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 Playing22minCan AI Help Us Talk to Whales?
- 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
It's Okay to Be Smart
- Now Playing7minSonic the Hedgehog Is Why You Have Thumbs!
- Now Playing4minMy Date With A Giant Pacific Octopus!
- Now Playing6min100,000,000 Years From Now
- Now Playing5minDo Animals Mourn Their Dead?
- Now Playing5minHow Many Species Are There?
- Now Playing9minThe Sixth Extinction
- Now Playing2minEvolution Is Dumb - 12 Days of Evolution #6
- Now Playing7minWhat is Farthest Away?
- Now Playing5minIs Inheritance Really All In Our Genes?
- Now Playing4minDogs and Humans: A 30,000-Year Friendship (ft. MinuteEarth)
- Now Playing7minIs Height All in Our Genes?
- Now Playing5minWhy Music Moves Us
- Now Playing6minShould You Be Worried About Zika?
- Now Playing5minCould Planet Minecraft Actually Exist?
- Now Playing6minWhy Are There As Many Males As Females?
- Now Playing5minSolving the Puzzle of Plate Tectonics
- Now Playing5minMuch A-Do About Hair
- Now Playing7minEngines of Destruction: How Hurricanes Work
- Now Playing4minOrchid Mantis: Looks That Kill
- Now Playing7minWhy Do You Love Your Family?
Origin of Everything
- Now Playing10minWhy Does the Government Need to Know My Race?
- Now Playing10minWhat is Ethnicity?
- 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 Playing10minHow Did Martin Luther King Jr. Get a Holiday?
- Now Playing8minWhy Do Women Give Birth Lying Down?
- Now Playing10minWhat is Cultural Appropriation?
- Now Playing7minIs Poisoned Halloween Candy a Myth?
- Now Playing7minHistory of the Word "Gay"
- Now Playing7minHow Your Rubber Ducky Explains Colonialism
- Now Playing10minIs Breakfast the Most Important Meal?
- Now Playing8minWhy is there a North and South Korea?
- Now Playing7minHow Columbus Invented Cannibals
- Now Playing10minWhy was Pink for Boys and Blue for Girls?
- Now Playing12minWhy Do Schools Teach Sex Education?
- Now Playing7minHow did Makeup, WWII, & Communism Create U.S. Healthcare?
- Now Playing8minWhy Was Crossdressing Illegal?
- Now Playing8minWhy Do Women Give Birth Lying Down?
- Now Playing8minWhen DId Marriage Become about Love?
Two Cents
- Now Playing7minWhich College Majors Give the Most Bang for Your Buck?
- Now Playing6minIs My Identity Safe From Hackers?
- Now Playing6minFighting the Wedding Industrial Complex
- Now Playing7minMoney, A Global Game of Trust
- Now Playing7minFighting the Financial Pitfalls of the Supermarket
- Now Playing5minDo Kids Need to Learn About Money?
- Now Playing5minInsta-Everything
- Now Playing7minHow Retailers Stalk You Online
- Now Playing7minIs Your Side Hustle Hustling You?
- Now Playing6minI'm Young & Healthy, Can I Skip Health Insurance?
- Now Playing9minHow Smart Entrepreneurs Think About PRICES!
- Now Playing6minTop 5 Biggest Financial Scams
- Now Playing7minWhy It's More Expensive To Be Poor
- Now Playing7minShould I Invest In Cannabis Stocks?
- Now Playing6minHow to Ask for a Raise
- Now Playing7minWhat's The Real Cost of Dying?
- Now Playing8minAre "Free" Video Games Really Free?
- Now Playing6minWhat is The Cost of Pet Ownership?
- Now Playing6minShould I Buy Bitcoin?
- Now Playing6minHow Do You Actually Buy A House?
Monstrum
- Now Playing13minMonster Plants and the Humans who Invent Them
- Now Playing12minWho Is This Japanese Yōkai That Is Obsessed With Your Butt?
- Now Playing10minHow a Children's Book Introduced Us To Our Inner Demons
- Now Playing10minSlender Man: How The Internet Created a Monster
- Now Playing10minEl Silbón: The Deadly Whistler of the Grasslands
- Now Playing17minThe Origins of the Zombie, from Haiti to the U.S.
