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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.![PBS Digital Studios]()
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Two CentsTWO CENTS, a new weekly series about personal finance for millennials and Gen Z.Latest
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Now Playing17minWhat's Your Brain's Role in Creating Space & Time?![The Hidden Genes That Make Us Human]()
Now Playing10minThe Hidden Genes That Make Us Human![What Could Thousand of Mysterious Whales Tell Us About Our]()
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Now Playing12minIs Permafrost the Climate Tipping Point of No Return?
It's Okay to Be Smart
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Now Playing7minThe Strange Science of the Placebo Effect![Are We All Related?]()
Now Playing7minAre We All Related?![The Physics of Space Battles]()
Now Playing6minThe Physics of Space Battles![Evolution Is Dumb - 12 Days of Evolution #6]()
Now Playing2minEvolution Is Dumb - 12 Days of Evolution #6![Are We All Related?]()
Now Playing7minAre We All Related?![97% of Climate Scientists Really Do Agree]()
Now Playing6min97% of Climate Scientists Really Do Agree![Do You Really Have Two Brains?]()
Now Playing5minDo You Really Have Two Brains?![Science of Marathon Running]()
Now Playing8minScience of Marathon Running![Is Height All in Our Genes?]()
Now Playing7minIs Height All in Our Genes?![Einstein Was Right: Gravitational Waves Edition]()
Now Playing7minEinstein Was Right: Gravitational Waves Edition![The Superb Owl!]()
Now Playing5minThe Superb Owl!![The Dinosaur On Your Thanksgiving Table]()
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Now Playing3minWhy Do We Go to Space?![20 MILLION Year-Old Spider!! Unweaving Spider Silk]()
Now Playing8min20 MILLION Year-Old Spider!! Unweaving Spider Silk![Putting Hurricane Harvey In Perspective]()
Now Playing4minPutting Hurricane Harvey In Perspective![Could You Be a Chimera?]()
Now Playing10minCould You Be a Chimera?![Can You Bend Light Like This?]()
Now Playing9minCan You Bend Light Like This?![How Much Plastic is in the Ocean?]()
Now Playing5minHow Much Plastic is in the Ocean?
Origin of Everything
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Now Playing10minThe 2nd Amendment Explained![Why Do So Many Religions Have Headwear?]()
Now Playing11minWhy Do So Many Religions Have Headwear?![Why Do We Have Hobbies?]()
Now Playing10minWhy Do We Have Hobbies?![Why Do We Eat Popcorn at The Movies?]()
Now Playing7minWhy Do We Eat Popcorn at The Movies?![The Origin of Gender]()
Now Playing9minThe Origin of Gender![Why Do All Malls Look the Same?]()
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Now Playing8minWhere does the Nuclear Family Come From?![The True Origin of Killer Clowns]()
Now Playing7minThe True Origin of Killer Clowns![Why Did Europeans Enslave Africans?]()
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Now Playing10minWhat is Ethnicity?![Why Do We Eat Artificial Flavors?]()
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Now Playing12minSix Historically True Facts about Money
Two Cents
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Now Playing5minDo Kids Need to Learn About Money?![How Retailers Stalk You Online]()
Now Playing7minHow Retailers Stalk You Online![Insta-Everything]()
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Now Playing7minFighting the Financial Pitfalls of the Supermarket![Should I Invest In Cannabis Stocks?]()
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Now Playing6minHow to Ask for a Raise![Why It's More Expensive To Be Poor]()
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Now Playing6minTop 5 Biggest Financial Scams![Is the Stock Market Just a Big Casino?]()
Now Playing7minIs the Stock Market Just a Big Casino?![Budgeting Basics]()
Now Playing5minBudgeting Basics![What the Heck Are Mutual Funds?]()
Now Playing6minWhat the Heck Are Mutual Funds?![Does Wealth Make You Meaner?]()
Now Playing6minDoes Wealth Make You Meaner?
