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It's Okay To Be SmartI'm Joe Hanson, Ph.D and this program is all about science, the amazing universe we live in and how science connects to every part of our life.
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- 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
- Now Playing8minWhat Was The Earliest Surgery?
It's Okay to Be Smart
- Now Playing4minWe're Mainly Microbe: Meet Your Microbiome
- Now Playing7minWhy Don't Ants Get Stuck in Traffic
- Now Playing5minThe Odds of Finding Life and Love
- Now Playing6minWhy Do Things Sound Scary?
- Now Playing5minSpit: Everything You Never Wanted To Know
- Now Playing5minThe Only Animal That Weeps
- Now Playing7minIncredible Tails Of Amazing Whales!
- Now Playing4minWhy Seasons Make No Sense
- Now Playing5minThe Superb Owl!
- Now Playing5minSunburn, Sweat and the Science of Summer!
- Now Playing7minHow Baby Sea Turtles Find Their Way Home
- Now Playing5minWhy Your Brain Is In Your Head
- Now Playing6minIs Your Eye Color Real?
- Now Playing2minThe Sun Is A Magnet!
- Now Playing5minMuch A-Do About Hair
- Now Playing12minWhat's In a 20,000 Year-Old Cube of Ice?
- Now Playing6minThe Surprising Origin of Thanksgiving Foods
- Now Playing6minInside an ICE CAVE! - Nature's Most Beautiful Blue
- Now Playing4minThe Romantic Lure of Moonlight
- Now Playing13minWhere Did Life Come From? (feat. PBS Space Time and Eons!)
Origin of Everything
- Now Playing10minWhy Does the Government Need to Know My Race?
- Now Playing10minWhat is Ethnicity?
- 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 Playing10minHow Did Martin Luther King Jr. Get a Holiday?
- Now Playing8minWhy Do Women Give Birth Lying Down?
- Now Playing10minWhat is Cultural Appropriation?
- Now Playing7minIs Poisoned Halloween Candy a Myth?
- Now Playing7minHistory of the Word "Gay"
- Now Playing7minHow Your Rubber Ducky Explains Colonialism
- Now Playing10minIs Breakfast the Most Important Meal?
- Now Playing10minWhy was Pink for Boys and Blue for Girls?
- Now Playing7minHow Columbus Invented Cannibals
- Now Playing8minWhy is there a North and South Korea?
- Now Playing7minHow did Makeup, WWII, & Communism Create U.S. Healthcare?
- Now Playing12minWhy Do Schools Teach Sex Education?
- Now Playing8minWhy Was Crossdressing Illegal?
- Now Playing8minWhy Do Women Give Birth Lying Down?
- Now Playing7minWhy Do We Say "Asian American" Not "Oriental"?
Two Cents
- 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 Playing6minDoes Wealth Make You Meaner?
- Now Playing6minWhat the Heck Are Mutual Funds?
- Now Playing6minShould You Break Up With Your Big Bank?
- Now Playing6minThe Ugly Truth About Airline Miles
- Now Playing4minWhat is the DOW?
- Now Playing5minHow Do Your Tax Dollars Get Spent?
- Now Playing8min5 Strange Investor Crazes!
- Now Playing5minHow are credit scores calculated?
- Now Playing7minCan You Really Retire in Your 30s?
- Now Playing6minWhat Are The Most Lucrative Trades?
- Now Playing6minHacking Your Brain to Get Out Of Debt
- Now Playing5minHow Cars Can Keep You Poor
- Now Playing6minMoving Without Spending a Fortune
Monstrum
- Now Playing17minModern Zombies: The Rebirth of the Undead
- Now Playing10minIs Yuki-onna the Most Terrifying Snow Monster?
- Now Playing12minThe Origins of 'Big Bug' Science Fiction
- Now Playing13minLeprechaun: From Gold-Loving Cobbler to Cultural Icon
- Now Playing11minCan All Monsters Be Traced Back to Tiamat?
- Now Playing10minHow Bloody Mary Turns Fear Into Fun
- Now Playing10minThe Enchanting Fairies of Celtic Lore
- Now Playing10minPontianak: The Vampiric Ghost of Southeast Asia
- Now Playing15minBaba Yaga: The Ancient Origins of the Famous 'Witch'
- Now Playing8minWerehyena: The Terrifying Shapeshifters of African Lore
- Now Playing13minWhat Happened During Our Scary Slumber Party
- Now Playing12minDeath Worms: Fact or Fiction?
- Now Playing13minThe SCP Foundation: Declassified
- Now Playing10minYara-ma-yha-who: Australia's Regurgitating, Blood-Sucking Mo
- Now Playing10minWill-o'-the-Wisp: Monstrous Flame or Scientific Phenomenon?
- Now Playing6minThe Origin of Medusa
- Now Playing11minBasilisk or Cockatrice? The Mysterious King of Serpents
- Now Playing10minJorÅgumo: The Deadly Spider Woman from Yokai Lore
- Now Playing6minRethinking Frankenstein's Monster
- Now Playing11minThe Original Urban Legend: Spring-Heeled Jack
Eons
- Now Playing12minWhy Male Mammoths Lost the Game (w/ TierZoo!)
- Now Playing12minWhen We Took Over the World
- Now Playing7minThe Trouble With Trilobites
- Now Playing10minWhen Hobbits Were Real
- Now Playing10minNautiloids Thrived For 500 Million Years Until They Appeared
- Now Playing5minWhen Did the First Flower Bloom?
