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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.
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- 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 Playing8minTuatara All the Way Down
- Now Playing9minWhat Would Trees Look Like On Other Planets?
- Now Playing6minWhat Do Raindrops Really Look Like?
- Now Playing11minHow Some Words Get Forgetted
- Now Playing4minThis is a SUPER BLOOD MOON! Lunar Eclipses Explained
- Now Playing6minHow To Hit A Fastball (According To Science!!!)
- Now Playing4minWhat Color Is The Moon?
- Now Playing7minWhy Don't Woodpeckers Get Concussions?
- Now Playing5minSpit: Everything You Never Wanted To Know
- Now Playing6minWhich Came First - Flowers or Bees?
- Now Playing5minWhat If There Were No Sharks?
- Now Playing7minCould Bigfoot REALLY Exist?
- Now Playing2minWhat Is Evolution, Anyway? - 12 Days of Evolution #1
- Now Playing7minMusical Tesla Coils in Slow Motion! Featuring Physics Girl
- Now Playing6minWhy Are Some People Left-Handed?
- 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 Playing7minHow Baby Sea Turtles Find Their Way Home
Origin of Everything
- Now Playing10minThe 2nd Amendment Explained
- Now Playing7minWhy Do We Eat Popcorn at The Movies?
- Now Playing10minWhy Do We Have Hobbies?
- Now Playing11minWhy Do So Many Religions Have Headwear?
- Now Playing8minWhere does the Nuclear Family Come From?
- Now Playing9minWhy Do All Malls Look the Same?
- Now Playing9minThe Origin of Gender
- Now Playing7minThe True Origin of Killer Clowns
- Now Playing8minWhy Did Europeans Enslave Africans?
- Now Playing9minThe Origin of Gender
- Now Playing7minWhy Does Santa Wear Red?
- Now Playing9minWhy Do We Drink Milk in School?
- Now Playing8minWhy Do We Get Grades in School?
- Now Playing10minWhat is Ethnicity?
- Now Playing8minWhy Do We Eat Artificial Flavors?
- Now Playing12minWhy Do We Have Housing Projects?
- Now Playing8minWhy Do People Have Pets?
- Now Playing6minWhy Do We Have Middle Names?
- Now Playing11minWhat is Racial Passing?
- Now Playing12minSix Historically True Facts about Money
Two Cents
- Now Playing4minWhat is the DOW?
- Now Playing6minShould You Break Up With Your Big Bank?
- Now Playing6minThe Ugly Truth About Airline Miles
- Now Playing6minDoes Wealth Make You Meaner?
- Now Playing6minWhat the Heck Are Mutual Funds?
- Now Playing5minBudgeting Basics
- Now Playing7minIs the Stock Market Just a Big Casino?
- Now Playing6minHow Do You Actually Buy A House?
- Now Playing8min5 Ways People Are Dumb About Money
- Now Playing8minAre "Free" Video Games Really Free?
- Now Playing6minWhat is The Cost of Pet Ownership?
- Now Playing6minShould I Buy Bitcoin?
- Now Playing6minDo I Need To Buy A House?
- Now Playing7minIs It Even POSSIBLE to Save for Retirement?
- Now Playing7minLove and Money
- Now Playing6minWomen Financial Superpowers
- Now Playing6minMoving Without Spending a Fortune
- Now Playing5minHow Cars Can Keep You Poor
- Now Playing7minCan You Really Retire in Your 30s?
- Now Playing6minWhat Are The Most Lucrative Trades?
Monstrum
- Now Playing10minHow a Children's Book Introduced Us To Our Inner Demons
- 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 Playing12minWho Is This Japanese Yōkai That Is Obsessed With Your Butt?
- Now Playing13minMonster Plants and the Humans who Invent Them
- Now Playing9minKrampus: Origins of the Yuletide Monster
- Now Playing20minWhy George Romero Changed Zombies Forever
- Now Playing10minA Giant Monster With a Giant Problem
- Now Playing14minHero, Beast, or Both? The Complex Lore of the Centaur
- Now Playing9minThe Hidden Origins of Nixie, the Scariest Little Mermaid
- Now Playing18minUnlocking the Mystery of Loch Ness
- Now Playing11minThe Macabre Origins of the Grim Reaper
- Now Playing12minHow Gargoyles Became Monsters
- Now Playing11minWhy Has the Majestic Griffin Been Forgotten?
