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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 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?
- Now Playing13minSpace is Full of Junk. Here's How to Clean It Up...
- Now Playing15minDark Forest: Should We Not Contact Aliens?
It's Okay to Be Smart
- Now Playing7minSonic the Hedgehog Is Why You Have Thumbs!
- Now Playing5minWhy Are The Bees Dying?
- Now Playing5minWhy Is The Universe So Empty? (ft. PHD Comics!)
- Now Playing8minIs Ultron Inevitable?
- Now Playing6minCan Coral Reefs Survive Climate Change? #OursToLose
- Now Playing2minAre Humans Still Evolving? 12 Days of Evolution #11
- Now Playing3minWhy Does Time Go Forward?
- Now Playing4minThe Romantic Lure of Moonlight
- Now Playing2minCan Evolution Create Information? - 12 Days of Evolution #9
- Now Playing6minUnderstanding Climate Science
- Now Playing5minThis Rainforest Caterpillar Looks Like Donald Trump
- Now Playing5minHow Your Body Knows Left From Right
- Now Playing8minIs There Intelligent Life Beyond Earth?
- Now Playing5minHow Science Defines A Year
- Now Playing8minWhere On Earth Do You Weigh The Least?
- Now Playing11minApollo's Most Important Discovery: Inside NASA's Moon Rock V
- Now Playing5minWhy Does The Earth Have Layers?
- Now Playing5min%$?# Allergies!
- Now Playing8minThe Deadliest Flu Season in History?
- Now Playing6minWhat Has New Horizons Taught Us About Pluto?
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 Playing7minHow Columbus Invented Cannibals
Two Cents
- Now Playing9minHow Smart Entrepreneurs Think About PRICES!
- Now Playing6minI'm Young & Healthy, Can I Skip Health Insurance?
- Now Playing7minMoney, A Global Game of Trust
- Now Playing6minIs My Identity Safe From Hackers?
- Now Playing6minFighting the Wedding Industrial Complex
- Now Playing7minWhich College Majors Give the Most Bang for Your Buck?
- Now Playing7minIs Your Side Hustle Hustling You?
- Now Playing5minDo Kids Need to Learn About Money?
- Now Playing5minInsta-Everything
- Now Playing7minHow Retailers Stalk You Online
- Now Playing7minFighting the Financial Pitfalls of the Supermarket
- Now Playing7minShould I Invest In Cannabis Stocks?
- Now Playing7minWhat's The Real Cost of Dying?
- Now Playing6minHow to Ask for a Raise
- Now Playing7minWhy It's More Expensive To Be Poor
- Now Playing6minTop 5 Biggest Financial Scams
- Now Playing7minIs the Stock Market Just a Big Casino?
- Now Playing5minBudgeting Basics
- Now Playing6minWhat the Heck Are Mutual Funds?
- Now Playing6minDoes Wealth Make You Meaner?
Monstrum
- Now Playing12minDeath Worms: Fact or Fiction?
- Now Playing13minWhat Happened During Our Scary Slumber Party
- Now Playing15minBaba Yaga: The Ancient Origins of the Famous 'Witch'
- Now Playing8minWerehyena: The Terrifying Shapeshifters of African Lore
- Now Playing13minThe SCP Foundation: Declassified
- Now Playing10minYara-ma-yha-who: Australia's Regurgitating, Blood-Sucking Mo
- Now Playing10minThe Enchanting Fairies of Celtic Lore
- Now Playing10minPontianak: The Vampiric Ghost of Southeast Asia
- Now Playing11minCan All Monsters Be Traced Back to Tiamat?
- Now Playing10minHow Bloody Mary Turns Fear Into Fun
- 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 Playing8minNuckelavee: Scotland's Skinless Evil Monstrosity
- Now Playing14minThe Evolution of Creepy Dolls
- Now Playing11minThe Fatal Song of the Sirens
- Now Playing8minCreepy Clowns: The Horror Behind the Laughter
- Now Playing12minWas PĂșca the Nightmare Bunny That Inspired Donnie Darko?
- Now Playing6minRethinking Frankenstein's Monster
Eons
- Now Playing10minWhen Did We Stop Being Naked?
- Now Playing10minWhy Triassic Animals Were Just the Weirdest
- Now Playing8minThe Traits That Spawned the Age of Mammals
- Now Playing10minHow Worm Holes Ended Wormworld
- Now Playing8minThe Weird, Watery Tale of Spinosaurus
- Now Playing12minThat Time the Mediterranean Sea Disappeared
- Now Playing13minWhen We Met Other Human Species
- Now Playing10minWhen Camels Roamed North America
- Now Playing8minHow the Chalicothere Split In Two
- Now Playing10minHow a Supervolcano Ignited an Evolutionary Debate
- Now Playing10minHow a Supervolcano Made the Cenozoic's Coolest Fossils
- Now Playing6minLiving Fossils' Aren't Really a Thing
- Now Playing11minWhy Only Earth Has Fire
- Now Playing9minThe Curious Case of the Cave Lion
- Now Playing10minWhen Camels Roamed North America
- Now Playing7minThe Return of Giant Skin-Shell Sea Turtles
- Now Playing10minThe Pandemic That Lasted 15 Million Years
- Now Playing8minThe Biggest Frog that Ever Lived
- Now Playing7minUntangling the Devil's Corkscrew
- Now Playing10minFAQs From Our First Year
Hot Mess
- 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 Playing8minHow One Conservative Texas Town Went 100% Renewable
- Now Playing9minHow to Talk About Climate Change
- Now Playing4minCould Space Mirrors Cool The Globe?
