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 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 Playing6minThe REAL Physics of Hot Air Balloons!
- Now Playing8minEbola Explained
- Now Playing7minZombie Parasites!
- Now Playing3minDoes The Moon Really Orbit The Earth?
- Now Playing12minEvolution FAILS in the Human Body
- Now Playing7minWhy Don't Woodpeckers Get Concussions?
- Now Playing6minDefusing the Population Bomb
- Now Playing6minThe Largest River On Earth Is In The Sky
- Now Playing4minThere's Science Hidden In Our National Monuments
- Now Playing7minWe Got Ants In Our Plants!
- Now Playing6minWhat Are Rainbows?
- Now Playing6minWhy It Is What Time It Is (The History of Time)
- Now Playing6minYour Climate Conscience - feat. Al Gore
- Now Playing10minThe Impossible Hugeness of Deep Time
- Now Playing6min97% of Climate Scientists Really Do Agree
- Now Playing2minAre Humans Still Evolving? 12 Days of Evolution #11
- Now Playing2minCarbon and Oxygen and You: Explained
- Now Playing5minThe Scale of the Universe
- Now Playing6minDNA Doesn't Look Like What You Think!
- Now Playing6minWho Shares Your Birthday?
Origin of Everything
- Now Playing8minWhy Did Europeans Enslave Africans?
- Now Playing7minThe True Origin of Killer Clowns
- Now Playing9minThe Origin of Gender
- Now Playing11minWhy Do So Many Religions Have Headwear?
- Now Playing7minWhy Do We Eat Popcorn at The Movies?
- Now Playing10minWhy Do We Have Hobbies?
- Now Playing10minThe 2nd Amendment Explained
- Now Playing9minThe Origin of Gender
- Now Playing8minWhere does the Nuclear Family Come From?
- Now Playing9minWhy Do All Malls Look the Same?
- Now Playing12minWhy Do We Have Housing Projects?
- Now Playing8minWhy Do We Eat Artificial Flavors?
- Now Playing12minSix Historically True Facts about Money
- Now Playing11minWhat is Racial Passing?
- Now Playing8minWhy Do People Have Pets?
- Now Playing6minWhy Do We Have Middle Names?
- Now Playing7minWhy Does Santa Wear Red?
- Now Playing10minWhat is Ethnicity?
- Now Playing8minWhy Do We Get Grades in School?
- Now Playing9minWhy Do We Drink Milk in School?
Two Cents
- Now Playing9minHow Smart Entrepreneurs Think About PRICES!
- Now Playing6minI'm Young & Healthy, Can I Skip Health Insurance?
- 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 Playing5minDo Kids Need to Learn About Money?
- Now Playing7minHow Retailers Stalk You Online
- Now Playing5minInsta-Everything
- Now Playing7minFighting the Financial Pitfalls of the Supermarket
- Now Playing7minIs Your Side Hustle Hustling You?
- Now Playing7minShould I Invest In Cannabis Stocks?
- Now Playing7minWhat's The Real Cost of Dying?
- Now Playing6minHow to Ask for a Raise
- Now Playing6minTop 5 Biggest Financial Scams
- Now Playing7minWhy It's More Expensive To Be Poor
- Now Playing5minBudgeting Basics
- Now Playing7minIs the Stock Market Just a Big Casino?
- Now Playing6minThe Ugly Truth About Airline Miles
- Now Playing6minShould You Break Up With Your Big Bank?
Monstrum
- Now Playing6minThe Original Headless Horseman
- Now Playing11minIs Siren Head the Ultimate Modern Monster?
- Now Playing17minTrolls: Scandinavia's Malevolent, Magical Outcasts
- Now Playing11minWhy Has the Majestic Griffin Been Forgotten?