- Now Playing10minA Giant Monster With a Giant Problem
- Now Playing14minHero, Beast, or Both? The Complex Lore of the Centaur
- Now Playing9minKrampus: Origins of the Yuletide Monster
- Now Playing20minWhy George Romero Changed Zombies Forever
- Now Playing11minThe Macabre Origins of the Grim Reaper
- Now Playing12minHow Gargoyles Became Monsters
- Now Playing11minWhy Has the Majestic Griffin Been Forgotten?
- Now Playing9minThe Hidden Origins of Nixie, the Scariest Little Mermaid
- Now Playing18minUnlocking the Mystery of Loch Ness
- Now Playing6minThe Original Headless Horseman
- Now Playing11minIs Siren Head the Ultimate Modern Monster?
- Now Playing17minTrolls: Scandinavia's Malevolent, Magical Outcasts
- Now Playing11minMapinguari: Fearsome Beast and Protector of the Amazon
- Now Playing12minHave Humans Always Feared Sharks?
Eons
- Now Playing6minHow Did Dinosaurs Get So Huge?
- Now Playing6minThe Story of Saberteeth
- Now Playing8minHow We Domesticated Cats (Twice)
- Now Playing9minHow Vertebrates Got Teeth... And Lost Them Again
- Now Playing8minHow Dinosaurs Coupled Up
- Now Playing9minThe First and Last North American Primates
- Now Playing9minWhen Insects First Flew
- Now Playing9minThe Fuzzy Origins of the Giant Panda
- Now Playing4minThe Strange Case of the Buzzsaw Jaws
- Now Playing8minThese Fossils Were Supposed To Be Impossible
- Now Playing10minWhen Rodents Rafted Across the Ocean
- Now Playing6minHow Sex Became A Thing
- Now Playing7minThe Great Snake Debate
- Now Playing12minWhen We Tamed Fire
- Now Playing9minWhat a Dinosaur Looks Like Under a Microscope
- Now Playing10minWhen Camels Roamed North America
- Now Playing11minWhen We First Walked
- Now Playing12minThe Island of Huge Hamsters and Giant Owls
- Now Playing12minWhen Mammals Only Went Out At Night
- Now Playing9minThe Evolution of the Heart (A Love Story)
Hot Mess
- Now Playing7minWhat's The Best Car For The Climate?
- Now Playing5minWhat Happened to Nuclear Power?
- Now Playing3minCould climate change make you allergic to meat?
- Now Playing6minWould Your Neighbors Save You From a Flooding Home?
- Now Playing11minClimate Change is Too Big for our Brains feat. Mike Rugnetta
- Now Playing5minWhy We Confuse Weather and Climate
- 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
- Now Playing5minWhat Happened to Nuclear Power?
- Now Playing8minHow One Conservative Texas Town Went 100% Renewable
- Now Playing6minWill Big Oil Have To Pay Up Like Big Tobacco?
- Now Playing5minWhat's actually the worst greenhouse gas?
- Now Playing4minWhy Are Hurricanes Getting Stronger?
- Now Playing5minCan Farms and Forests Coexist?
- Now Playing6minCoral Reefs Are Dying. But They Don't Have To.
- Now Playing13minThe Rise of Climate Fiction feat. Lindsay Ellis & Amy Brady
- Now Playing12minOur Food System is Rigged feat. Sheril Kirshenbaum
- Now Playing4minHow Much Energy Does the Internet Use?
- Now Playing5minWhy Don't We Hear About the Ozone Hole Anymore?
Space Time
- Now Playing12minReversing Entropy with Maxwell's Demon
- Now Playing12minThe Missing Mass Mystery
- Now Playing10minThe Oh My God Particle
- Now Playing16minCould We Terraform Mars?
- Now Playing12minWill Constructor Theory REWRITE Physics?
- Now Playing7minHow to Signal Aliens
- Now Playing16minWhat Makes The Strong Force Strong?
- Now Playing15minHow Does The Nucleus Hold Together?
