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 Playing13minWhat's The Universe's Strongest Particle Accelerator?
- Now Playing9minThe Surprising Power of Sex in Evolution
- Now Playing14minCan Black Holes Unify General Relativity & Quantum Mechanics?
- Now Playing11minHas Streaming Made It Harder to Find New Music You Love?
- Now Playing21minInterstellar Expansion WITHOUT Faster Than Light Travel
- Now Playing9minThe Second Time Sponges Took Over The World
- Now Playing12minIs This North American Sea Serpent Real or a Hoax?
- Now Playing13minComputers Can Predict When You're Going to Die... Here's How
- Now Playing10minHow Do You Preserve a Thousands Year Old Musical Style?
- Now Playing14minWhy This Mexican Genre Is Growing As Fast As K-Pop
It's Okay to Be Smart
- Now Playing6minThe Amazing Science of DUST?
- Now Playing6minWhy Did We Blow On Nintendo Games?
- Now Playing7minYour Salad Is Trying To Kill You
- Now Playing6minDo Trees Talk?
- Now Playing6minWhy Salt & Pepper?
- Now Playing5minHow Does A Canyon Become Grand?
- Now Playing6min100,000,000 Years From Now
- Now Playing6minIlluminating the Universe: The History of Light
- Now Playing5minDe-Extinction: A Mammoth Undertaking
- Now Playing6minThe Cheerios Effect
- Now Playing3minDoes The Moon Really Orbit The Earth?
- Now Playing7min3 Incredible Examples of Evolution Hidden In Your Body
- Now Playing8minHow Evolution Turned A Possum Into A Wolf
- Now Playing5minDo Fish Pee?
- Now Playing5minIs Inheritance Really All In Our Genes?
- Now Playing6minWhich Came First - Flowers or Bees?
- Now Playing6minThe Science of Snowflakes
- Now Playing6minPigeon Story: How the Rock Dove Became the Sky Rat
- Now Playing6minIs Santa Real? (A Scientific Analysis)
- Now Playing7min3 Incredible Examples of Evolution Hidden In Your Body
Origin of Everything
- Now Playing11minModern Warfare and Alien Invasions
- Now Playing9minCan Tattoos Be Taboo?
- Now Playing7minWhy are 18 Year Olds Considered Adults?
- Now Playing10minWhy Does the Government Need to Know My Race?
- Now Playing11minWhy Does the Government Pay for Art?
- Now Playing10minHow Did Martin Luther King Jr. Get a Holiday?
- Now Playing9minDoes the Rorschach Inkblot Test Work?
- Now Playing9minCan Tattoos Be Taboo?
- Now Playing8minWhere Does the #Hashtag Symbol Come From?
- Now Playing8minWhy Do Kids Have Their Own Bedrooms?
- Now Playing10min6 Weird Facts About the History of Birth Control
- Now Playing10minWhy Do We Have Hobbies?
- Now Playing6minWhy Do We Have Middle Names?
- Now Playing7minWhy Are There So Few Women in Computer Science?
- Now Playing8minWhy Do We Wash Our Hands After Going to the Bathroom?
- Now Playing8minWhere does the Nuclear Family Come From?
- Now Playing11minWhy Do We Have Private Prisons?
- Now Playing10minHow Did Makeup Ads Go From Style to Science?
- Now Playing10minDo Standardized Tests Do More Harm Than Good?
- Now Playing5minWhat Was Jesus' Real Name?
Two Cents
- Now Playing8min5 Ways People Are Dumb About Money
- Now Playing6minHow Do You Actually Buy A House?
- Now Playing6minShould I Buy Bitcoin?
- Now Playing6minWhat is The Cost of Pet Ownership?
- Now Playing8minAre "Free" Video Games Really Free?
- Now Playing6minDoes Wealth Make You Meaner?
- Now Playing6minWhat the Heck Are Mutual Funds?
- Now Playing6minShould You Break Up With Your Big Bank?
- Now Playing6minThe Ugly Truth About Airline Miles
- Now Playing4minWhat is the DOW?
- Now Playing7minIs the Stock Market Just a Big Casino?