- Now Playing12minHow Gargoyles Became Monsters
- Now Playing11minThe Macabre Origins of the Grim Reaper
- Now Playing18minUnlocking the Mystery of Loch Ness
- Now Playing9minThe Hidden Origins of Nixie, the Scariest Little Mermaid
- Now Playing10minA Giant Monster With a Giant Problem
- Now Playing14minHero, Beast, or Both? The Complex Lore of the Centaur
- Now Playing20minWhy George Romero Changed Zombies Forever
- Now Playing9minKrampus: Origins of the Yuletide Monster
- Now Playing12minWho Is This Japanese Yōkai That Is Obsessed With Your Butt?
- Now Playing13minMonster Plants and the Humans who Invent Them
- 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 Playing10minHow a Children's Book Introduced Us To Our Inner Demons
- Now Playing7minKasagonagá: The Cute, Kind Monster We All Need Right Now
- Now Playing13minUncovering the Enigma: Sasquatch Sightings
Eons
- Now Playing11minThe Hazy Evolution of Cannabis
- Now Playing8minWhen Trees Took Over the World
- Now Playing10minHow Plants Caused the First Mass Extinction
- Now Playing7minThe Creature That Stumped Darwin
- Now Playing9minHow Plankton Created A Bizarre Giant of the Seas
- Now Playing10minHow We Figured Out Fermentation
- Now Playing11minThe Mystery Behind the Biggest Bears of All Time
- Now Playing5minThe Biggest Thing That Ever Flew
- Now Playing6minWhen The Earth Was Purple
- Now Playing6minWhat Colors Were Dinosaurs?
- Now Playing11minThe Triassic Reptile With "Two Faces"
- Now Playing13minWere These Monsters Inspired by Fossils?
- Now Playing11minThe Age of Reptiles in Three Acts
- Now Playing4minThe Tully Monster & Other Problematic Creatures
- Now Playing6minThe Search for the Earliest Life
- Now Playing9minDid a Tsunami Swallow Part of Europe?
- Now Playing12minYour Place in the Primate Family Tree
- Now Playing5minWhen Did the First Flower Bloom?
- Now Playing6minThe Most Useful Fossils In The World
- Now Playing9minThe Whole Saga of the Supercontinents
Hot Mess
- Now Playing5minWho Should Pay To Fix Climate Change?
- Now Playing5minClimate change will push millions out. Where will they go?
- Now Playing6minWill Big Oil Have To Pay Up Like Big Tobacco?
- Now Playing6minCan We Get Solar Power To Everyone Who Wants It?
- Now Playing6minWhat If We Burned All The World's Fossil Fuels?
- Now Playing5minWhy Don't We Hear About the Ozone Hole Anymore?
- Now Playing7minHow To Make Clothes Less Terrible for the Planet
- Now Playing5minWho Should Pay To Fix Climate Change?
- Now Playing6minHow To Suck Carbon Dioxide Out of the Sky
- Now Playing6minHow To Suck Carbon Dioxide Out of the Sky
- Now Playing10minFeeling Guilty About Climate Change feat. Hank Green
- Now Playing7minWhat's The Best Car For The Climate?
- Now Playing6minWhat If We Burned All The World's Fossil Fuels?
- Now Playing5minWhy Climate Change is Unjust
- Now Playing10minAre You Scared Enough? feat. David Wallace-Wells
- Now Playing10minFeeling Guilty About Climate Change feat. Hank Green
- Now Playing6minWhat Indigenous Communities Teach Us About Climate Change
- Now Playing6minCoral Reefs Are Dying. But They Don't Have To.
- Now Playing4minHow Much Energy Does the Internet Use?
- Now Playing5minWhy Climate Change is Unjust
Space Time
- Now Playing12minThe Missing Mass Mystery
- Now Playing11minS2: The Quantum Experiment that Broke Reality
- Now Playing9min5 Ways to Stop a Killer Asteroid
- Now Playing11minWill A New Neutrino Change The Standard Model?
- Now Playing17minHow Does the Earth Really Move Through The Galaxy?
- Now Playing14minWhy String Theory is Right
- Now Playing16minWhat If Gravity is Not A Fundamental Force?
- Now Playing16minWhat If The Speed of Light is NOT CONSTANT?
- Now Playing9minHow Close To The Sun Can Humanity Get?