- Now Playing17minTrolls: Scandinavia's Malevolent, Magical Outcasts
- Now Playing6minThe Original Headless Horseman
- Now Playing11minIs Siren Head the Ultimate Modern Monster?
- Now Playing12minHave Humans Always Feared Sharks?
- Now Playing11minMapinguari: Fearsome Beast and Protector of the Amazon
Eons
- Now Playing11minHow We Identified One of Earth's Earliest Animals
- Now Playing9minThe Fossil Record In Your Mouth
- Now Playing9minHow the Turtle Got Its Shell
- Now Playing8minWhere Did Viruses Come From?
- Now Playing8minWhat Happened to the World's Biggest Beaver?
- Now Playing12minHow Sloths Went From the Seas to the Trees
- Now Playing13minFrom the Fall of Dinos to the Rise of Humans
- Now Playing10minWhen Crocs Thrived in the Seas
- Now Playing11minThe Mystery Behind the Biggest Bears of All Time
- Now Playing7minUntangling the Devil's Corkscrew
- Now Playing8minBeans & Bees (Not Bats) Gave Us Butterflies
- Now Playing13minDid Raptorex Really Exist?
- Now Playing8minHow the Chalicothere Split In Two
- Now Playing10minWhen Pterosaurs Walked
- Now Playing12minWhen We Took Over the World
- Now Playing13minA Brief History of Geologic Time
- Now Playing9minWe Helped Make Mosquitoes A Problem
- Now Playing7minThe Other Explosion You Should Know About
- Now Playing7minIs This The Oldest Dad In The Fossil Record?
- Now Playing10minGiant Viruses Blur The Line Between Alive and Not
Hot Mess
- Now Playing6minWhat If We Burned All The World's Fossil Fuels?
- Now Playing6minCan We Get Solar Power To Everyone Who Wants It?
- Now Playing6minWill Big Oil Have To Pay Up Like Big Tobacco?
- Now Playing5minClimate change will push millions out. Where will they go?
- Now Playing5minWho Should Pay To Fix Climate Change?
- Now Playing6minHow To Suck Carbon Dioxide Out of the Sky
- Now Playing5minWho Should Pay To Fix Climate Change?
- Now Playing7minHow To Make Clothes Less Terrible for the Planet
- Now Playing5minWhy Don't We Hear About the Ozone Hole Anymore?
- Now Playing6minWhat If We Burned All The World's Fossil Fuels?
- Now Playing7minWhat's The Best Car For The Climate?
- Now Playing10minFeeling Guilty About Climate Change feat. Hank Green
- Now Playing6minHow To Suck Carbon Dioxide Out of the Sky
- Now Playing6minWhat Indigenous Communities Teach Us About Climate Change
- Now Playing10minFeeling Guilty About Climate Change feat. Hank Green
- Now Playing10minAre You Scared Enough? feat. David Wallace-Wells
- Now Playing5minWhy Climate Change is Unjust
- Now Playing5minWhy We Confuse Weather and Climate
- Now Playing5minWhy Climate Change is Unjust
- Now Playing4minHow Much Energy Does the Internet Use?
Space Time
- Now Playing7minHow to Signal Aliens
- Now Playing12minWill Constructor Theory REWRITE Physics?
- Now Playing16minCould We Terraform Mars?
- Now Playing12minThe Missing Mass Mystery
- Now Playing10minThe Oh My God Particle
- Now Playing12minReversing Entropy with Maxwell's Demon
- Now Playing10minWhat Physics Teachers Get Wrong About Tides!
- Now Playing10minThe Oh My God Particle
- Now Playing10minQuantum Vortices and Superconductivity + Challenge Answers
- Now Playing9minWhen Time Breaks Down
- Now Playing15minHow Does The Nucleus Hold Together?
