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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 Playing14minWhy This Mexican Genre Is Growing As Fast As K-Pop
- Now Playing14minOur Understanding of Floods is ALL Wrong
- 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?
It's Okay to Be Smart
- Now Playing6minWhy Do Things Sound Scary?
- Now Playing6minHow An Igloo Keeps You Warm
- Now Playing5minThe Far Future of the Universe
- Now Playing5minHow Many Species Are There?
- Now Playing5minWhy Are You Multicellular?
- Now Playing4minWhy I'm Scared of Spiders
- Now Playing8minScience of Marathon Running
- Now Playing4minThis Is Not a Rainbow
- Now Playing6minWhy Do Clouds Stay Up?
- Now Playing3minThe Equinox Isn't What You Think It Is
- Now Playing7minHow Baby Sea Turtles Find Their Way Home
- Now Playing6minWhat Has New Horizons Taught Us About Pluto?
- Now Playing13minDoes Someone Else Have Your Face?
- Now Playing7minTheory vs Hypothesis vs Law
- Now Playing8minNobel Prizes: Past, Present... and Future?
- Now Playing7minWhere Did Humans Come From?
- Now Playing18minThe 12 Days of Evolution - Complete Series!
- Now Playing3minElectric Buzzaloo: How Bees See the Invisible
- Now Playing6minThe REAL Physics of Hot Air Balloons!
- Now Playing7minWhere Did Humans Come From?
Origin of Everything
- Now Playing11minWhy Do So Many Religions Have Headwear?
- Now Playing10minHow WWII Created Godzilla & Mecha Robots
- Now Playing8minWhy Do Kids Have Their Own Bedrooms?
- Now Playing8minWhy Do Women Shave Their Legs?
- Now Playing7minIs Poisoned Halloween Candy a Myth?
- Now Playing9minIs the Rosa Parks Story True?
- Now Playing12minWhy Do Schools Teach Sex Education?
- Now Playing7minThe True Origin of Killer Clowns
- Now Playing7minHow Your Rubber Ducky Explains Colonialism
- Now Playing7minIs Poisoned Halloween Candy a Myth?
- Now Playing5minWhat Was Jesus' Real Name?
- Now Playing10minWhy Is There a Minimum Wage?
- Now Playing11minWhat is Racial Passing?
- Now Playing9minWhat If Islam Conquered Europe?
- Now Playing9minWhy Do We Drink Milk in School?
- Now Playing10minHow Did Makeup Ads Go From Style to Science?
- Now Playing7minWhen Men Wore High Heels
- Now Playing12minWhy Doesn't the US Have Paid Parental Leave?
- Now Playing10minWhy Does the Government Need to Know My Race?
- Now Playing10minWhat is Ethnicity?
Two Cents
- Now Playing6minTop 5 Biggest Financial Scams
- Now Playing7minWhy It's More Expensive To Be Poor
- Now Playing7minWhat's The Real Cost of Dying?
- Now Playing6minHow to Ask for a Raise
- Now Playing7minShould I Invest In Cannabis Stocks?
- 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 Playing7minIs Your Side Hustle Hustling You?
- Now Playing6minFighting the Wedding Industrial Complex
- Now Playing6minIs My Identity Safe From Hackers?
- Now Playing7minWhich College Majors Give the Most Bang for Your Buck?
- Now Playing7minMoney, A Global Game of Trust
- Now Playing9minHow Smart Entrepreneurs Think About PRICES!
- Now Playing6minI'm Young & Healthy, Can I Skip Health Insurance?
- Now Playing8min5 Strange Investor Crazes!
- Now Playing5minHow are credit scores calculated?
- Now Playing5minHow Do Your Tax Dollars Get Spent?
- Now Playing7minIs It Even POSSIBLE to Save for Retirement?
Monstrum
- Now Playing12minHave Humans Always Feared Sharks?
- Now Playing11minMapinguari: Fearsome Beast and Protector of the Amazon
- Now Playing26minThe Killer Origins of the Werewolf
- Now Playing17minAlien Abduction and UFOs: Why Are Grays So Common?
- Now Playing9minAdze: the Shapeshifting Firefly from West Africa
- 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 Playing7minEl Chupacabras, a Modern Mystery
- Now Playing10minWhy the Dragon is Central to Chinese Culture
- Now Playing8minBunyip: Australia's Mysterious Amphibian Monster
- 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 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
Eons
- Now Playing8minThe Mystery of the Eocene's Lethal Lake
- Now Playing11minWhen Penguins Went From The Sky To The Sea
- Now Playing9minThe Sudden Rise of the First Colossal Animal
- Now Playing8minWhere Did Viruses Come From?
- Now Playing8minHow Ankylosaurs Got Their Clubs
- Now Playing6minHistory's Most Powerful Plants
- Now Playing6minThe Most Useful Fossils In The World
- Now Playing9minThe Whole Saga of the Supercontinents
- Now Playing10minThe Last Time the Globe Warmed
- Now Playing10minThat Time The Ocean Lost (Almost) All Its Oxygen
- Now Playing8minThe Ancient Human Species With A Missing Body
- Now Playing10minThe Facts About Dinosaurs & Feathers
- Now Playing10minWhen Ichthyosaurs Led a Revolution in the Seas
- Now Playing10minHow a Supervolcano Made the Cenozoic's Coolest Fossils
- Now Playing11minThe Story of the Dino Stampede
- Now Playing11minHow the Starfish Got Its Arms
- Now Playing9minThe Rise and Fall of the Bone-Crushing Dogs
- Now Playing10minHow Pollination Got Going Twice
- Now Playing7minWhy Do Things Keep Evolving Into Crabs?
