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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 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
- 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?
It's Okay to Be Smart
- Now Playing6minIs Sugar A Drug?
- Now Playing5minWhen Is It Winter On Other Planets?
- Now Playing5minHow Your Body Knows Left From Right
- Now Playing9minAmazing Animal Superpowers
- Now Playing4minThe Surprising Places We Waste Energy
- Now Playing8minThe Science of Game of Thrones
- Now Playing9minAmazing Animal Superpowers
- Now Playing6minDo Plants Think?
- Now Playing7minDoes My Dog Know What I'm Thinking?
- Now Playing6minCRISPR and the Future of Human Evolution
- Now Playing9minWhy Do We Get Dizzy (...and Astronauts Don't?)
- Now Playing5minWhy Your Brain Is In Your Head
- Now Playing8min6 Chemical Reactions That Changed History
- Now Playing11minWhy Are So Many People Allergic To Food?
- Now Playing5minWhy Are The Bees Dying?
- Now Playing12minRecycling Is Broken. Here's How We Can Fix It.
- Now Playing6minHow The Pyramids Were Built (Pyramid Science Part 2)
- Now Playing6minThe Science of Snowflakes
- Now Playing7minCould You Be Immune To Everything?
- Now Playing5minWhat If There Were No Sharks?
Origin of Everything
- Now Playing9minWhy Do We Drink Milk in School?
- Now Playing10minHow Did Makeup Ads Go From Style to Science?
- Now Playing5minWhat Was Jesus' Real Name?
- Now Playing7minIs Poisoned Halloween Candy a Myth?
- Now Playing9minWhat If Islam Conquered Europe?
- Now Playing10minWhy Is There a Minimum Wage?
- Now Playing11minWhat is Racial Passing?
- Now Playing7minIs Poisoned Halloween Candy a Myth?
- Now Playing8minWhy Do Women Shave Their Legs?
- Now Playing8minWhy Do Kids Have Their Own Bedrooms?
- Now Playing7minThe True Origin of Killer Clowns
- Now Playing12minWhy Do Schools Teach Sex Education?
- Now Playing9minIs the Rosa Parks Story True?
- Now Playing7minHow Your Rubber Ducky Explains Colonialism
- Now Playing11minWhy Do So Many Religions Have Headwear?
- Now Playing10minHow WWII Created Godzilla & Mecha Robots
- 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?
Two Cents
- Now Playing6minThe Ugly Truth About Airline Miles
- Now Playing6minShould You Break Up With Your Big Bank?
- Now Playing4minWhat is the DOW?
- 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 Playing6minHow Do You Actually Buy A House?
- Now Playing8min5 Ways People Are Dumb About Money
- Now Playing8minAre "Free" Video Games Really Free?
- Now Playing6minShould I Buy Bitcoin?
- Now Playing6minWhat is The Cost of Pet Ownership?
- Now Playing7minIs It Even POSSIBLE to Save for Retirement?
- Now Playing6minDo I Need To Buy A House?
- Now Playing7minLove and Money
- Now Playing5minHow Cars Can Keep You Poor
- Now Playing6minWomen Financial Superpowers
- Now Playing6minMoving Without Spending a Fortune
- Now Playing6minHacking Your Brain to Get Out Of Debt
- Now Playing7minCan You Really Retire in Your 30s?
Monstrum
- Now Playing12minHave Humans Always Feared Sharks?
- Now Playing11minMapinguari: Fearsome Beast and Protector of the Amazon
- Now Playing17minAlien Abduction and UFOs: Why Are Grays So Common?
- Now Playing9minAdze: the Shapeshifting Firefly from West Africa
- Now Playing26minThe Killer Origins of the Werewolf
- Now Playing9minPost-Dracula Vampires: From Anne Rice to Twilight
- Now Playing13minUnicorns: Magical Icons or Violent Beasts?
- Now Playing10minTikbálang: The Filipino Nightmare Shapeshifter
- Now Playing12minAre Cyborgs Really Monsters?
- Now Playing12minWhat Hellhounds Reveal about Humans' Oldest Companion
- Now Playing8minBunyip: Australia's Mysterious Amphibian Monster
- Now Playing7minEl Chupacabras, a Modern Mystery
- Now Playing10minWhy the Dragon is Central to Chinese Culture
- Now Playing15minEgyptian Mummies: From Sacred Vessels to Scary Undead
- Now Playing7minWhat Dragons Say About Us
- Now Playing31minThe Werewolf's Modern Metamorphosis
- Now Playing12minBeyond the Supernatural Horror of the Nishi Daak Ghost
- Now Playing14minThe Untold Secrets of Pokémon's Monster Mythology
- Now Playing7minAre White Walkers Really Nordic Zombies?
- Now Playing7minRelease the Kraken!
Eons
- Now Playing9minThe Huge Extinctions We Are Just Now Discovering
- Now Playing9minThe Two People We're All Related To
- Now Playing10minWhen Ants Domesticated Fungi
- Now Playing6minThe Search for the Earliest Life
- Now Playing9minThe Two People We're All Related To
- Now Playing12minCan We Get DNA From Fossils?
- Now Playing10minHow 7,000 Years of Epic Floods Changed the World
- Now Playing7minWhen Giant Fungi Ruled
- Now Playing8minThe Extreme Hyenas That Didn't Last
- Now Playing5minStegosaurs: Tiny Brains & Thagomizers
- Now Playing6minHistory's Most Powerful Plants
- Now Playing10minA Short Tale About Diplodocus' Long Neck
- Now Playing13minFrom the Fall of Dinos to the Rise of Humans
- Now Playing10minWhat Will Earth Be Like 300 Million Years From Now?
