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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 Playing27minNot "Business As Usual"
- Now Playing27minClimate Crossroads
- Now Playing27minWater Whiplash
- Now Playing27minAre We At The Tipping Point?
- Now Playing27minAdapt or Leave?
- Now Playing27minThe Heat is On
- Now Playing11minHow the Himalayas Changed the World
- Now Playing12minHow Black Artists Have Influenced Country Music
- Now Playing10minWhy This Unusual Pattern May Save the Rainforests
- Now Playing17minCan We Test Quantum Gravity?
It's Okay to Be Smart
- Now Playing8minAsteroids, Meteors, and Comets... OH MY!!!
- Now Playing6minWhat's The Hottest Hot and Coldest Cold?
- Now Playing7minMusical Tesla Coils in Slow Motion! Featuring Physics Girl
- Now Playing5minЩΉӨ BЦIƬ ƬΉΣ PYЯΛMIDƧ - Who Built The Pyramids
- Now Playing9minWhat If You Never Forgot Anything?
- Now Playing6minWhy Did We Blow On Nintendo Games?
- Now Playing3minYour Mom is LITERALLY Part Of You!
- Now Playing6minAsteroid Mining: Our Ticket To Living Off Earth?
- Now Playing5minThe Cosmic Origins of Earth's Water
- Now Playing5min23 Reasons to be Cheerful (Thanks to Science!)
- Now Playing8minWhere On Earth Do You Weigh The Least?
- Now Playing5minClaude Monet Was Half Honeybee
- Now Playing8minThe Science of BBQ!!!
- Now Playing5minRemembering Carl Sagan
- Now Playing5minHow Much Plastic is in the Ocean?
- Now Playing4minWhat Is Fire?
- Now Playing5minHow Many Smells Can You Smell?
- Now Playing3minWhere Does the Smell of Rain Come From?
- Now Playing6minHow Habits are Formed
- Now Playing5minWhy Does February Have 28 Days?
Origin of Everything
- Now Playing11minWhy Do We Have Private Prisons?
- Now Playing8minWhy Do People Have Pets?
- 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 Playing7minHow did Makeup, WWII, & Communism Create U.S. Healthcare?
- Now Playing12minWhy Do Schools Teach Sex Education?
- 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?
- Now Playing7minHow Columbus Invented Cannibals
- Now Playing7minIs Poisoned Halloween Candy a Myth?
- Now Playing7minHistory of the Word "Gay"
- Now Playing10minWhat is Cultural Appropriation?
- Now Playing8minWhy Do Women Give Birth Lying Down?
- Now Playing10minHow Did Martin Luther King Jr. Get a Holiday?
- Now Playing7minWhen Men Wore High Heels
- Now Playing12minWhy Doesn't the US Have Paid Parental Leave?
Two Cents
- Now Playing6minHow to Ask for a Raise
- Now Playing7minWhat's The Real Cost of Dying?
- Now Playing7minShould I Invest In Cannabis Stocks?
- Now Playing6minTop 5 Biggest Financial Scams
- Now Playing7minWhy It's More Expensive To Be Poor
- Now Playing6minI'm Young & Healthy, Can I Skip Health Insurance?
- Now Playing9minHow Smart Entrepreneurs Think About PRICES!
- Now Playing7minFighting the Financial Pitfalls of the Supermarket
- Now Playing7minHow Retailers Stalk You Online
- Now Playing5minInsta-Everything
- Now Playing5minDo Kids Need to Learn About Money?
- Now Playing7minIs Your Side Hustle Hustling You?
- Now Playing7minWhich College Majors Give the Most Bang for Your Buck?
- Now Playing6minIs My Identity Safe From Hackers?
- Now Playing6minFighting the Wedding Industrial Complex
- Now Playing7minMoney, A Global Game of Trust
- Now Playing6minDo I Need To Buy A House?
- Now Playing7minIs It Even POSSIBLE to Save for Retirement?
- Now Playing7minLove and Money
- Now Playing6minMoving Without Spending a Fortune
Monstrum
- Now Playing10minHow a Children's Book Introduced Us To Our Inner Demons
- Now Playing10minEl Silbón: The Deadly Whistler of the Grasslands
- Now Playing10minSlender Man: How The Internet Created a Monster
- Now Playing17minThe Origins of the Zombie, from Haiti to the U.S.
- Now Playing13minMonster Plants and the Humans who Invent Them
- Now Playing12minWho Is This Japanese Yōkai That Is Obsessed With Your Butt?
- Now Playing9minKrampus: Origins of the Yuletide Monster
- Now Playing20minWhy George Romero Changed Zombies Forever
- Now Playing10minA Giant Monster With a Giant Problem
- Now Playing14minHero, Beast, or Both? The Complex Lore of the Centaur
- Now Playing9minThe Hidden Origins of Nixie, the Scariest Little Mermaid
- Now Playing18minUnlocking the Mystery of Loch Ness
- Now Playing11minThe Macabre Origins of the Grim Reaper
- Now Playing12minHow Gargoyles Became Monsters
- Now Playing11minWhy Has the Majestic Griffin Been Forgotten?
- Now Playing17minTrolls: Scandinavia's Malevolent, Magical Outcasts
- Now Playing6minThe Original Headless Horseman
- Now Playing11minIs Siren Head the Ultimate Modern Monster?
- Now Playing12minHave Humans Always Feared Sharks?
- Now Playing11minMapinguari: Fearsome Beast and Protector of the Amazon
Eons
- Now Playing9minThe Raptor That Made Us Rethink Dinosaurs
- Now Playing5minWhen Did the First Flower Bloom?