- Now Playing10minHow We Figured Out Fermentation
Hot Mess
- Now Playing6minCan We Get Solar Power To Everyone Who Wants It?
- Now Playing6minWhat If We Burned All The World's Fossil Fuels?
- Now Playing6minWill Big Oil Have To Pay Up Like Big Tobacco?
- Now Playing5minWho Should Pay To Fix Climate Change?
- Now Playing5minClimate change will push millions out. Where will they go?
- Now Playing6minHow To Suck Carbon Dioxide Out of the Sky
- Now Playing5minWho Should Pay To Fix Climate Change?
- Now Playing5minWhy Don't We Hear About the Ozone Hole Anymore?
- Now Playing7minHow To Make Clothes Less Terrible for the Planet
- Now Playing6minWhat If We Burned All The World's Fossil Fuels?
- Now Playing10minFeeling Guilty About Climate Change feat. Hank Green
- Now Playing7minWhat's The Best Car For The Climate?
- Now Playing6minHow To Suck Carbon Dioxide Out of the Sky
- Now Playing6minWhat Indigenous Communities Teach Us About Climate Change
- Now Playing10minFeeling Guilty About Climate Change feat. Hank Green
- Now Playing10minAre You Scared Enough? feat. David Wallace-Wells
- Now Playing5minWhy Climate Change is Unjust
- Now Playing5minWhy We Confuse Weather and Climate
- Now Playing5minWhy Climate Change is Unjust
- Now Playing6minCoral Reefs Are Dying. But They Don't Have To.
Space Time
- Now Playing15minWhat If Space is Not Empty?
- Now Playing10minThe EM Drive: Fact or Fantasy?
- Now Playing13minHow To Become an Astrophysicist
- Now Playing17minAre there Undiscovered Elements Beyond The Periodic Table?
- Now Playing13minQuantum Gravity and the Hardest Problem in Physics
- Now Playing10minWhy the Universe Needs Dark Energy
- Now Playing12minQuantum Entanglement (The Bohr-Einstein Debate)
- Now Playing12minWhat is Energy?
- Now Playing7min9 NASA Technologies Shaping YOUR Future
- Now Playing12minWhat Happens at the Event Horizon?
- Now Playing12minDid JWST Discover Dark Matter Stars?
- Now Playing12minUnderstanding the Uncertainty Principle
- Now Playing14minAre Dark Matter And Dark Energy The Same?
- Now Playing15minDeep Time: Crash Course Astronomy #45
- Now Playing7minHow to Signal Aliens
- Now Playing9minCan a Circle Be a Straight Line?
- Now Playing11minNo Dark Matter = Proof of Dark Matter?
- Now Playing12minThe Alchemy of Neutron Star Collisions
- Now Playing14minThe Big Bang, Cosmology part 1: Crash Course Astronomy #42
- Now Playing14minIs The Wave Function The Building Block of Reality?
Beat Making Lab
- Now Playing3minEpisode 1: Goma, Congo
- Now Playing4minDiablos (music video)
- Now Playing3minBeat Making Challenge #2: Kora Riddim
- Now Playing3minExclusive Zenga (Music Video) by Flamme Kapaya
- 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
- Now Playing2minHealth Worker Beat
- Now Playing4minTrapped In Paradise
- 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
Infinite Series
- Now Playing14minHow Big are All Infinities Combined? (Cantor's Paradox)
- Now Playing9minThis Video was Not Encrypted with RSA
- Now Playing13minWhat is a Random Walk?
- Now Playing16minHow to Break Cryptography
- Now Playing14minWhy Computers are Bad at Algebra
- Now Playing17minSplitting Rent with Triangles
- Now Playing12minThe Honeycombs of 4-Dimensional Bees ft. Joe Hanson
- Now Playing10minThe Assassin Puzzle
- Now Playing11minSingularities Explained
- Now Playing11minTopology vs "a" Topology
- Now Playing17minHacking at Quantum Speed with Shor's Algorithm
- Now Playing10minThe Mathematics of Diffie-Hellman Key Exchange
- Now Playing9minBeyond the Golden Ratio
- Now Playing14minCan a Chess Piece Explain Markov Chains?
- Now Playing14minSolving the Wolverine Problem with Graph Coloring
- Now Playing13minThe Mathematics of Quantum Computers
- Now Playing14minBuilding an Infinite Bridge
- Now Playing8minA Breakthrough in Higher Dimensional Spheres
- Now Playing11minThe Geometry of SET
- Now Playing15minArrow's Impossibility Theorem
Idea Channel
- Now Playing6minWhat Do Santa and Wrestling Have In Common?
- Now Playing6minWhat do MP3s and Magic Spells Have in Common?
- Now Playing5minIs Facebook Changing Our Identity?
- 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 Playing9minIs the Universe a Computer?
- Now Playing5minHow will the Animated GIF affect the Presidential Election?
- Now Playing5minIs CSS and Website Design a Fashion Statement?
- Now Playing5minAre Olympic Competitors Geniuses?
- Now Playing5minIs Homestuck the Ulysses of the Internet?
- Now Playing5minThere's No Such Thing as Online?!?
- Now Playing5minA Visit to Mr. Monfre's Class
- Now Playing6minThe Retro Awesomeness of Adventure Time
- Now Playing6minShould "Happy Birthday" be Protected by Copyright?
- Now Playing6minIs Doctor Who a Religion?
- Now Playing9minIs a DOS Attack a Weapon?
- Now Playing4minThe Bronies Phenomenon
- Now Playing3minAn Interview with Minecraft EDU Creator Joel Levin
- Now Playing7minHow are Justin Bieber, Franz Liszt and Jerusalem Connected?