- Now Playing10minFAQs From Our First Year
- Now Playing12minA Natural History of Mars
- Now Playing9minHow the Turtle Got Its Shell
- Now Playing8minWhere Did Viruses Come From?
- Now Playing9minThe Fossil Record In Your Mouth
- Now Playing11minHow We Identified One of Earth's Earliest Animals
Hot Mess
- Now Playing6minWould Your Neighbors Save You From a Flooding Home?
- Now Playing4minCould Space Mirrors Cool The Globe?
- Now Playing3minCould climate change make you allergic to meat?
- Now Playing5minWhy We Confuse Weather and Climate
- Now Playing4minCould Space Mirrors Cool The Globe?
- Now Playing5minWhy Don't We Hear About the Ozone Hole Anymore?
- Now Playing10minThe Link Between Extreme Weather and Climate Change
- Now Playing5minCan Farms and Forests Coexist?
- Now Playing5minWhat Can You Actually Do About Climate Change?
- Now Playing6minCan We Get Solar Power To Everyone Who Wants It?
- Now Playing7minHow To Make Clothes Less Terrible for the Planet
- 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 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 Playing6minWhat Indigenous Communities Teach Us About Climate Change
- Now Playing5minWe've Ignored Climate Change For More Than a Century
Space Time
- Now Playing11minWhy Quasars are so Awesome
- Now Playing12minWhat Survives Inside A Black Hole?
- Now Playing11min5 REAL Possibilities for Interstellar Travel
- Now Playing11minWe Are Star Stuff
- Now Playing11minHow Asteroid Mining Will Save Earth
- Now Playing13minDid Time Start at the Big Bang?
- Now Playing10minThe One-Electron Universe
- Now Playing8minIs The Alcubierre Warp Drive Possible?
- Now Playing13minThe Real Star Wars
- Now Playing10minIs Quantum Tunneling Faster than Light?
- Now Playing11minIs Gravity An Illusion?
- Now Playing12minThe Black Hole Information Paradox
- Now Playing9minGeneral Relativity & Curved Spacetime Explained!
- Now Playing8minDoes Dark Matter BREAK Physics?
- Now Playing10minThe Vacuum Catastrophe
- Now Playing6minS2: The Future of Gravitational Waves
- Now Playing9minBlack Hole Swarms
- Now Playing11minThe Geometry of Causality
- Now Playing18minAre Many Worlds & Pilot Wave The Same Theory?
- Now Playing11minAre You a Boltzmann Brain?
Beat Making Lab
- 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
- Now Playing4minDiablos (music video)
- Now Playing3minEpisode 1: Goma, Congo
- 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 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 Playing5minBehind the Beat: Portobelo
- Now Playing2minWhat's In the Backpack?
- Now Playing3minBeat Making Challenge #1: Accordion Trap
Infinite Series
- Now Playing9minBeyond the Golden Ratio
- Now Playing11minSingularities Explained
- Now Playing14minInfinite Chess
- Now Playing11minVoting Systems and the Condorcet Paradox
- Now Playing15minDissecting Hypercubes with Pascal's Triangle
- Now Playing10minUnraveling DNA with Rational Tangles
- Now Playing9minHow Many Humans Have the Same Number of Body Hairs?
- Now Playing12minThe Honeycombs of 4-Dimensional Bees ft. Joe Hanson
- Now Playing14minTopology Riddles | Infinite Series
- Now Playing9minHow Many Humans Have the Same Number of Body Hairs?
- Now Playing10minThe Assassin Puzzle
- Now Playing8minHow to Divide by "Zero"
- Now Playing9minA Hierarchy of Infinities
- Now Playing15minArrow's Impossibility Theorem
- Now Playing11minTopology vs "a" Topology
- Now Playing10minThe Mathematics of Diffie-Hellman Key Exchange
- Now Playing9minBeyond the Golden Ratio
- Now Playing17minHacking at Quantum Speed with Shor's Algorithm
- Now Playing8minA Breakthrough in Higher Dimensional Spheres
- Now Playing13minThe Mathematics of Quantum Computers
Idea Channel
- Now Playing5minWill Space Travel Save Us All?
- Now Playing8minIs Buying Call of Duty a Moral Choice?
- Now Playing5minDo We Want the World to End?
- Now Playing5minIs Dubstep the New Musical Avant-Garde?
- Now Playing5minIs Homestuck the Ulysses of the Internet?
- Now Playing4minIs Instagram Revolutionizing Photography?
- Now Playing5minIs Dubstep the New Musical Avant-Garde?
- Now Playing5minNicolas Cage, Taoism, and YOLO
- Now Playing8minWhy Do We Love Zombies?
- Now Playing6minAre Virtual Video Game Economies Becoming Real?
- Now Playing4minFrom Sherlock Holmes to 50 Shades of Grey
- Now Playing5minAre Memes and Internet Culture Creating a Singularity?
- Now Playing8minIs Piracy Helping Game of Thrones?
- Now Playing9minIs Community a Postmodern Masterpiece?
- Now Playing4minIs Twitter the Newest Form of Literature?
- Now Playing3minWhat Makes a Pop Star Authentic?
- Now Playing4minThe Bronies Phenomenon
- Now Playing6minWhat do MP3s and Magic Spells Have in Common?
- Now Playing5minIs Facebook Changing Our Identity?
- Now Playing4minHas the Microsoft Kinect revolutionized art?