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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 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 Playing5minThe Odds of Finding Life and Love
- Now Playing6minWhy Do Things Sound Scary?
- Now Playing7minWhy Don't Ants Get Stuck in Traffic
- Now Playing4minWe're Mainly Microbe: Meet Your Microbiome
- Now Playing5minThe Only Animal That Weeps
- Now Playing5minSpit: Everything You Never Wanted To Know
- Now Playing7minIncredible Tails Of Amazing Whales!
- Now Playing5minThe Superb Owl!
- Now Playing5minSunburn, Sweat and the Science of Summer!
- Now Playing4minWhy Seasons Make No Sense
- Now Playing7minHow Baby Sea Turtles Find Their Way Home
- Now Playing5minWhy Your Brain Is In Your Head
- Now Playing2minThe Sun Is A Magnet!
- Now Playing6minIs Your Eye Color Real?
- Now Playing5minMuch A-Do About Hair
- Now Playing6minThe Surprising Origin of Thanksgiving Foods
- Now Playing12minWhat's In a 20,000 Year-Old Cube of Ice?
- Now Playing4minThe Romantic Lure of Moonlight
- Now Playing6minInside an ICE CAVE! - Nature's Most Beautiful Blue
- Now Playing13minWhere Did Life Come From? (feat. PBS Space Time and Eons!)
Origin of Everything
- Now Playing7minWhen Men Wore High Heels
- Now Playing12minWhy Doesn't the US Have Paid Parental Leave?
- Now Playing10minWhy Does the Government Need to Know My Race?
- Now Playing10minWhat is Ethnicity?
- Now Playing8minWhy Do We Get Grades in School?
- Now Playing7minIs Poisoned Halloween Candy a Myth?
- Now Playing7minHistory of the Word "Gay"
- Now Playing10minHow Did Martin Luther King Jr. Get a Holiday?
- Now Playing8minWhy Do Women Give Birth Lying Down?
- Now Playing10minWhat is Cultural Appropriation?
- Now Playing7minHow did Makeup, WWII, & Communism Create U.S. Healthcare?
- Now Playing12minWhy Do Schools Teach Sex Education?
- Now Playing7minHow Your Rubber Ducky Explains Colonialism
- Now Playing10minIs Breakfast the Most Important Meal?
- Now Playing10minWhy was Pink for Boys and Blue for Girls?
- Now Playing7minHow Columbus Invented Cannibals
- Now Playing8minWhy is there a North and South Korea?
- Now Playing11minWhy Do We Have Private Prisons?
- Now Playing8minWhy Do People Have Pets?
- Now Playing8minWhy Was Crossdressing Illegal?
Two Cents
- Now Playing6minThe Ugly Truth About Airline Miles
- Now Playing6minShould You Break Up With Your Big Bank?
- Now Playing4minWhat is the DOW?
- Now Playing6minWhat the Heck Are Mutual Funds?
- Now Playing6minDoes Wealth Make You Meaner?
- 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 Playing6minShould I Buy Bitcoin?
- Now Playing6minWhat is The Cost of Pet Ownership?
- Now Playing7minIs It Even POSSIBLE to Save for Retirement?
- Now Playing6minDo I Need To Buy A House?
- Now Playing7minLove and Money
- Now Playing5minHow Cars Can Keep You Poor
- Now Playing6minMoving Without Spending a Fortune
- Now Playing6minWomen Financial Superpowers
- Now Playing6minHacking Your Brain to Get Out Of Debt
- Now Playing6minWhat Are The Most Lucrative Trades?
Monstrum
- Now Playing6minThe Original Headless Horseman
- Now Playing11minIs Siren Head the Ultimate Modern Monster?
- Now Playing17minTrolls: Scandinavia's Malevolent, Magical Outcasts
- Now Playing11minWhy Has the Majestic Griffin Been Forgotten?