- Now Playing16minHow Electron Spin Makes Matter Possible
- Now Playing11minCitizen Science
- Now Playing11minSuperluminal Time Travel + Time Warp Challenge Answer
- Now Playing19minAre Space and Time Real?
- Now Playing15minHow To Know If It's Aliens
- Now Playing11minHow Asteroid Mining Will Save Earth
- Now Playing17minThorium and the Future of Nuclear Energy
- Now Playing10minThe Origin of Matter and Time
- Now Playing15minWhy Is 1/137 One of the Greatest Unsolved Problems
- Now Playing13minHorizon Radiation
- Now Playing11minS2: How the Quantum Eraser Rewrites the Past
Beat Making Lab
- Now Playing4minTrapped In Paradise
- Now Playing2minHealth Worker Beat
- Now Playing3minSampling w/ Flip Flops and Ski Beatz
- Now Playing4minPortobelo (music video)
- Now Playing3minBehind The Beat: First Beat Making Lab (2011)
- Now Playing3min#FijiChallenge w/ Walshy Fire of Major Lazer
- Now Playing3minProf. Angel Sound Prison Beats Interview
- 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 Playing3minEpisode 1: Goma, Congo
- Now Playing4minDiablos (music video)
- Now Playing2minWalshy Fire [of Major Lazer] Wants Your Riddims
- Now Playing4minCho Cho Cho (Music Video) filmed in Goma, Congo
- 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
Infinite Series
- Now Playing12minHow Infinity Explains the Finite
- Now Playing8minThe Multiplication Multiverse
- Now Playing14minCan We Combine pi & e to Make a Rational Number?
- Now Playing11minCan We Hear Shapes?
- Now Playing10minInstant Insanity Puzzle
- Now Playing14minSolving the Wolverine Problem with Graph Coloring
- Now Playing8minA Breakthrough in Higher Dimensional Spheres
- Now Playing11minCan We Hear Shapes?
- Now Playing14minInfinite Chess
- Now Playing14minWhy Computers are Bad at Algebra
- Now Playing11minWhat are Numbers Made of?
- Now Playing11minTopology vs "a" Topology
- Now Playing13minNetwork Mathematics and Rival Factions | Infinite Series
- Now Playing9minCan You Solve the Poison Wine Challenge?
- Now Playing10minThe Mathematics of Diffie-Hellman Key Exchange
- Now Playing10minUnraveling DNA with Rational Tangles
- Now Playing11minVoting Systems and the Condorcet Paradox
- Now Playing12minProving Pick's Theorem
- Now Playing14minTopology Riddles | Infinite Series
- Now Playing9minAssociahedra: The Shapes of Multiplication
Idea Channel
- Now Playing4minIs Twitter the Newest Form of Literature?
- Now Playing8minIs Piracy Helping Game of Thrones?
- Now Playing9minIs Community a Postmodern Masterpiece?
- Now Playing3minWhat Makes a Pop Star Authentic?
- Now Playing4minThe Bronies Phenomenon
- Now Playing6minAre MP3s & Vinyl Better than Live Music?
- Now Playing7minCan Dungeons & Dragons Make You Confident & Successful?
- Now Playing4minHas the Microsoft Kinect revolutionized art?
- Now Playing5minIs Facebook Changing Our Identity?
- Now Playing6minWhat do MP3s and Magic Spells Have in Common?
- Now Playing3minSuper Mario Brothers as Surrealist Art?
- Now Playing6minIs Futurama the Best Argument Against Transhumanism?
- Now Playing6minAre Virtual Video Game Economies Becoming Real?
- Now Playing8minIs Sad Music Actually Sad?
- Now Playing3minAre Holograms Nostalgia or a New Form of Art?
- Now Playing3minAre Holograms Nostalgia or a New Form of Art?
- Now Playing6minIs Doctor Who a Religion?
- Now Playing9minDoes Math Really Exist?
- Now Playing3minIs the Web Browser Replacing the Art Gallery?
- Now Playing5minAre You a Hipster?