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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 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
It's Okay to Be Smart
- Now Playing7minWhat Are The Most Important Science Images Ever?
- Now Playing7minWhy Do Disney Princesses All Look Like Babies?
- Now Playing4minThere Was No First Human
- Now Playing8minHow Evolution Turned A Possum Into A Wolf
- Now Playing3minElectric Buzzaloo: How Bees See the Invisible
- Now Playing6minVENOM: Nature's Killer Cocktails
- Now Playing3minEight Incredible Deep Sea Oddities
- Now Playing7minWhy Do More Species Live Near The Equator?
- Now Playing3minWhat Color is the Universe?
- Now Playing2minCan Evolution Make an Eye? - 12 Days of Evolution #4
- Now Playing6minWhich Came First - Flowers or Bees?
- Now Playing5minIs Inheritance Really All In Our Genes?
- Now Playing6minThe Science of Snowflakes
- Now Playing5minLife by the Numbers
- Now Playing6minIs Santa Real? (A Scientific Analysis)
- Now Playing6minPigeon Story: How the Rock Dove Became the Sky Rat
- Now Playing7min3 Incredible Examples of Evolution Hidden In Your Body
- Now Playing7minWhy Do We Laugh?
- Now Playing5minThis Rainforest Caterpillar Looks Like Donald Trump
- Now Playing5minRemembering Carl Sagan
Origin of Everything
- Now Playing8minWhy Do Women Give Birth Lying Down?
- Now Playing10minWhat is Cultural Appropriation?
- Now Playing10minHow Did Martin Luther King Jr. Get a Holiday?
- Now Playing7minIs Poisoned Halloween Candy a Myth?
- Now Playing7minHistory of the Word "Gay"
- Now Playing10minWhat is Ethnicity?
- Now Playing10minWhy Does the Government Need to Know My Race?
- Now Playing8minWhy Do We Get Grades in School?
- Now Playing7minWhen Men Wore High Heels
- Now Playing12minWhy Doesn't the US Have Paid Parental Leave?
- Now Playing8minWhy Do Women Give Birth Lying Down?
- Now Playing8minWhy Was Crossdressing Illegal?
- Now Playing7minWhy Do We Say "Asian American" Not "Oriental"?
- Now Playing8minWhen DId Marriage Become about Love?
- Now Playing11minWhy Do We Have Private Prisons?
- Now Playing8minWhy Do People Have Pets?
- Now Playing10minIs Breakfast the Most Important Meal?
- Now Playing7minHow Your Rubber Ducky Explains Colonialism
- Now Playing10minWhy was Pink for Boys and Blue for Girls?
- Now Playing8minWhy is there a North and South Korea?
Two Cents
- Now Playing7minLove and Money
- Now Playing6minDo I Need To Buy A House?
- Now Playing7minIs It Even POSSIBLE to Save for Retirement?
- 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 Playing6minWomen Financial Superpowers
- Now Playing6minMoving Without Spending a Fortune
- 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 Playing6minThe Ugly Truth About Airline Miles
- Now Playing6minShould You Break Up With Your Big Bank?
- Now Playing7minIs the Stock Market Just a Big Casino?
- Now Playing5minBudgeting Basics
- Now Playing8min5 Ways People Are Dumb About Money
Monstrum
- Now Playing7minWhat Dragons Say About Us
- Now Playing12minBeyond the Supernatural Horror of the Nishi Daak Ghost
- Now Playing31minThe Werewolf's Modern Metamorphosis
- Now Playing15minEgyptian Mummies: From Sacred Vessels to Scary Undead
- Now Playing7minEl Chupacabras, a Modern Mystery
- Now Playing10minWhy the Dragon is Central to Chinese Culture
- Now Playing8minBunyip: Australia's Mysterious Amphibian Monster
- Now Playing7minKasagonagá: The Cute, Kind Monster We All Need Right Now
- Now Playing13minUncovering the Enigma: Sasquatch Sightings
- Now Playing11minMari Lwyd: The Skeleton Horse's Deep Past with Christmas
- Now Playing13minFire Cat or Fire Cart? The History of Japan's Kasha
- Now Playing12minDon't Let Them In! The Urban Legends of Black-Eyed Children
- Now Playing12minTaotie: The Mystery of Chinese Mythology's Famous Glutton
- Now Playing14minThe Untold Secrets of Pokémon's Monster Mythology
- Now Playing7minAre White Walkers Really Nordic Zombies?
- Now Playing7minRelease the Kraken!
- Now Playing11minMapinguari: Fearsome Beast and Protector of the Amazon
- Now Playing12minHave Humans Always Feared Sharks?
- Now Playing9minPost-Dracula Vampires: From Anne Rice to Twilight
- Now Playing10minTikbálang: The Filipino Nightmare Shapeshifter
Eons
- Now Playing9minHow Plankton Created A Bizarre Giant of the Seas
- Now Playing7minThe Creature That Stumped Darwin
- Now Playing10minHow We Figured Out Fermentation
- Now Playing11minThe Hazy Evolution of Cannabis
- Now Playing10minHow Plants Caused the First Mass Extinction
- Now Playing8minWhen Trees Took Over the World
- Now Playing5minWhen Did the First Flower Bloom?
