Free movies
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.
On now
Up next
Latest
- Now Playing10minHow Do You Preserve a Thousands Year Old Musical Style?
- Now Playing14minWhy This Mexican Genre Is Growing As Fast As K-Pop
- Now Playing14minOur Understanding of Floods is ALL Wrong
- Now Playing10minWhy Do We Use Cringey Words for Loved Ones?
- 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
It's Okay to Be Smart
- Now Playing11minHow Some Words Get Forgetted
- Now Playing4minThis is a SUPER BLOOD MOON! Lunar Eclipses Explained
- Now Playing8minTuatara All the Way Down
- Now Playing9minWhat Would Trees Look Like On Other Planets?
- Now Playing6minWhat Do Raindrops Really Look Like?
- Now Playing7minWhy Don't Woodpeckers Get Concussions?
- Now Playing6minHow To Hit A Fastball (According To Science!!!)
- Now Playing4minWhat Color Is The Moon?
- Now Playing2minWhat Is Evolution, Anyway? - 12 Days of Evolution #1
- Now Playing7minCould Bigfoot REALLY Exist?
- Now Playing6minWhy Are Some People Left-Handed?
- Now Playing7minMusical Tesla Coils in Slow Motion! Featuring Physics Girl
- Now Playing5minSpit: Everything You Never Wanted To Know
- Now Playing6minWhich Came First - Flowers or Bees?
- Now Playing5minWhat If There Were No Sharks?
- Now Playing6minThe Oldest Living Things In The World
- Now Playing6minWhy Don't Other Animals Wear Glasses?
- Now Playing5minHow Many Trees Are There?
- Now Playing8minWhen Science Fiction Becomes Science Fact
- Now Playing8minScience of Marathon Running
Origin of Everything
- Now Playing12minSix Historically True Facts about Money
- Now Playing8minWhy Do People Have Pets?
- Now Playing6minWhy Do We Have Middle Names?
- Now Playing11minWhat is Racial Passing?
- Now Playing12minWhy Do We Have Housing Projects?
- Now Playing8minWhy Do We Eat Artificial Flavors?
- Now Playing10minWhat is Ethnicity?
- Now Playing9minWhy Do We Drink Milk in School?
- Now Playing8minWhy Do We Get Grades in School?
- Now Playing7minWhy Does Santa Wear Red?
- Now Playing9minThe Origin of Gender
- Now Playing8minWhy Did Europeans Enslave Africans?
- Now Playing7minThe True Origin of Killer Clowns
- Now Playing8minWhere does the Nuclear Family Come From?
- Now Playing9minWhy Do All Malls Look the Same?
- Now Playing9minThe Origin of Gender
- Now Playing7minWhy Do We Eat Popcorn at The Movies?
- Now Playing10minWhy Do We Have Hobbies?
- Now Playing11minWhy Do So Many Religions Have Headwear?
- Now Playing10minThe 2nd Amendment Explained
Two Cents
- Now Playing7minWhat's The Real Cost of Dying?
- Now Playing6minHow to Ask for a Raise
- Now Playing7minShould I Invest In Cannabis Stocks?
- Now Playing6minTop 5 Biggest Financial Scams
- Now Playing7minWhy It's More Expensive To Be Poor
- Now Playing9minHow Smart Entrepreneurs Think About PRICES!
- Now Playing6minI'm Young & Healthy, Can I Skip Health Insurance?
- Now Playing5minInsta-Everything
- Now Playing7minHow Retailers Stalk You Online
- Now Playing5minDo Kids Need to Learn About Money?
- 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 Playing7minIs It Even POSSIBLE to Save for Retirement?
- Now Playing6minDo I Need To Buy A House?
- Now Playing7minLove and Money
- Now Playing5minHow Cars Can Keep You Poor
Monstrum
- Now Playing6minThe Origin of Medusa
- Now Playing10minWill-o'-the-Wisp: Monstrous Flame or Scientific Phenomenon?
- Now Playing10minJorōgumo: The Deadly Spider Woman from Yokai Lore
- Now Playing11minBasilisk or Cockatrice? The Mysterious King of Serpents
- Now Playing11minThe Original Urban Legend: Spring-Heeled Jack
- Now Playing6minRethinking Frankenstein's Monster
- Now Playing12minWas Púca the Nightmare Bunny That Inspired Donnie Darko?
- Now Playing8minCreepy Clowns: The Horror Behind the Laughter
- Now Playing14minThe Evolution of Creepy Dolls
- Now Playing8minNuckelavee: Scotland's Skinless Evil Monstrosity
- Now Playing11minThe Fatal Song of the Sirens
- Now Playing17minModern Zombies: The Rebirth of the Undead
- Now Playing10minIs Yuki-onna the Most Terrifying Snow Monster?
- Now Playing13minLeprechaun: From Gold-Loving Cobbler to Cultural Icon
- Now Playing12minThe Origins of 'Big Bug' Science Fiction
- Now Playing11minCan All Monsters Be Traced Back to Tiamat?