- Now Playing3minCould climate change make you allergic to meat?
- Now Playing5minWhy We Confuse Weather and Climate
- Now Playing6minWould Your Neighbors Save You From a Flooding Home?
- 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 Playing4minCould Space Mirrors Cool The Globe?
- Now Playing5minWe've Ignored Climate Change For More Than a Century
- Now Playing5minWhat the Cutest Animal Can Teach Us About Saving Ourselves
- Now Playing5minBeef Is Bad For The Climate. Can We Make It Better?
- Now Playing6minWhat if Carbon Emissions Stopped Tomorrow?
- Now Playing5minWhat's actually the worst greenhouse gas?
- Now Playing5minWhat Can You Actually Do About Climate Change?
Space Time
- Now Playing12minReversing Entropy with Maxwell's Demon
- Now Playing10minThe Oh My God Particle
- Now Playing12minThe Missing Mass Mystery
- Now Playing16minCould We Terraform Mars?
- Now Playing7minHow to Signal Aliens
- Now Playing12minWill Constructor Theory REWRITE Physics?
- Now Playing16minWhat Makes The Strong Force Strong?
- Now Playing15minHow Does The Nucleus Hold Together?
- Now Playing9minWhen Time Breaks Down
- Now Playing10minThe Oh My God Particle
- Now Playing10minWhat Physics Teachers Get Wrong About Tides!
- Now Playing10minQuantum Vortices and Superconductivity + Challenge Answers
- Now Playing11minWhy Haven't We Found Alien Life?
- Now Playing16minThe New Science of Moon Formation
- Now Playing14minWhat Caused the Big Bang?
- Now Playing16minWhy String Theory is Wrong
- Now Playing9minIs There a Fifth Fundamental Force? + Quantum Eraser Answer
- Now Playing17minWhat If Black Holes Are Dark Energy?
- Now Playing13minThe Cosmic Dark Ages
- Now Playing9minWill Starshot's Insterstellar Journey Succeed?
Beat Making Lab
- 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
- Now Playing2minWalshy Fire [of Major Lazer] Wants Your Riddims
- Now Playing4minCho Cho Cho (Music Video) filmed in Goma, Congo
- Now Playing3min#FijiChallenge w/ Walshy Fire of Major Lazer
- Now Playing3minProf. Angel Sound Prison Beats Interview
- 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 Playing3minEpisode 1: Goma, Congo
- Now Playing4minDiablos (music video)
- Now Playing4minTrapped In Paradise
- Now Playing2minHealth Worker Beat
- Now Playing3minSampling w/ Flip Flops and Ski Beatz
Infinite Series
- Now Playing9minA Hierarchy of Infinities
- Now Playing15minArrow's Impossibility Theorem
- 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 Playing16minHow to Break Cryptography
- Now Playing13minWhat is a Random Walk?
- Now Playing9minThis Video was Not Encrypted with RSA
- Now Playing14minHow Big are All Infinities Combined? (Cantor's Paradox)
- Now Playing11minSingularities Explained
- Now Playing12minThe Honeycombs of 4-Dimensional Bees ft. Joe Hanson
Idea Channel
- Now Playing4minFrom Sherlock Holmes to 50 Shades of Grey
- Now Playing6minAre Virtual Video Game Economies Becoming Real?
- Now Playing5minAre Memes and Internet Culture Creating a Singularity?
- Now Playing5minIs Homestuck the Ulysses of the Internet?
- Now Playing5minIs Dubstep the New Musical Avant-Garde?
- Now Playing5minDo We Want the World to End?
- Now Playing8minIs Buying Call of Duty a Moral Choice?
- Now Playing5minWill Space Travel Save Us All?
- Now Playing8minWhy Do We Love Zombies?
- Now Playing5minNicolas Cage, Taoism, and YOLO
- Now Playing5minIs Dubstep the New Musical Avant-Garde?
- Now Playing4minIs Instagram Revolutionizing Photography?
- Now Playing8minIs Sad Music Actually Sad?
- Now Playing6minIs Doctor Who a Religion?
- Now Playing9minDoes Math Really Exist?
- Now Playing3minAre Holograms Nostalgia or a New Form of Art?
- Now Playing3minAre Holograms Nostalgia or a New Form of Art?
- Now Playing6minIs Futurama the Best Argument Against Transhumanism?
- Now Playing3minSuper Mario Brothers as Surrealist Art?
- Now Playing6minAre Virtual Video Game Economies Becoming Real?