- Now Playing11minThe Macabre Origins of the Grim Reaper
- Now Playing12minHow Gargoyles Became Monsters
- Now Playing18minUnlocking the Mystery of Loch Ness
- Now Playing9minThe Hidden Origins of Nixie, the Scariest Little Mermaid
- Now Playing10minA Giant Monster With a Giant Problem
- Now Playing14minHero, Beast, or Both? The Complex Lore of the Centaur
- Now Playing20minWhy George Romero Changed Zombies Forever
- Now Playing9minKrampus: Origins of the Yuletide Monster
- Now Playing13minMonster Plants and the Humans who Invent Them
- Now Playing12minWho Is This Japanese Yōkai That Is Obsessed With Your Butt?
- 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 Playing10minHow a Children's Book Introduced Us To Our Inner Demons
- Now Playing13minUncovering the Enigma: Sasquatch Sightings
- Now Playing7minKasagonagá: The Cute, Kind Monster We All Need Right Now
Eons
- Now Playing10minThe Pandemic That Lasted 15 Million Years
- Now Playing7minThe Return of Giant Skin-Shell Sea Turtles
- Now Playing10minWhen Camels Roamed North America
- Now Playing9minOur Bizarre, Possibly Venomous, Relative
- Now Playing9minThe Evolution of the Heart (A Love Story)
- Now Playing8minWhere Are All The Squid Fossils?
- Now Playing10minFAQs From Our First Year
- Now Playing8minThe Biggest Frog that Ever Lived
- Now Playing7minUntangling the Devil's Corkscrew
- Now Playing9minHow the Andes Mountains Might Have Killed a Bunch of Whales
- Now Playing8minDid An Ancient Pathogen Reshape Our Cells?
- Now Playing10minHow Snake Venom Sparked An Evolutionary Arms Race
- Now Playing11minHow Volcanoes Froze the Earth...Twice
- Now Playing6minThe Age of Giant Insects
- Now Playing11minHow Ancient Whales May Have Changed the Deep Ocean
- Now Playing7minThe Other Explosion You Should Know About
- Now Playing7minHow the T-Rex Lost Its Arms
- Now Playing12minThe Island of Huge Hamsters and Giant Owls
- Now Playing6minThe Most Useful Fossils In The World
- Now Playing10minWhy Triassic Animals Were Just the Weirdest
Hot Mess
- Now Playing5minWe've Ignored Climate Change For More Than a Century
- Now Playing5minWhat the Cutest Animal Can Teach Us About Saving Ourselves
- Now Playing5minBeef Is Bad For The Climate. Can We Make It Better?
- Now Playing5minHow A Sticker Kept 3 Billion Tons of CO2 Out of The Air
- Now Playing5minWhat's actually the worst greenhouse gas?
- Now Playing5minWhat Can You Actually Do About Climate Change?
- Now Playing5minWe've Ignored Climate Change For More Than a Century
- Now Playing5minWhat the Cutest Animal Can Teach Us About Saving Ourselves
- Now Playing4minWhy Are Hurricanes Getting Stronger?
- Now Playing6minWhat if Carbon Emissions Stopped Tomorrow?
- Now Playing11minClimate Change is Too Big for our Brains feat. Mike Rugnetta
- Now Playing6minWhat if Carbon Emissions Stopped Tomorrow?
- Now Playing5minClimate change will push millions out. Where will they go?
- Now Playing5minBeef Is Bad For The Climate. Can We Make It Better?
- Now Playing6minWhat Indigenous Communities Teach Us About Climate Change
- Now Playing7minHow To Make Clothes Less Terrible for the Planet
- Now Playing8minHow One Conservative Texas Town Went 100% Renewable
- Now Playing9minHow to Talk About Climate Change
- Now Playing5minHow A Sticker Kept 3 Billion Tons of CO2 Out of The Air
- Now Playing6minWould Your Neighbors Save You From a Flooding Home?
Space Time
- Now Playing8minKronos: Devourer Of Worlds
- Now Playing8minDoes Dark Matter BREAK Physics?
- Now Playing10minSelf-Replicating Robots and Galactic Domination
- Now Playing10minLife on Europa?
- Now Playing8minWhat Happens At The Edge Of The Universe?
- Now Playing9minHow Gaia Changed Astronomy Forever
- Now Playing13minAre We Living in an Ancestor Simulation? ft. Neil deGrasse T
- Now Playing14minWhy String Theory is Right
- Now Playing13minIs an Ice Age Coming?