- Now Playing9minWhen Time Breaks Down
- Now Playing10minQuantum Vortices and Superconductivity + Challenge Answers
- Now Playing10minThe Oh My God Particle
- Now Playing10minWhat Physics Teachers Get Wrong About Tides!
- Now Playing16minThe New Science of Moon Formation
- Now Playing11minWhy Haven't We Found Alien Life?
- Now Playing14minWhat Caused the Big Bang?
- Now Playing9minIs There a Fifth Fundamental Force? + Quantum Eraser Answer
- Now Playing16minWhy String Theory is Wrong
- Now Playing17minWhat If Black Holes Are Dark Energy?
- Now Playing13minThe Cosmic Dark Ages
- Now Playing9minWill Starshot's Insterstellar Journey Succeed?
Beat Making Lab
- 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 Playing2minMashup: National Anthems
- Now Playing10minHeartbeats of Fiji
- Now Playing3minGet Your Drums Right
- Now Playing2minField Trip: Prison Beats
- Now Playing4minCho Cho Cho (Music Video) filmed in Goma, Congo
- Now Playing2minWalshy Fire [of Major Lazer] Wants Your Riddims
- 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 Playing3min#FijiChallenge w/ Walshy Fire of Major Lazer
- Now Playing3minProf. Angel Sound Prison Beats Interview
- Now Playing3minSampling w/ Flip Flops and Ski Beatz
- Now Playing4minPortobelo (music video)
- Now Playing3minBehind The Beat: First Beat Making Lab (2011)
Infinite Series
- Now Playing11minWhat are Numbers Made of?
- Now Playing14minWhy Computers are Bad at Algebra
- Now Playing14minInfinite Chess
- Now Playing11minCan We Hear Shapes?
- Now Playing8minA Breakthrough in Higher Dimensional Spheres
- Now Playing14minSolving the Wolverine Problem with Graph Coloring
- Now Playing10minInstant Insanity Puzzle
- Now Playing11minCan We Hear Shapes?
- Now Playing14minCan We Combine pi & e to Make a Rational Number?
- Now Playing8minThe Multiplication Multiverse
- Now Playing12minHow Infinity Explains the Finite
- Now Playing8minAre Prime Numbers Made Up?
- Now Playing9minProving Brouwer's Fixed Point Theorem
- Now Playing14minMaking Probability Mathematical
- Now Playing9minAssociahedra: The Shapes of Multiplication
- Now Playing14minTopology Riddles | Infinite Series
- Now Playing12minProving Pick's Theorem
- Now Playing11minVoting Systems and the Condorcet Paradox
- Now Playing10minUnraveling DNA with Rational Tangles
- Now Playing10minThe Mathematics of Diffie-Hellman Key Exchange
Idea Channel
- Now Playing5minAre Memes and Internet Culture Creating a Singularity?
- Now Playing6minIs Minecraft the Ultimate Educational Tool?
- Now Playing5minIs William Gibson A Modern Day Oracle?
- Now Playing5minAre Olympic Competitors Geniuses?
- Now Playing7minHow are Justin Bieber, Franz Liszt and Jerusalem Connected?
- Now Playing4minRussian Meteorites and Surveillance Culture
- Now Playing4minAre LOLCats and Internet Memes Art?
- Now Playing5minIs William Gibson A Modern Day Oracle?
- Now Playing4minAre Mashups the End of Music Genres?
- Now Playing4minIs Twitter the Newest Form of Literature?
- Now Playing4minHas the Microsoft Kinect revolutionized art?
- Now Playing4minFrom Sherlock Holmes to 50 Shades of Grey
- Now Playing3minIs the Web Browser Replacing the Art Gallery?
- Now Playing5minNicolas Cage, Taoism, and YOLO
- Now Playing9minWill Kickstarter Replace Hollywood?
- Now Playing8minIs a Tagged Instagram More Than Just a Photo?
- Now Playing4minAre Mashups the End of Music Genres?
- Now Playing8minDo Knock-Offs Prove the Value of a Brand?
- Now Playing9minCan Video Games Become the Next Spectator Sport?
- Now Playing6minWhat Do Santa and Wrestling Have In Common?