most Important Meal?
- Now Playing12minWhy Do Schools Teach Sex Education?
- Now Playing7minHow did Makeup, WWII, & Communism Create U.S. Healthcare?
- Now Playing10minHow Did Martin Luther King Jr. Get a Holiday?
- Now Playing10minWhat is Cultural Appropriation?
- Now Playing8minWhy Do Women Give Birth Lying Down?
- Now Playing7minHistory of the Word "Gay"
- Now Playing7minIs Poisoned Halloween Candy a Myth?
- Now Playing8minWhy Do We Get Grades in School?
- Now Playing10minWhy Does the Government Need to Know My Race?
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 Playing6minDoes Wealth Make You Meaner?
- Now Playing6minWhat the Heck Are Mutual Funds?
- 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 Playing6minRethinking Frankenstein's Monster
- Now Playing11minThe Original Urban Legend: Spring-Heeled Jack
- Now Playing10minJorōgumo: The Deadly Spider Woman from Yokai Lore
- Now Playing11minBasilisk or Cockatrice? The Mysterious King of Serpents
- Now Playing10minWill-o'-the-Wisp: Monstrous Flame or Scientific Phenomenon?
- Now Playing6minThe Origin of Medusa
- 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 Playing10minHow Bloody Mary Turns Fear Into Fun
- Now Playing11minCan All Monsters Be Traced Back to Tiamat?
- Now Playing13minLeprechaun: From Gold-Loving Cobbler to Cultural Icon
- Now Playing12minThe Origins of 'Big Bug' Science Fiction
- 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 Playing13minThe SCP Foundation: Declassified
- Now Playing13minWhat Happened During Our Scary Slumber Party
Eons
- Now Playing9minHow the Turtle Got Its Shell
- Now Playing9minWhat a Dinosaur Looks Like Under a Microscope
- Now Playing10minYou're Living On An Ant Planet
- Now Playing11minWhen the Synapsids Struck Back
- Now Playing9minThe Island of the Last Surviving Mammoths
- Now Playing8minWe Were Wrong About The Dodo
- Now Playing10minThe Missing Link That Wasn't
- Now Playing8minWhen the Sahara Was Green
- Now Playing8minPrimates vs Snakes (An Evolutionary Arms Race)
- Now Playing9minWhen Plants Doubled Their DNA
- Now Playing10minHow Whale Evolution Kind Of Sucked
- Now Playing12minWhen We Tamed Fire
- Now Playing10minWhen Fish Wore Armor
- Now Playing8minThe Extinction That Never Happened
- Now Playing9minWhen Fish First Breathed Air
- Now Playing10minWhen Giant Amphibians Reigned
- Now Playing10minWhy The Giraffe Got Its Neck
- Now Playing11minWhat Happened to the World's Greatest Ape?
- Now Playing11minWhen the Earth Suddenly Stopped Warming
- Now Playing6minWhat Colors Were Dinosaurs?
Hot Mess
- Now Playing4minCould Space Mirrors Cool The Globe?
- Now Playing6minCan We Get Solar Power To Everyone Who Wants It?
- Now Playing5minWhy Don't We Hear About the Ozone Hole Anymore?
- Now Playing10minThe Link Between Extreme Weather and Climate Change
- Now Playing5minWhat Can You Actually Do About Climate Change?
- Now Playing5minCan Farms and Forests Coexist?
- Now Playing6minWould Your Neighbors Save You From a Flooding Home?
- Now Playing5minWhy We Confuse Weather and Climate
- Now Playing4minCould Space Mirrors Cool The Globe?
- Now Playing3minCould climate change make you allergic to meat?
- Now Playing8minHow One Conservative Texas Town Went 100% Renewable
- Now Playing9minHow to Talk About Climate Change
- Now Playing5minHow A Sticker Kept 3 Billion Tons of CO2 Out of The Air
- Now Playing7minHow To Make Clothes Less Terrible for the Planet
- Now Playing6minWhat Indigenous Communities Teach Us About Climate Change
- Now Playing11minClimate Change is Too Big for our Brains feat. Mike Rugnetta
- Now Playing5minBeef Is Bad For The Climate. Can We Make It Better?