- Now Playing14minThe NEW Warp Drive Possibilities
- Now Playing11minWhat Happened Before the Big Bang?
- Now Playing13minIs Time Travel Impossible?
- Now Playing11minFirst Detection of Life
- Now Playing14minDoes Life Need a Multiverse to Exist?
- Now Playing15minPerpetual Motion From Negative Mass?
- Now Playing16minGalaxies, part 2: Crash Course Astronomy #39
- Now Playing5minCould NASA Start the Zombie Apocalypse?
- Now Playing20minDoes Many Worlds Explain Quantum Probabilities?
- Now Playing11minMartian Evolution
- Now Playing12minAnti-Matter and Quantum Relativity
Beat Making Lab
- Now Playing2minWalshy Fire [of Major Lazer] Wants Your Riddims
- Now Playing4minCho Cho Cho (Music Video) filmed in Goma, Congo
- Now Playing2minField Trip: Prison Beats
- Now Playing3minGet Your Drums Right
- Now Playing10minHeartbeats of Fiji
- Now Playing2minMashup: National Anthems
- Now Playing2minWhat's In the Backpack?
- Now Playing5minBehind the Beat: Portobelo
- Now Playing3minBeat Making Challenge #1: Accordion Trap
- Now Playing3minPanama: Meet the Kids Behind the Beats
- Now Playing2minHealth Worker Beat
- Now Playing4minTrapped In Paradise
- Now Playing3minBehind The Beat: First Beat Making Lab (2011)
- Now Playing4minPortobelo (music video)
- Now Playing3minSampling w/ Flip Flops and Ski Beatz
- Now Playing3minProf. Angel Sound Prison Beats Interview
- Now Playing3min#FijiChallenge w/ Walshy Fire of Major Lazer
- Now Playing4minDiablos (music video)
- Now Playing3minEpisode 1: Goma, Congo
- Now Playing3minFemale Hip Hop Crew Makes Beats in Senegal
Infinite Series
- Now Playing9minBeyond the Golden Ratio
- Now Playing11minSingularities Explained
- Now Playing11minVoting Systems and the Condorcet Paradox
- Now Playing14minInfinite Chess
- Now Playing15minDissecting Hypercubes with Pascal's Triangle
- Now Playing9minHow Many Humans Have the Same Number of Body Hairs?
- Now Playing10minUnraveling DNA with Rational Tangles
- Now Playing14minTopology Riddles | Infinite Series
- Now Playing12minThe Honeycombs of 4-Dimensional Bees ft. Joe Hanson
- Now Playing9minHow Many Humans Have the Same Number of Body Hairs?
- Now Playing10minThe Assassin Puzzle
- Now Playing8minHow to Divide by "Zero"
- Now Playing9minA Hierarchy of Infinities
- Now Playing15minArrow's Impossibility Theorem
- Now Playing11minTopology vs "a" Topology
- Now Playing10minThe Mathematics of Diffie-Hellman Key Exchange
- Now Playing9minBeyond the Golden Ratio
- Now Playing17minHacking at Quantum Speed with Shor's Algorithm
- Now Playing8minA Breakthrough in Higher Dimensional Spheres
- Now Playing13minThe Mathematics of Quantum Computers
Idea Channel
- Now Playing5minIs William Gibson A Modern Day Oracle?
- Now Playing4minAre Mashups the End of Music Genres?
- Now Playing4minRussian Meteorites and Surveillance Culture
- Now Playing4minAre LOLCats and Internet Memes Art?
- Now Playing7minHow are Justin Bieber, Franz Liszt and Jerusalem Connected?
- Now Playing5minAre Olympic Competitors Geniuses?
- Now Playing5minAre Memes and Internet Culture Creating a Singularity?
- Now Playing5minIs William Gibson A Modern Day Oracle?
- Now Playing6minIs Minecraft the Ultimate Educational Tool?
- Now Playing8minIs a Tagged Instagram More Than Just a Photo?
- 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 Playing4minHas the Microsoft Kinect revolutionized art?
- Now Playing4minIs Twitter the Newest Form of Literature?
- 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?