- Now Playing9minThe Raptor That Made Us Rethink Dinosaurs
- Now Playing8minInside the Dinosaur Library
- Now Playing11minWhere Did Water Come From?
- Now Playing10minWhen We First Made Tools
- Now Playing12minWhen We First Talked
- Now Playing7minWhen Giant Fungi Ruled
- Now Playing12minWhen Giant Scorpions Swarmed the Seas
- Now Playing13minWhy Is It So Hard to Tell the Sex of a Dinosaur?
- Now Playing11minWhen the Earth Suddenly Stopped Warming
- Now Playing6minWhat Colors Were Dinosaurs?
- Now Playing8minWhy Sour May Be The Oldest Taste
- Now Playing8minThe Risky Paleo Diets of Our Ancestors
- Now Playing10minWhen Our Culture Changed Our DNA
- Now Playing10minWhen Giant Amphibians Reigned
Hot Mess
- Now Playing6minWould Your Neighbors Save You From a Flooding Home?
- Now Playing3minCould climate change make you allergic to meat?
- Now Playing4minCould Space Mirrors Cool The Globe?
- Now Playing5minWhy We Confuse Weather and Climate
- Now Playing4minCould Space Mirrors Cool The Globe?
- Now Playing5minCan Farms and Forests Coexist?
- Now Playing5minWhat Can You Actually Do About Climate Change?
- Now Playing10minThe Link Between Extreme Weather and Climate Change
- Now Playing5minWhy Don't We Hear About the Ozone Hole Anymore?
- 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 Playing6minWhat if Carbon Emissions Stopped Tomorrow?
- Now Playing5minClimate change will push millions out. Where will they go?
- Now Playing5minBeef Is Bad For The Climate. Can We Make It Better?
- Now Playing6minWhat Indigenous Communities Teach Us About Climate Change
- Now Playing5minWe've Ignored Climate Change For More Than a Century
Space Time
- Now Playing15minPerpetual Motion From Negative Mass?
- Now Playing8minEscape The Kugelblitz Challenge
- Now Playing5minS3 Ep18: Gravity in Your Brain ft. Neil deGrasse Tyson!
- Now Playing17minCould LIGO Find Massive Alien Spaceships?
- Now Playing12minThe Black Hole Entropy Enigma
- Now Playing15minWhy Magnetic Monopoles SHOULD Exist
- Now Playing12minDo Events Inside Black Holes Happen?
- Now Playing11minThe Misunderstood Nature of Entropy
- Now Playing2minHow to Weigh a Fart
- Now Playing13minDid Dark Energy Just Disappear?
- Now Playing11minThe Geometry of Causality
- Now Playing15minWhere Is The Center of The Universe?
- Now Playing11minBlack Holes from the Dawn of Time
- Now Playing10minWhat Do Stars Sound Like?
- Now Playing14minHow Vacuum Decay Would Destroy The Universe
- Now Playing11minS2: Can We Survive the Destruction of the Earth?
- Now Playing9minUsing Stars to See Gravitational Waves
- Now Playing11minWhy Quantum Information is Never Destroyed
- Now Playing9minBlack Hole Swarms
- Now Playing10minThe One-Electron Universe
Beat Making Lab
- Now Playing4minCho Cho Cho (Music Video) filmed in Goma, Congo
- Now Playing2minWalshy Fire [of Major Lazer] Wants Your Riddims
- Now Playing3minPanama: Meet the Kids Behind the Beats
- Now Playing2minWhat's In the Backpack?
- Now Playing5minBehind the Beat: Portobelo
- Now Playing3minBeat Making Challenge #1: Accordion Trap
- Now Playing10minHeartbeats of Fiji
- Now Playing2minMashup: National Anthems
- Now Playing2minField Trip: Prison Beats
- Now Playing3minGet Your Drums Right
- Now Playing3minSampling w/ Flip Flops and Ski Beatz
- Now Playing3minBehind The Beat: First Beat Making Lab (2011)
- Now Playing4minPortobelo (music video)
- Now Playing4minTrapped In Paradise
- Now Playing2minHealth Worker Beat
- 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
Infinite Series
- Now Playing8minAre Prime Numbers Made Up?
- Now Playing9minCan You Solve the Poison Wine Challenge?
- Now Playing10minWhat Does It Mean to Be a Number? (The Peano Axioms)
- 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 Playing9minThis Video was Not Encrypted with RSA
- Now Playing13minThe Mathematics of Quantum Computers
- Now Playing11minWhat was Fermat's "Marvelous" Proof?
- Now Playing12minWhen Pi is Not 3.14
- Now Playing14minCan We Combine pi & e to Make a Rational Number?
- Now Playing8minThe Multiplication Multiverse
- Now Playing8minTelling Time on a Torus
- Now Playing14minKill the Mathematical Hydra
- Now Playing14minHow Big are All Infinities Combined? (Cantor's Paradox)
- Now Playing13minWhat is a Random Walk?
- Now Playing11minWhat was Fermat's "Marvelous" Proof?
- Now Playing16minHow to Break Cryptography
- Now Playing9minAssociahedra: The Shapes of Multiplication
Idea Channel
- 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 Playing8minDo Knock-Offs Prove the Value of a Brand?
- Now Playing4minAre Mashups the End of Music Genres?
- 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 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 Playing4minAre LOLCats and Internet Memes Art?