- Now Playing6minWhat if Carbon Emissions Stopped Tomorrow?
- Now Playing5minClimate change will push millions out. Where will they go?
- Now Playing5minWe've Ignored Climate Change For More Than a Century
Space Time
- Now Playing9minWhen Time Breaks Down
- Now Playing15minHow Does The Nucleus Hold Together?
- Now Playing16minWhat Makes The Strong Force Strong?
- Now Playing10minQuantum Vortices and Superconductivity + Challenge Answers
- Now Playing10minWhat Physics Teachers Get Wrong About Tides!
- Now Playing10minThe Oh My God Particle
- Now Playing12minThe Missing Mass Mystery
- Now Playing10minThe Oh My God Particle
- Now Playing12minReversing Entropy with Maxwell's Demon
- Now Playing12minWill Constructor Theory REWRITE Physics?
- Now Playing7minHow to Signal Aliens
- Now Playing16minCould We Terraform Mars?
- Now Playing17minWhat If Black Holes Are Dark Energy?
- Now Playing9minIs There a Fifth Fundamental Force? + Quantum Eraser Answer
- Now Playing16minWhy String Theory is Wrong
- Now Playing13minThe Cosmic Dark Ages
- Now Playing14minWhat Caused the Big Bang?
- Now Playing16minThe New Science of Moon Formation
- Now Playing11minWhy Haven't We Found Alien Life?
- Now Playing14minWhy Quantum Computing Requires Quantum Cryptography
Beat Making Lab
- Now Playing3min#FijiChallenge w/ Walshy Fire of Major Lazer
- Now Playing3minProf. Angel Sound Prison Beats Interview
- 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 Playing3minEpisode 1: Goma, Congo
- Now Playing4minDiablos (music video)
- Now Playing4minTrapped In Paradise
- Now Playing2minHealth Worker Beat
- Now Playing3minSampling w/ Flip Flops and Ski Beatz
- Now Playing4minPortobelo (music video)
- Now Playing3minBehind The Beat: First Beat Making Lab (2011)
- Now Playing2minMashup: National Anthems
- Now Playing10minHeartbeats of Fiji
- Now Playing3minGet Your Drums Right
- Now Playing2minField Trip: Prison Beats
- Now Playing3minPanama: Meet the Kids Behind the Beats
- Now Playing3minBeat Making Challenge #1: Accordion Trap
- Now Playing2minWhat's In the Backpack?
- Now Playing5minBehind the Beat: Portobelo
Infinite Series
- Now Playing15minDissecting Hypercubes with Pascal's Triangle
- Now Playing14minInfinite Chess
- Now Playing11minVoting Systems and the Condorcet Paradox
- Now Playing11minSingularities Explained
- Now Playing9minBeyond the Golden Ratio
- Now Playing8minHow to Divide by "Zero"
- Now Playing12minThe Honeycombs of 4-Dimensional Bees ft. Joe Hanson
- Now Playing14minTopology Riddles | Infinite Series
- Now Playing10minUnraveling DNA with Rational Tangles
- 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 Playing9minA Hierarchy of Infinities
- Now Playing15minArrow's Impossibility Theorem
- 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
Idea Channel
- Now Playing4minIs Twitter the Newest Form of Literature?
- Now Playing4minHas the Microsoft Kinect revolutionized art?
- Now Playing3minIs the Web Browser Replacing the Art Gallery?
- Now Playing4minFrom Sherlock Holmes to 50 Shades of Grey
- Now Playing9minWill Kickstarter Replace Hollywood?
- Now Playing5minNicolas Cage, Taoism, and YOLO
- 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 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 Playing5minIs Homestuck the Ulysses of the Internet?
- Now Playing5minA Visit to Mr. Monfre's Class