- Now Playing10minHow Bloody Mary Turns Fear Into Fun
- Now Playing10minPontianak: The Vampiric Ghost of Southeast Asia
- Now Playing10minThe Enchanting Fairies of Celtic Lore
- Now Playing13minThe SCP Foundation: Declassified
Eons
- Now Playing8minThe Mystery of the Eocene's Lethal Lake
- Now Playing13minA Brief History of Geologic Time
- Now Playing9minHow Ancient Microbes Rode Bug Bits Out to Sea
- Now Playing10minHow South America Made the Marsupials
- Now Playing7minHow the Smallest Animal Got So Simple
- Now Playing10minWhy Triassic Animals Were Just the Weirdest
- Now Playing6minThe Most Useful Fossils In The World
- Now Playing11minHow Ancient Whales May Have Changed the Deep Ocean
- Now Playing12minThe Island of Huge Hamsters and Giant Owls
- Now Playing7minHow the T-Rex Lost Its Arms
- Now Playing7minThe Other Explosion You Should Know About
- Now Playing6minThe Age of Giant Insects
- Now Playing11minHow Volcanoes Froze the Earth...Twice
- Now Playing8minDid An Ancient Pathogen Reshape Our Cells?
- Now Playing10minHow Snake Venom Sparked An Evolutionary Arms Race
- Now Playing9minHow the Andes Mountains Might Have Killed a Bunch of Whales
- Now Playing8minThe Biggest Frog that Ever Lived
- Now Playing7minUntangling the Devil's Corkscrew
- Now Playing10minFAQs From Our First Year
- Now Playing8minWhere Are All The Squid Fossils?
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 Playing10minThe Link Between Extreme Weather and Climate Change
- Now Playing5minCan Farms and Forests Coexist?
- Now Playing5minWhat Can You Actually Do About Climate Change?
- Now Playing5minWhy Don't We Hear About the Ozone Hole Anymore?
- 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 Playing5minClimate change will push millions out. Where will they go?
- Now Playing6minWhat if Carbon Emissions Stopped Tomorrow?
- Now Playing5minBeef Is Bad For The Climate. Can We Make It Better?
- 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 Playing14minThe Evolution of the Modern Milky Way Galaxy
- Now Playing12minHow to See Black Holes + Kugelblitz Challenge Answer
- Now Playing7minShould We Colonize Venus Instead of Mars?
- Now Playing10minShould Space be Privatized?
- Now Playing12minHawking Radiation
- Now Playing11minHow Time Becomes Space Inside a Black Hole
- Now Playing13minA Brief History of the Universe: Crash Course Astronomy #44
- Now Playing11minHow Time Becomes Space Inside a Black Hole
- Now Playing13minHow Does Gravity Escape A Black Hole?
- Now Playing11minThe Fate of the First Stars
- Now Playing12minLife in the Universe: Crash Course Astronomy #46
- Now Playing13minHow Will the Universe End?
- Now Playing6minWhat Planet Is Super Mario World?
- Now Playing12minHawking Radiation
- Now Playing11minWhen Quasars When Quasars Collide STJC
- Now Playing8minIs the Moon in Majora's Mask a Black Hole?
- Now Playing16minThe Edge of an Infinite Universe
- Now Playing14minWhat Happens If A Black Hole Hits Earth?
- Now Playing14minHave They Seen Us?
- Now Playing8minThe First Humans on Mars
Beat Making Lab
- 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 Playing5minBehind the Beat: Portobelo
- Now Playing2minWhat's In the Backpack?
- Now Playing3minBeat Making Challenge #1: Accordion Trap
- 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 Playing3minExclusive Zenga (Music Video) by Flamme Kapaya
- Now Playing3minBeat Making Challenge #2: Kora Riddim
Infinite Series
- Now Playing10minThe Assassin Puzzle
- Now Playing9minHow Many Humans Have the Same Number of Body Hairs?
- 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 Playing8minHow to Divide by "Zero"
- Now Playing11minSingularities Explained
- Now Playing9minBeyond the Golden Ratio
- Now Playing15minDissecting Hypercubes with Pascal's Triangle
- Now Playing14minInfinite Chess
- Now Playing11minVoting Systems and the Condorcet Paradox
- Now Playing15minArrow's Impossibility Theorem
- Now Playing9minA Hierarchy of Infinities
- Now Playing14minSolving the Wolverine Problem with Graph Coloring
- Now Playing14minCan a Chess Piece Explain Markov Chains?
- Now Playing8minA Breakthrough in Higher Dimensional Spheres
- Now Playing14minBuilding an Infinite Bridge
- Now Playing13minThe Mathematics of Quantum Computers
- Now Playing15minArrow's Impossibility Theorem
Idea Channel
- Now Playing6minShould "Happy Birthday" be Protected by Copyright?
- Now Playing6minIs Doctor Who a Religion?
- 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 Playing6minThe Retro Awesomeness of Adventure Time
- Now Playing9minIs a DOS Attack a Weapon?
- Now Playing4minThe Bronies Phenomenon
- Now Playing3minAn Interview with Minecraft EDU Creator Joel Levin
- 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 Santa and Wrestling Have In Common?
- Now Playing6minWhat do MP3s and Magic Spells Have in Common?
- Now Playing5minIs Facebook Changing Our Identity?
- Now Playing5minIs CSS and Website Design a Fashion Statement?
- Now Playing5minAre Olympic Competitors Geniuses?
- Now Playing9minIs the Universe a Computer?
- Now Playing5minHow will the Animated GIF affect the Presidential Election?
- Now Playing4minIs Twitter the Newest Form of Literature?