- Now Playing5minBudgeting Basics
- Now Playing8min5 Strange Investor Crazes!
- Now Playing5minHow are credit scores calculated?
- Now Playing5minHow Do Your Tax Dollars Get Spent?
- Now Playing7minLove and Money
- Now Playing7minIs It Even POSSIBLE to Save for Retirement?
- Now Playing6minDo I Need To Buy A House?
- Now Playing7minCan You Really Retire in Your 30s?
- Now Playing6minWhat Are The Most Lucrative Trades?
Monstrum
- Now Playing10minHow Bloody Mary Turns Fear Into Fun
- Now Playing11minCan All Monsters Be Traced Back to Tiamat?
- Now Playing12minThe Origins of 'Big Bug' Science Fiction
- Now Playing13minLeprechaun: From Gold-Loving Cobbler to Cultural Icon
- Now Playing10minIs Yuki-onna the Most Terrifying Snow Monster?
- Now Playing17minModern Zombies: The Rebirth of the Undead
- Now Playing12minIs This North American Sea Serpent Real or a Hoax?
- Now Playing10minYara-ma-yha-who: Australia's Regurgitating, Blood-Sucking Mo
- Now Playing13minWhat Happened During Our Scary Slumber Party
- Now Playing12minDeath Worms: Fact or Fiction?
- Now Playing8minWerehyena: The Terrifying Shapeshifters of African Lore
- Now Playing15minBaba Yaga: The Ancient Origins of the Famous 'Witch'
- Now Playing13minThe SCP Foundation: Declassified
- Now Playing10minPontianak: The Vampiric Ghost of Southeast Asia
- Now Playing10minThe Enchanting Fairies of Celtic Lore
- Now Playing11minThe Original Urban Legend: Spring-Heeled Jack
- Now Playing6minRethinking Frankenstein's Monster
- Now Playing10minJorÅgumo: The Deadly Spider Woman from Yokai Lore
- Now Playing11minBasilisk or Cockatrice? The Mysterious King of Serpents
- Now Playing6minThe Origin of Medusa
Eons
- Now Playing4minThe Tully Monster & Other Problematic Creatures
- Now Playing13minWere These Monsters Inspired by Fossils?
- Now Playing11minThe Age of Reptiles in Three Acts
- Now Playing6minWhat Colors Were Dinosaurs?
- Now Playing11minThe Triassic Reptile With "Two Faces"
- Now Playing6minWhen The Earth Was Purple
- Now Playing11minThe Mystery Behind the Biggest Bears of All Time
- Now Playing5minThe Biggest Thing That Ever Flew
- Now Playing12minYour Place in the Primate Family Tree
- Now Playing5minWhen Did the First Flower Bloom?
- Now Playing6minThe Search for the Earliest Life
- Now Playing9minDid a Tsunami Swallow Part of Europe?
- Now Playing8minWhen Trees Took Over the World
- Now Playing10minHow Plants Caused the First Mass Extinction
- Now Playing11minThe Hazy Evolution of Cannabis
- Now Playing10minHow We Figured Out Fermentation
- Now Playing9minHow Plankton Created A Bizarre Giant of the Seas
- Now Playing7minThe Creature That Stumped Darwin
- Now Playing11minThe Story of the Dino Stampede
- Now Playing11minHow the Starfish Got Its Arms
Hot Mess
- Now Playing5minHow A Sticker Kept 3 Billion Tons of CO2 Out of The Air
- Now Playing8minHow One Conservative Texas Town Went 100% Renewable
- Now Playing9minHow to Talk About Climate Change
- Now Playing7minHow To Make Clothes Less Terrible for the Planet
- Now Playing5minWhy Don't We Hear About the Ozone Hole Anymore?
- Now Playing5minWhat Can You Actually Do About Climate Change?
- Now Playing5minCan Farms and Forests Coexist?
- Now Playing10minThe Link Between Extreme Weather and Climate Change
- Now Playing6minCan We Get Solar Power To Everyone Who Wants It?
- Now Playing4minCould Space Mirrors Cool The Globe?
- Now Playing3minCould climate change make you allergic to meat?