- Now Playing10minNautiloids Thrived For 500 Million Years Until They Appeared
- Now Playing10minWhen Hobbits Were Real
- Now Playing7minThe Trouble With Trilobites
- Now Playing12minWhy Male Mammoths Lost the Game (w/ TierZoo!)
- Now Playing12minWhen We Took Over the World
- Now Playing12minWhen Giant Scorpions Swarmed the Seas
- Now Playing7minWhen Giant Fungi Ruled
- Now Playing12minWhen We First Talked
- Now Playing8minInside the Dinosaur Library
- Now Playing11minWhere Did Water Come From?
- Now Playing10minWhen We First Made Tools
- Now Playing6minWhat Colors Were Dinosaurs?
- Now Playing11minWhen the Earth Suddenly Stopped Warming
- Now Playing13minWhy Is It So Hard to Tell the Sex of a Dinosaur?
- Now Playing8minWhy Sour May Be The Oldest Taste
- Now Playing8minThe Risky Paleo Diets of Our Ancestors
- Now Playing8minWhen Giant Millipedes Reigned
- Now Playing10minWhen Giant Amphibians Reigned
Hot Mess
- Now Playing5minWhy We Confuse Weather and Climate
- Now Playing4minCould Space Mirrors Cool The Globe?
- Now Playing3minCould climate change make you allergic to meat?
- Now Playing6minWould Your Neighbors Save You From a Flooding Home?
- 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 Playing5minCan Farms and Forests Coexist?
- Now Playing5minWhat Can You Actually Do About Climate Change?
- Now Playing4minCould Space Mirrors Cool The Globe?
- Now Playing7minHow To Make Clothes Less Terrible for the Planet
- Now Playing5minHow A Sticker Kept 3 Billion Tons of CO2 Out of The Air
- Now Playing9minHow to Talk About Climate Change
- Now Playing8minHow One Conservative Texas Town Went 100% Renewable
- 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 Playing5minWhat the Cutest Animal Can Teach Us About Saving Ourselves
Space Time
- Now Playing10minSelf-Replicating Robots and Galactic Domination
- Now Playing21minInterstellar Expansion WITHOUT Faster Than Light Travel
- Now Playing12minThe Real Science of the EHT Black Hole
- Now Playing9minWhen Time Breaks Down
- Now Playing10minTime Crystals!
- Now Playing13minDo Black Holes Create New Universes?
- Now Playing13minWhite Holes
- Now Playing10minStrange Stars
- Now Playing10minHave Gravitational Waves Been Discovered?!?
- Now Playing12minThe Many Worlds of the Quantum Multiverse
- Now Playing10minTelescopes on the Moon
- Now Playing10minThe Origin of Matter and Time
- Now Playing7minCan A Starfox Barrel Roll Work in Space?
- Now Playing16minWhat Happens Inside a Proton?
- Now Playing10minThe Eye of Sauron Reveals a Forming Solar System!
- Now Playing15minIs Pluto a Planet?
- Now Playing14minAre Virtual Particles A New Layer of Reality?
- Now Playing11minThe Fate of the First Stars
- Now Playing14minSpace DOES NOT Expand Everywhere
- Now Playing15minHow To Simulate The Universe With DFT
Beat Making Lab
- Now Playing3minBeat Making Challenge #1: Accordion Trap
- Now Playing2minWhat's In the Backpack?
- Now Playing5minBehind the Beat: Portobelo
- 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 Playing4minCho Cho Cho (Music Video) filmed in Goma, Congo
- Now Playing2minWalshy Fire [of Major Lazer] Wants Your Riddims
- 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
- Now Playing3minProf. Angel Sound Prison Beats Interview
- Now Playing3min#FijiChallenge w/ Walshy Fire of Major Lazer
- Now Playing4minPortobelo (music video)
- Now Playing3minBehind The Beat: First Beat Making Lab (2011)
- Now Playing3minSampling w/ Flip Flops and Ski Beatz
Infinite Series
- Now Playing11minWhat was Fermat's "Marvelous" Proof?
- Now Playing13minWhat is a Random Walk?
- Now Playing14minHow Big are All Infinities Combined? (Cantor's Paradox)
- Now Playing14minKill the Mathematical Hydra
- Now Playing8minThe Multiplication Multiverse
- Now Playing8minTelling Time on a Torus
- Now Playing14minCan We Combine pi & e to Make a Rational Number?
- Now Playing11minWhat was Fermat's "Marvelous" Proof?
- Now Playing12minWhen Pi is Not 3.14
- Now Playing13minThe Mathematics of Quantum Computers
- Now Playing9minThis Video was Not Encrypted with RSA
- Now Playing17minHacking at Quantum Speed with Shor's Algorithm
- Now Playing8minHow to Divide by "Zero"
- Now Playing9minProving Brouwer's Fixed Point Theorem
- Now Playing11minDefining Infinity
- Now Playing10minWhat Does It Mean to Be a Number? (The Peano Axioms)
- Now Playing8minAre Prime Numbers Made Up?
- Now Playing9minCan You Solve the Poison Wine Challenge?
- Now Playing15minDissecting Hypercubes with Pascal's Triangle
- Now Playing17minSplitting Rent with Triangles
Idea Channel
- Now Playing9minIs a DOS Attack a Weapon?
- Now Playing4minThe Bronies Phenomenon
- Now Playing3minAn Interview with Minecraft EDU Creator Joel Levin
- 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 Playing6minIs Doctor Who a Religion?
- Now Playing6minShould "Happy Birthday" be Protected by Copyright?
- Now Playing5minHow will the Animated GIF affect the Presidential Election?
- Now Playing9minIs the Universe a Computer?
- Now Playing5minAre Olympic Competitors Geniuses?
- Now Playing5minIs CSS and Website Design a Fashion Statement?
- 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 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 Playing8minIs a Tagged Instagram More Than Just a Photo?