- Now Playing16minWhat Makes The Strong Force Strong?
- Now Playing14minWhat Caused the Big Bang?
- Now Playing11minWhy Haven't We Found Alien Life?
- Now Playing16minThe New Science of Moon Formation
- Now Playing13minThe Cosmic Dark Ages
- Now Playing17minWhat If Black Holes Are Dark Energy?
- Now Playing9minIs There a Fifth Fundamental Force? + Quantum Eraser Answer
- Now Playing16minWhy String Theory is Wrong
- Now Playing9minWill Starshot's Insterstellar Journey Succeed?
Beat Making Lab
- Now Playing3minGet Your Drums Right
- Now Playing2minField Trip: Prison Beats
- Now Playing2minMashup: National Anthems
- Now Playing10minHeartbeats of Fiji
- Now Playing3minBeat Making Challenge #1: Accordion Trap
- Now Playing2minWhat's In the Backpack?
- Now Playing5minBehind the Beat: Portobelo
- Now Playing3minPanama: Meet the Kids Behind the Beats
- Now Playing2minWalshy Fire [of Major Lazer] Wants Your Riddims
- Now Playing4minCho Cho Cho (Music Video) filmed in Goma, Congo
- Now Playing3minProf. Angel Sound Prison Beats Interview
- Now Playing3min#FijiChallenge w/ Walshy Fire of Major Lazer
- Now Playing3minEpisode 1: Goma, Congo
- Now Playing4minDiablos (music video)
- Now Playing3minExclusive Zenga (Music Video) by Flamme Kapaya
- Now Playing3minBeat Making Challenge #2: Kora Riddim
- Now Playing3minFemale Hip Hop Crew Makes Beats in Senegal
- Now Playing2minHealth Worker Beat
- Now Playing4minTrapped In Paradise
- Now Playing4minPortobelo (music video)
Infinite Series
- Now Playing10minUnraveling DNA with Rational Tangles
- Now Playing12minProving Pick's Theorem
- Now Playing11minVoting Systems and the Condorcet Paradox
- Now Playing10minThe Mathematics of Diffie-Hellman Key Exchange
- Now Playing9minCan You Solve the Poison Wine Challenge?
- Now Playing11minTopology vs "a" Topology
- Now Playing13minNetwork Mathematics and Rival Factions | Infinite Series
- 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 Playing8minA Breakthrough in Higher Dimensional Spheres
- Now Playing14minSolving the Wolverine Problem with Graph Coloring
- Now Playing10minInstant Insanity Puzzle
- Now Playing14minCan We Combine pi & e to Make a Rational Number?
- Now Playing11minCan We Hear Shapes?
- Now Playing8minThe Multiplication Multiverse
- Now Playing12minHow Infinity Explains the Finite
- Now Playing14minWhy Computers are Bad at Algebra
Idea Channel
- Now Playing3minWhat Makes a Pop Star Authentic?
- Now Playing4minIs Twitter the Newest Form of Literature?
- Now Playing8minIs Piracy Helping Game of Thrones?
- Now Playing9minIs Community a Postmodern Masterpiece?
- Now Playing7minCan Dungeons & Dragons Make You Confident & Successful?
- Now Playing6minAre MP3s & Vinyl Better than Live Music?
- Now Playing6minWhat do MP3s and Magic Spells Have in Common?
- Now Playing5minIs Facebook Changing Our Identity?
- Now Playing4minHas the Microsoft Kinect revolutionized art?
- Now Playing4minThe Bronies Phenomenon
- 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 Playing9minDoes Math Really Exist?
- Now Playing6minIs Doctor Who a Religion?
- Now Playing3minSuper Mario Brothers as Surrealist Art?
- Now Playing6minIs Futurama the Best Argument Against Transhumanism?
- Now Playing6minAre Virtual Video Game Economies Becoming Real?
- Now Playing5minAre You a Hipster?
- Now Playing3minIs the Web Browser Replacing the Art Gallery?