- Now Playing12minYour Place in the Primate Family Tree
- Now Playing6minThe Search for the Earliest Life
- Now Playing9minDid a Tsunami Swallow Part of Europe?
- Now Playing11minThe Triassic Reptile With "Two Faces"
- Now Playing6minWhat Colors Were Dinosaurs?
- Now Playing6minWhen The Earth Was Purple
- Now Playing11minThe Mystery Behind the Biggest Bears of All Time
- Now Playing5minThe Biggest Thing That Ever Flew
- Now Playing4minThe Tully Monster & Other Problematic Creatures
- Now Playing13minWere These Monsters Inspired by Fossils?
- Now Playing11minThe Age of Reptiles in Three Acts
- Now Playing9minThe Sudden Rise of the First Colossal Animal
- Now Playing8minWhere Did Viruses Come From?
Hot Mess
- Now Playing5minWhat Happened to Nuclear Power?
- Now Playing8minHow One Conservative Texas Town Went 100% Renewable
- Now Playing6minWill Big Oil Have To Pay Up Like Big Tobacco?
- Now Playing5minWhat's actually the worst greenhouse gas?
- Now Playing5minCan Farms and Forests Coexist?
- Now Playing4minWhy Are Hurricanes Getting Stronger?
- Now Playing6minCoral Reefs Are Dying. But They Don't Have To.
- Now Playing12minOur Food System is Rigged feat. Sheril Kirshenbaum
- Now Playing13minThe Rise of Climate Fiction feat. Lindsay Ellis & Amy Brady
- Now Playing4minHow Much Energy Does the Internet Use?
- Now Playing7minWhat's The Best Car For The Climate?
- Now Playing5minWhat Happened to Nuclear Power?
- Now Playing3minCould climate change make you allergic to meat?
- Now Playing6minWould Your Neighbors Save You From a Flooding Home?
- Now Playing11minClimate Change is Too Big for our Brains feat. Mike Rugnetta
- Now Playing5minWhy We Confuse Weather and Climate
- 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
- Now Playing6minWhat Indigenous Communities Teach Us About Climate Change
Space Time
- Now Playing15minHow To Know If It's Aliens
- Now Playing11minHow Asteroid Mining Will Save Earth
- Now Playing17minThorium and the Future of Nuclear Energy
- Now Playing10minThe Origin of Matter and Time
- Now Playing9minHow Close To The Sun Can Humanity Get?
- Now Playing16minHow Electron Spin Makes Matter Possible
- Now Playing11minCitizen Science
- Now Playing11minSuperluminal Time Travel + Time Warp Challenge Answer
- Now Playing19minAre Space and Time Real?
- Now Playing17minHow Does the Earth Really Move Through The Galaxy?
- Now Playing14minWhy String Theory is Right
- Now Playing16minWhat If Gravity is Not A Fundamental Force?
- Now Playing16minWhat If The Speed of Light is NOT CONSTANT?
- Now Playing12minThe Missing Mass Mystery
- Now Playing11minS2: The Quantum Experiment that Broke Reality
- Now Playing9min5 Ways to Stop a Killer Asteroid
- Now Playing11minWill A New Neutrino Change The Standard Model?
- Now Playing13minQuantum Theory's Most Incredible Prediction
- Now Playing15minDid Life on Earth Come from Space?
- Now Playing8minWhat Happens At The Edge Of The Universe?
Beat Making Lab
- 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
- Now Playing4minDiablos (music video)
- Now Playing3minEpisode 1: Goma, Congo
- 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?
Infinite Series
- Now Playing16minHow to Break Cryptography
- Now Playing9minThis Video was Not Encrypted with RSA
- Now Playing13minWhat is a Random Walk?
- 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
- Now Playing14minWhy Computers are Bad at Algebra
- 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
Idea Channel
- Now Playing9minIs a DOS Attack a Weapon?
- Now Playing4minThe Bronies Phenomenon
- Now Playing3minAn Interview with Minecraft EDU Creator Joel Levin
- 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?
- Now Playing5minA Visit to Mr. Monfre's Class
- Now Playing5minThere's No Such Thing as Online?!?
- Now Playing5minAre Olympic Competitors Geniuses?
- Now Playing5minIs CSS and Website Design a Fashion Statement?
- Now Playing5minHow will the Animated GIF affect the Presidential Election?
- Now Playing9minIs the Universe a Computer?
- Now Playing9minCan Video Games Become the Next Spectator Sport?
- Now Playing4minAre Mashups the End of Music Genres?
- Now Playing8minDo Knock-Offs Prove the Value of a Brand?
- Now Playing6minWhat do MP3s and Magic Spells Have in Common?
- Now Playing5minIs Facebook Changing Our Identity?
- Now Playing6minWhat Do Santa and Wrestling Have In Common?
- Now Playing9minWill Kickstarter Replace Hollywood?