Monstrum
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Now Playing8minNuckelavee: Scotland's Skinless Evil Monstrosity![The Fatal Song of the Sirens]()
Now Playing11minThe Fatal Song of the Sirens![Will-o'-the-Wisp: Monstrous Flame or Scientific Phenomenon?]()
Now Playing10minWill-o'-the-Wisp: Monstrous Flame or Scientific Phenomenon?![The Origin of Medusa]()
Now Playing6minThe Origin of Medusa![Basilisk or Cockatrice? The Mysterious King of Serpents]()
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Now Playing10minJorÅgumo: The Deadly Spider Woman from Yokai Lore![Rethinking Frankenstein's Monster]()
Now Playing6minRethinking Frankenstein's Monster![The Original Urban Legend: Spring-Heeled Jack]()
Now Playing11minThe Original Urban Legend: Spring-Heeled Jack![The Enchanting Fairies of Celtic Lore]()
Now Playing10minThe Enchanting Fairies of Celtic Lore![Pontianak: The Vampiric Ghost of Southeast Asia]()
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Now Playing8minWerehyena: The Terrifying Shapeshifters of African Lore![Death Worms: Fact or Fiction?]()
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Now Playing17minModern Zombies: The Rebirth of the Undead![Is Yuki-onna the Most Terrifying Snow Monster?]()
Now Playing10minIs Yuki-onna the Most Terrifying Snow Monster?![Leprechaun: From Gold-Loving Cobbler to Cultural Icon]()
Now Playing13minLeprechaun: From Gold-Loving Cobbler to Cultural Icon![The Origins of 'Big Bug' Science Fiction]()
Now Playing12minThe Origins of 'Big Bug' Science Fiction![Can All Monsters Be Traced Back to Tiamat?]()
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Eons
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Now Playing10minA Short Tale About Diplodocus' Long Neck![From the Fall of Dinos to the Rise of Humans]()
Now Playing13minFrom the Fall of Dinos to the Rise of Humans![How 7,000 Years of Epic Floods Changed the World]()
Now Playing10minHow 7,000 Years of Epic Floods Changed the World![When Giant Fungi Ruled]()
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Now Playing5minStegosaurs: Tiny Brains & Thagomizers![The Two People We're All Related To]()
Now Playing9minThe Two People We're All Related To![The Search for the Earliest Life]()
Now Playing6minThe Search for the Earliest Life![When Ants Domesticated Fungi]()
Now Playing10minWhen Ants Domesticated Fungi![Can We Get DNA From Fossils?]()
Now Playing12minCan We Get DNA From Fossils?![The Two People We're All Related To]()
Now Playing9minThe Two People We're All Related To![The Dinosaur Who Was Buried at Sea]()
Now Playing13minThe Dinosaur Who Was Buried at Sea![How Pterosaurs Got Their Wings]()
Now Playing9minHow Pterosaurs Got Their Wings![How Sex Became A Thing]()
Now Playing6minHow Sex Became A Thing![Darwin Missed An Example of Evolution Right Under His Nose]()
Now Playing9minDarwin Missed An Example of Evolution Right Under His Nose![Giant Viruses Blur The Line Between Alive and Not]()
Now Playing10minGiant Viruses Blur The Line Between Alive and Not![Is This The Oldest Dad In The Fossil Record?]()
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Now Playing7minThe Other Explosion You Should Know About
Hot Mess
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Now Playing7minHow To Make Clothes Less Terrible for the Planet![Why Don't We Hear About the Ozone Hole Anymore?]()
Now Playing5minWhy Don't We Hear About the Ozone Hole Anymore?![Who Should Pay To Fix Climate Change?]()
Now Playing5minWho Should Pay To Fix Climate Change?![How To Suck Carbon Dioxide Out of the Sky]()
Now Playing6minHow To Suck Carbon Dioxide Out of the Sky![Will Big Oil Have To Pay Up Like Big Tobacco?]()
Now Playing6minWill Big Oil Have To Pay Up Like Big Tobacco?![What If We Burned All The World's Fossil Fuels?]()
Now Playing6minWhat If We Burned All The World's Fossil Fuels?![Can We Get Solar Power To Everyone Who Wants It?]()
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Now Playing5minClimate change will push millions out. Where will they go?![Who Should Pay To Fix Climate Change?]()
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Now Playing6minWhat Indigenous Communities Teach Us About Climate Change![Why Climate Change is Unjust]()
Now Playing5minWhy Climate Change is Unjust![Are You Scared Enough? feat. David Wallace-Wells]()
Now Playing10minAre You Scared Enough? feat. David Wallace-Wells![Feeling Guilty About Climate Change feat. Hank Green]()
Now Playing10minFeeling Guilty About Climate Change feat. Hank Green![What If We Burned All The World's Fossil Fuels?]()
Now Playing6minWhat If We Burned All The World's Fossil Fuels?![How To Suck Carbon Dioxide Out of the Sky]()
Now Playing6minHow To Suck Carbon Dioxide Out of the Sky![What's The Best Car For The Climate?]()
Now Playing7minWhat's The Best Car For The Climate?![Feeling Guilty About Climate Change feat. Hank Green]()
Now Playing10minFeeling Guilty About Climate Change feat. Hank Green![Could climate change make you allergic to meat?]()
Now Playing3minCould climate change make you allergic to meat?![What Happened to Nuclear Power?]()
Now Playing5minWhat Happened to Nuclear Power?![What's The Best Car For The Climate?]()
Now Playing7minWhat's The Best Car For The Climate?
