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 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 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 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 Playing3minElectric Buzzaloo: How Bees See the Invisible
Origin of Everything
- Now Playing9minThe Origin of Gender
- Now Playing8minWhere does the Nuclear Family Come From?
- Now Playing9minWhy Do All Malls Look the Same?
- Now Playing10minThe 2nd Amendment Explained
- Now Playing11minWhy Do So Many Religions Have Headwear?
- Now Playing7minWhy Do We Eat Popcorn at The Movies?
- Now Playing10minWhy Do We Have Hobbies?
- Now Playing9minThe Origin of Gender
- Now Playing7minThe True Origin of Killer Clowns
- Now Playing8minWhy Did Europeans Enslave Africans?
- Now Playing8minWhy Do We Get Grades in School?
- Now Playing9minWhy Do We Drink Milk in School?
- Now Playing10minWhat is Ethnicity?
- Now Playing7minWhy Does Santa Wear Red?
- Now Playing11minWhat is Racial Passing?
- Now Playing8minWhy Do People Have Pets?
- Now Playing6minWhy Do We Have Middle Names?
- Now Playing12minSix Historically True Facts about Money
- Now Playing8minWhy Do We Eat Artificial Flavors?
- Now Playing12minWhy Do We Have Housing Projects?
Two Cents
- Now Playing7minLove and Money
- Now Playing6minDo I Need To Buy A House?
- Now Playing7minIs It Even POSSIBLE to Save for Retirement?
- Now Playing6minWhat Are The Most Lucrative Trades?
- Now Playing7minCan You Really Retire in Your 30s?
- Now Playing6minHacking Your Brain to Get Out Of Debt
- Now Playing6minWomen Financial Superpowers
- Now Playing6minMoving Without Spending a Fortune
- Now Playing5minHow Cars Can Keep You Poor
- Now Playing5minHow are credit scores calculated?
- Now Playing8min5 Strange Investor Crazes!
- Now Playing5minHow Do Your Tax Dollars Get Spent?
- Now Playing6minWhat the Heck Are Mutual Funds?
- Now Playing6minDoes Wealth Make You Meaner?
- Now Playing4minWhat is the DOW?
- Now Playing6minShould You Break Up With Your Big Bank?
- Now Playing6minThe Ugly Truth About Airline Miles
- Now Playing7minIs the Stock Market Just a Big Casino?
- Now Playing5minBudgeting Basics
- Now Playing8min5 Ways People Are Dumb About Money
Monstrum
- Now Playing9minPost-Dracula Vampires: From Anne Rice to Twilight
- Now Playing10minTikbálang: The Filipino Nightmare Shapeshifter
- Now Playing13minUnicorns: Magical Icons or Violent Beasts?
- Now Playing12minWhat Hellhounds Reveal about Humans' Oldest Companion
- Now Playing12minAre Cyborgs Really Monsters?
- Now Playing17minAlien Abduction and UFOs: Why Are Grays So Common?
- Now Playing9minAdze: the Shapeshifting Firefly from West Africa
- Now Playing26minThe Killer Origins of the Werewolf
- Now Playing11minMapinguari: Fearsome Beast and Protector of the Amazon
- Now Playing12minHave Humans Always Feared Sharks?
- Now Playing13minFire Cat or Fire Cart? The History of Japan's Kasha
- Now Playing7minKasagonagá: The Cute, Kind Monster We All Need Right Now
- Now Playing13minUncovering the Enigma: Sasquatch Sightings
- Now Playing11minMari Lwyd: The Skeleton Horse's Deep Past with Christmas
- Now Playing14minThe Untold Secrets of Pokémon's Monster Mythology
- Now Playing7minAre White Walkers Really Nordic Zombies?
- Now Playing7minRelease the Kraken!
- Now Playing12minDon't Let Them In! The Urban Legends of Black-Eyed Children
- Now Playing12minTaotie: The Mystery of Chinese Mythology's Famous Glutton
- Now Playing15minEgyptian Mummies: From Sacred Vessels to Scary Undead
Eons
- Now Playing4minThe Strange Case of the Buzzsaw Jaws
- Now Playing9minThe Fuzzy Origins of the Giant Panda
- Now Playing9minHow Vertebrates Got Teeth... And Lost Them Again
- Now Playing8minHow We Domesticated Cats (Twice)
- Now Playing6minThe Story of Saberteeth
- Now Playing6minHow Did Dinosaurs Get So Huge?
- Now Playing9minWhen Insects First Flew
- Now Playing9minThe First and Last North American Primates
- Now Playing8minHow Dinosaurs Coupled Up
- Now Playing12minWhen We Tamed Fire
- Now Playing7minThe Great Snake Debate
- Now Playing9minWhat a Dinosaur Looks Like Under a Microscope
- Now Playing6minHow Sex Became A Thing
- Now Playing10minWhen Camels Roamed North America
- Now Playing8minThese Fossils Were Supposed To Be Impossible
- Now Playing10minWhen Rodents Rafted Across the Ocean
- Now Playing9minThe Evolution of the Heart (A Love Story)
- Now Playing12minWhen Mammals Only Went Out At Night
- Now Playing11minWhen We First Walked
- Now Playing12minThe Island of Huge Hamsters and Giant Owls
Hot Mess
- Now Playing11minClimate Change is Too Big for our Brains feat. Mike Rugnetta
- Now Playing5minBeef Is Bad For The Climate. Can We Make It Better?