- Now Playing4minCould Space Mirrors Cool The Globe?
- Now Playing5minWhy We Confuse Weather and Climate
- Now Playing6minWould Your Neighbors Save You From a Flooding Home?
- Now Playing6minWhat if Carbon Emissions Stopped Tomorrow?
- 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 Playing5minWhat the Cutest Animal Can Teach Us About Saving Ourselves
- Now Playing4minWhy Are Hurricanes Getting Stronger?
Space Time
- Now Playing12minWhat is Energy?
- Now Playing7min9 NASA Technologies Shaping YOUR Future
- Now Playing12minWhat Happens at the Event Horizon?
- Now Playing12minUnderstanding the Uncertainty Principle
- Now Playing12minDid JWST Discover Dark Matter Stars?
- 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 Playing10minZero-Point Energy Demystified
- Now Playing13minAre We Living in an Ancestor Simulation? ft. Neil deGrasse T
- Now Playing14minCould the Higgs Boson Lead Us to Dark Matter?
- Now Playing11minFirst Detection of Life
- Now Playing12minHow Do We Know What Stars Are Made Of?
- Now Playing12minSolving the Impossible in Quantum Field Theory
- Now Playing11minMartian Evolution
- Now Playing11minWhy is the Earth Round and the Milky Way Flat?
Beat Making Lab
- 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 Playing3minBeat Making Challenge #2: Kora Riddim
- Now Playing3minExclusive Zenga (Music Video) by Flamme Kapaya
- Now Playing4minDiablos (music video)
- Now Playing3minEpisode 1: Goma, Congo
- 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 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 Playing2minWhat's In the Backpack?
- Now Playing5minBehind the Beat: Portobelo
- Now Playing3minBeat Making Challenge #1: Accordion Trap
Infinite Series
- Now Playing17minSplitting Rent with Triangles
- Now Playing14minWhy Computers are Bad at Algebra
- Now Playing11minSingularities Explained
- Now Playing12minThe Honeycombs of 4-Dimensional Bees ft. Joe Hanson
- Now Playing10minThe Assassin Puzzle
- Now Playing13minWhat is a Random Walk?
- Now Playing9minThis Video was Not Encrypted with RSA
- Now Playing14minHow Big are All Infinities Combined? (Cantor's Paradox)
- Now Playing16minHow to Break Cryptography
- Now Playing13minThe Mathematics of Quantum Computers
- Now Playing14minBuilding an Infinite Bridge
- Now Playing8minA Breakthrough in Higher Dimensional Spheres
- Now Playing14minSolving the Wolverine Problem with Graph Coloring
- Now Playing14minCan a Chess Piece Explain Markov Chains?
- Now Playing10minWhat Does It Mean to Be a Number? (The Peano Axioms)
- Now Playing15minArrow's Impossibility Theorem
- Now Playing11minThe Geometry of SET
- Now Playing11minTopology vs "a" Topology
- Now Playing10minThe Mathematics of Diffie-Hellman Key Exchange
- Now Playing9minBeyond the Golden Ratio
Idea Channel
- Now Playing5minA Visit to Mr. Monfre's Class
- Now Playing5minThere's No Such Thing as Online?!?
- Now Playing5minIs Homestuck the Ulysses of the Internet?
- Now Playing6minThe Retro Awesomeness of Adventure Time
- Now Playing6minShould "Happy Birthday" be Protected by Copyright?
- Now Playing6minIs Doctor Who a Religion?
- Now Playing3minAn Interview with Minecraft EDU Creator Joel Levin
- Now Playing4minThe Bronies Phenomenon
- Now Playing9minIs a DOS Attack a Weapon?
- Now Playing6minWhat Do Santa and Wrestling Have In Common?
- Now Playing5minIs Facebook Changing Our Identity?
- Now Playing6minWhat do MP3s and Magic Spells Have in Common?
- Now Playing8minDo Knock-Offs Prove the Value of a Brand?
- Now Playing4minAre Mashups the End of Music Genres?
- Now Playing9minCan Video Games Become the Next Spectator Sport?
- 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 Playing4minHas the Microsoft Kinect revolutionized art?