Space Time
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Now Playing11minWhat Happened Before the Big Bang?![The NEW Warp Drive Possibilities]()
Now Playing14minThe NEW Warp Drive Possibilities![Is an Ice Age Coming?]()
Now Playing13minIs an Ice Age Coming?![Why String Theory is Right]()
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Now Playing13minAre We Living in an Ancestor Simulation? ft. Neil deGrasse T![How Gaia Changed Astronomy Forever]()
Now Playing9minHow Gaia Changed Astronomy Forever![What Happens At The Edge Of The Universe?]()
Now Playing8minWhat Happens At The Edge Of The Universe?![Life on Europa?]()
Now Playing10minLife on Europa?![Self-Replicating Robots and Galactic Domination]()
Now Playing10minSelf-Replicating Robots and Galactic Domination![Does Dark Matter BREAK Physics?]()
Now Playing8minDoes Dark Matter BREAK Physics?![Kronos: Devourer Of Worlds]()
Now Playing8minKronos: Devourer Of Worlds![What If the Galactic Habitable Zone LIMITS Intelligent Life?]()
Now Playing15minWhat If the Galactic Habitable Zone LIMITS Intelligent Life?![Are Virtual Particles A New Layer of Reality?]()
Now Playing14minAre Virtual Particles A New Layer of Reality?![The Real Science of the EHT Black Hole]()
Now Playing12minThe Real Science of the EHT Black Hole![Anti-Matter and Quantum Relativity]()
Now Playing12minAnti-Matter and Quantum Relativity![Martian Evolution]()
Now Playing11minMartian Evolution![Could NASA Start the Zombie Apocalypse?]()
Now Playing5minCould NASA Start the Zombie Apocalypse?![Galaxies, part 2: Crash Course Astronomy #39]()
Now Playing16minGalaxies, part 2: Crash Course Astronomy #39![Perpetual Motion From Negative Mass?]()
Now Playing15minPerpetual Motion From Negative Mass?![Does Life Need a Multiverse to Exist?]()
Now Playing14minDoes Life Need a Multiverse to Exist?
Beat Making Lab
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Now Playing5minBehind the Beat: Portobelo![What's In the Backpack?]()
Now Playing2minWhat's In the Backpack?![Beat Making Challenge #1: Accordion Trap]()
Now Playing3minBeat Making Challenge #1: Accordion Trap![Panama: Meet the Kids Behind the Beats]()
Now Playing3minPanama: Meet the Kids Behind the Beats![Field Trip: Prison Beats]()
Now Playing2minField Trip: Prison Beats![Get Your Drums Right]()
Now Playing3minGet Your Drums Right![Heartbeats of Fiji]()
Now Playing10minHeartbeats of Fiji![Mashup: National Anthems]()
Now Playing2minMashup: National Anthems![Cho Cho Cho (Music Video) filmed in Goma, Congo]()
Now Playing4minCho Cho Cho (Music Video) filmed in Goma, Congo![Walshy Fire [of Major Lazer] Wants Your Riddims]()
Now Playing2minWalshy Fire [of Major Lazer] Wants Your Riddims![Diablos (music video)]()
Now Playing4minDiablos (music video)![Episode 1: Goma, Congo]()
Now Playing3minEpisode 1: Goma, Congo![Female Hip Hop Crew Makes Beats in Senegal]()
Now Playing3minFemale Hip Hop Crew Makes Beats in Senegal![Exclusive Zenga (Music Video) by Flamme Kapaya]()
Now Playing3minExclusive Zenga (Music Video) by Flamme Kapaya![Beat Making Challenge #2: Kora Riddim]()
Now Playing3minBeat Making Challenge #2: Kora Riddim![Prof. Angel Sound Prison Beats Interview]()
Now Playing3minProf. Angel Sound Prison Beats Interview![#FijiChallenge w/ Walshy Fire of Major Lazer]()
Now Playing3min#FijiChallenge w/ Walshy Fire of Major Lazer![Behind The Beat: First Beat Making Lab (2011)]()
Now Playing3minBehind The Beat: First Beat Making Lab (2011)![Portobelo (music video)]()