- Now Playing6minWhat if Carbon Emissions Stopped Tomorrow?
- Now Playing5minClimate change will push millions out. Where will they go?
- Now Playing6minWhat Indigenous Communities Teach Us About Climate Change
- Now Playing5minWe've Ignored Climate Change For More Than a Century
- Now Playing5minBeef Is Bad For The Climate. Can We Make It Better?
- Now Playing5minWhat the Cutest Animal Can Teach Us About Saving Ourselves
- Now Playing5minWhat Can You Actually Do About Climate Change?
- Now Playing5minWhat's actually the worst greenhouse gas?
- Now Playing5minHow A Sticker Kept 3 Billion Tons of CO2 Out of The Air
- Now Playing4minWhy Are Hurricanes Getting Stronger?
- Now Playing5minWhat the Cutest Animal Can Teach Us About Saving Ourselves
- Now Playing5minWe've Ignored Climate Change For More Than a Century
- Now Playing6minWhat if Carbon Emissions Stopped Tomorrow?
- 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?
Space Time
- Now Playing15minWhat If Our Understanding of Gravity Is Wrong?
- Now Playing11minHabitable Exoplanets Debunked!
- Now Playing15minWill Wormholes Allow Fast Interstellar Travel?
- Now Playing14minHave They Seen Us?
- Now Playing12minHow to Detect Extra Dimensions
- Now Playing10minThe End of the Habitable Zone
- Now Playing15minWhy Did Quantum Entanglement Win the Nobel Prize in Physics?
- Now Playing14minNew Discovery About Supermassive Black Holes Explained!
- Now Playing10minWhat's Wrong With the Big Bang Theory?
- Now Playing12minQuantum Invariance & The Origin of The Standard Model
- Now Playing15minIs Dark Energy Getting Stronger?
- Now Playing13minThe First Quantum Field Theory
- Now Playing10minHave Gravitational Waves Been Discovered?!?
- Now Playing14minCan You Observe a Typical Universe?
- Now Playing14minDoes the Universe Create Itself?
- Now Playing20minWhat if Humans Are Not Earth's First Civilization?
- Now Playing8minAbsolute Cold
- Now Playing16minWhat If The Speed of Light is Not Constant?
- Now Playing10minThe Origin of Our First Interstellar Visitor
- Now Playing10minCan You Trust Your Eyes in Spacetime?
Beat Making Lab
- Now Playing4minDiablos (music video)
- Now Playing3minEpisode 1: Goma, Congo
- 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 Playing3minProf. Angel Sound Prison Beats Interview
- Now Playing3min#FijiChallenge w/ Walshy Fire of Major Lazer
- Now Playing3minBehind The Beat: First Beat Making Lab (2011)
- Now Playing4minPortobelo (music video)
- Now Playing3minSampling w/ Flip Flops and Ski Beatz
- Now Playing2minHealth Worker Beat
- Now Playing4minTrapped In Paradise
- Now Playing5minBehind the Beat: Portobelo
- Now Playing2minWhat's In the Backpack?
- Now Playing3minBeat Making Challenge #1: Accordion Trap
- Now Playing3minPanama: Meet the Kids Behind the Beats
- Now Playing2minField Trip: Prison Beats
- Now Playing3minGet Your Drums Right
- Now Playing10minHeartbeats of Fiji
- Now Playing2minMashup: National Anthems
Infinite Series
- Now Playing8minHow to Divide by "Zero"
- 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 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 Playing15minArrow's Impossibility Theorem
- Now Playing9minA Hierarchy of Infinities
- Now Playing15minArrow's Impossibility Theorem
- Now Playing11minThe Geometry of SET
- Now Playing10minWhat Does It Mean to Be a Number? (The Peano Axioms)
- Now Playing14minSolving the Wolverine Problem with Graph Coloring
- Now Playing14minCan a Chess Piece Explain Markov Chains?
- Now Playing8minA Breakthrough in Higher Dimensional Spheres
Idea Channel
- Now Playing5minIs Dubstep the New Musical Avant-Garde?
- Now Playing4minIs Instagram Revolutionizing Photography?
- Now Playing8minWhy Do We Love Zombies?
- Now Playing5minNicolas Cage, Taoism, and YOLO
- Now Playing8minIs Buying Call of Duty a Moral Choice?
- Now Playing5minWill Space Travel Save Us All?
- Now Playing5minIs Homestuck the Ulysses of the Internet?
- Now Playing5minDo We Want the World to End?
- Now Playing5minIs Dubstep the New Musical Avant-Garde?
- Now Playing5minAre Memes and Internet Culture Creating a Singularity?
- Now Playing4minFrom Sherlock Holmes to 50 Shades of Grey
- Now Playing6minAre Virtual Video Game Economies Becoming Real?
- Now Playing4minThe Bronies Phenomenon
- Now Playing6minAre MP3s & Vinyl Better than Live Music?
- Now Playing7minCan Dungeons & Dragons Make You Confident & Successful?
- Now Playing6minWhat do MP3s and Magic Spells Have in Common?
- Now Playing4minHas the Microsoft Kinect revolutionized art?
- Now Playing5minIs Facebook Changing Our Identity?
- Now Playing4minIs Twitter the Newest Form of Literature?
- Now Playing8minIs Piracy Helping Game of Thrones?