Now Playing4minPortobelo (music video)![Sampling w/ Flip Flops and Ski Beatz]()
Now Playing3minSampling w/ Flip Flops and Ski Beatz
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Infinite Series
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Now Playing15minArrow's Impossibility Theorem![The Geometry of SET]()
Now Playing11minThe Geometry of SET![What Does It Mean to Be a Number? (The Peano Axioms)]()
Now Playing10minWhat Does It Mean to Be a Number? (The Peano Axioms)![Solving the Wolverine Problem with Graph Coloring]()
Now Playing14minSolving the Wolverine Problem with Graph Coloring![Can a Chess Piece Explain Markov Chains?]()
Now Playing14minCan a Chess Piece Explain Markov Chains?![The Mathematics of Quantum Computers]()
Now Playing13minThe Mathematics of Quantum Computers![Building an Infinite Bridge]()
Now Playing14minBuilding an Infinite Bridge![A Breakthrough in Higher Dimensional Spheres]()
Now Playing8minA Breakthrough in Higher Dimensional Spheres![Hacking at Quantum Speed with Shor's Algorithm]()
Now Playing17minHacking at Quantum Speed with Shor's Algorithm![The Mathematics of Diffie-Hellman Key Exchange]()
Now Playing10minThe Mathematics of Diffie-Hellman Key Exchange![Beyond the Golden Ratio]()
Now Playing9minBeyond the Golden Ratio![Topology vs "a" Topology]()
Now Playing11minTopology vs "a" Topology![The Honeycombs of 4-Dimensional Bees ft. Joe Hanson]()
Now Playing12minThe Honeycombs of 4-Dimensional Bees ft. Joe Hanson![The Assassin Puzzle]()
Now Playing10minThe Assassin Puzzle![Singularities Explained]()
Now Playing11minSingularities Explained![Why Computers are Bad at Algebra]()
Now Playing14minWhy Computers are Bad at Algebra![Splitting Rent with Triangles]()
Now Playing17minSplitting Rent with Triangles![How to Break Cryptography]()
Now Playing16minHow to Break Cryptography![This Video was Not Encrypted with RSA]()
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Now Playing13minWhat is a Random Walk?
Idea Channel
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Now Playing6minThe Retro Awesomeness of Adventure Time![There's No Such Thing as Online?!?]()
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Now Playing5minIs Homestuck the Ulysses of the Internet?![Is Doctor Who a Religion?]()
Now Playing6minIs Doctor Who a Religion?![Should "Happy Birthday" be Protected by Copyright?]()
Now Playing6minShould "Happy Birthday" be Protected by Copyright?![The Bronies Phenomenon]()
Now Playing4minThe Bronies Phenomenon![An Interview with Minecraft EDU Creator Joel Levin]()
Now Playing3minAn Interview with Minecraft EDU Creator Joel Levin![Is a DOS Attack a Weapon?]()
Now Playing9minIs a DOS Attack a Weapon?![Is Facebook Changing Our Identity?]()
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Now Playing6minWhat do MP3s and Magic Spells Have in Common?![What Do Santa and Wrestling Have In Common?]()
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Now Playing8minDo Knock-Offs Prove the Value of a Brand?![Are Mashups the End of Music Genres?]()
Now Playing4minAre Mashups the End of Music Genres?![Can Video Games Become the Next Spectator Sport?]()
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Now Playing5minHow will the Animated GIF affect the Presidential Election?![Is the Universe a Computer?]()
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Now Playing5minIs CSS and Website Design a Fashion Statement?![Has the Microsoft Kinect revolutionized art?]()
Now Playing4minHas the Microsoft Kinect revolutionized art?
