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Two CentsTWO CENTS, a new weekly series about personal finance for millennials and Gen Z.
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- Now Playing27minNot "Business As Usual"
- Now Playing27minClimate Crossroads
- Now Playing27minWater Whiplash
- Now Playing27minAre We At The Tipping Point?
- Now Playing27minAdapt or Leave?
- Now Playing27minThe Heat is On
- Now Playing11minHow the Himalayas Changed the World
- Now Playing12minHow Black Artists Have Influenced Country Music
- Now Playing10minWhy This Unusual Pattern May Save the Rainforests
- Now Playing17minCan We Test Quantum Gravity?
It's Okay to Be Smart
- Now Playing8minWhere On Earth Do You Weigh The Least?
- Now Playing5minHow Science Defines A Year
- Now Playing8minIs There Intelligent Life Beyond Earth?
- Now Playing5minHow Your Body Knows Left From Right
- Now Playing5minThis Rainforest Caterpillar Looks Like Donald Trump
- Now Playing6minUnderstanding Climate Science
- Now Playing4minThe Romantic Lure of Moonlight
- Now Playing2minCan Evolution Create Information? - 12 Days of Evolution #9
- Now Playing3minWhy Does Time Go Forward?
- Now Playing2minAre Humans Still Evolving? 12 Days of Evolution #11
- Now Playing6minCan Coral Reefs Survive Climate Change? #OursToLose
- Now Playing8minIs Ultron Inevitable?
- Now Playing5minWhy Is The Universe So Empty? (ft. PHD Comics!)
- Now Playing5minWhy Are The Bees Dying?
- Now Playing7minSonic the Hedgehog Is Why You Have Thumbs!
- Now Playing14minThis Face Changes the Human Story
- Now Playing7minWhy People Don't Believe In Climate Science
- Now Playing5minThe Small Problem With Shrinking Ourselves
- Now Playing4minThere Was No First Human
- Now Playing5minThe Small Problem With Shrinking Ourselves
Origin of Everything
- Now Playing9minIs the Rosa Parks Story True?
- Now Playing12minWhy Do Schools Teach Sex Education?
- Now Playing7minThe True Origin of Killer Clowns
- Now Playing7minHow Your Rubber Ducky Explains Colonialism
- Now Playing8minWhy Do Women Shave Their Legs?
- Now Playing8minWhy Do Kids Have Their Own Bedrooms?
- Now Playing7minIs Poisoned Halloween Candy a Myth?
- Now Playing11minWhy Do So Many Religions Have Headwear?
- Now Playing10minHow WWII Created Godzilla & Mecha Robots
- Now Playing10minHow Did Makeup Ads Go From Style to Science?
- Now Playing9minWhy Do We Drink Milk in School?
- Now Playing7minIs Poisoned Halloween Candy a Myth?
- Now Playing5minWhat Was Jesus' Real Name?
- Now Playing10minWhy Is There a Minimum Wage?
- Now Playing11minWhat is Racial Passing?
- Now Playing9minWhat If Islam Conquered Europe?
- Now Playing10minWhat is Cultural Appropriation?
- Now Playing8minWhy Do Women Give Birth Lying Down?
- Now Playing10minHow Did Martin Luther King Jr. Get a Holiday?
- Now Playing7minIs Poisoned Halloween Candy a Myth?
Two Cents
- Now Playing9minHow Smart Entrepreneurs Think About PRICES!
- Now Playing6minI'm Young & Healthy, Can I Skip Health Insurance?
- Now Playing5minDo Kids Need to Learn About Money?
- Now Playing5minInsta-Everything
- Now Playing7minHow Retailers Stalk You Online
- Now Playing7minFighting the Financial Pitfalls of the Supermarket
- Now Playing7minIs Your Side Hustle Hustling You?
- Now Playing6minIs My Identity Safe From Hackers?
- Now Playing6minFighting the Wedding Industrial Complex
- Now Playing7minWhich College Majors Give the Most Bang for Your Buck?
- Now Playing7minMoney, A Global Game of Trust
- Now Playing7minWhat's The Real Cost of Dying?
- Now Playing6minHow to Ask for a Raise
- Now Playing7minShould I Invest In Cannabis Stocks?
- Now Playing6minTop 5 Biggest Financial Scams
- Now Playing7minWhy It's More Expensive To Be Poor
- Now Playing6minThe Ugly Truth About Airline Miles
- Now Playing6minShould You Break Up With Your Big Bank?
- Now Playing4minWhat is the DOW?
- Now Playing6minDoes Wealth Make You Meaner?
Monstrum
- Now Playing17minTrolls: Scandinavia's Malevolent, Magical Outcasts
- Now Playing6minThe Original Headless Horseman
- Now Playing11minIs Siren Head the Ultimate Modern Monster?
- Now Playing18minUnlocking the Mystery of Loch Ness
- Now Playing9minThe Hidden Origins of Nixie, the Scariest Little Mermaid
- Now Playing11minWhy Has the Majestic Griffin Been Forgotten?
- Now Playing12minHow Gargoyles Became Monsters
- Now Playing11minThe Macabre Origins of the Grim Reaper
- Now Playing20minWhy George Romero Changed Zombies Forever
- Now Playing9minKrampus: Origins of the Yuletide Monster
- Now Playing10minA Giant Monster With a Giant Problem
- Now Playing14minHero, Beast, or Both? The Complex Lore of the Centaur
- 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 Playing10minHow a Children's Book Introduced Us To Our Inner Demons
- Now Playing13minMonster Plants and the Humans who Invent Them
- Now Playing12minWho Is This Japanese Yōkai That Is Obsessed With Your Butt?
- Now Playing12minTaotie: The Mystery of Chinese Mythology's Famous Glutton
- Now Playing12minDon't Let Them In! The Urban Legends of Black-Eyed Children
Eons
- Now Playing10minThe Last Time the Globe Warmed
- Now Playing10minHow Horses Took Over North America (Twice)
- Now Playing12minWhat Was the Ancestor of Everything?
- Now Playing11minWhen We First Walked
- Now Playing12minThe Island of Huge Hamsters and Giant Owls
- Now Playing9minThe Evolution of the Heart (A Love Story)
- Now Playing12minWhen Mammals Only Went Out At Night
- Now Playing8minThese Fossils Were Supposed To Be Impossible
- Now Playing10minWhen Rodents Rafted Across the Ocean
- Now Playing9minWhat a Dinosaur Looks Like Under a Microscope
- Now Playing7minThe Great Snake Debate
- Now Playing12minWhen We Tamed Fire
- Now Playing6minHow Sex Became A Thing
- Now Playing10minWhen Camels Roamed North America
- Now Playing9minHow Vertebrates Got Teeth... And Lost Them Again
- Now Playing8minHow We Domesticated Cats (Twice)
- Now Playing6minThe Story of Saberteeth
- Now Playing6minHow Did Dinosaurs Get So Huge?
- Now Playing10minThe Mystery of South America's False Horses
- Now Playing9minThe First and Last North American Primates
Hot Mess
- Now Playing6minWhat Indigenous Communities Teach Us About Climate Change
- Now Playing5minClimate change will push millions out. Where will they go?
- Now Playing6minWhat if Carbon Emissions Stopped Tomorrow?
- Now Playing5minBeef Is Bad For The Climate. Can We Make It Better?
- Now Playing11minClimate Change is Too Big for our Brains feat. Mike Rugnetta
- Now Playing6minWhat if Carbon Emissions Stopped Tomorrow?
- 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 Playing4minWhy Are Hurricanes Getting Stronger?
- Now Playing5minWhat the Cutest Animal Can Teach Us About Saving Ourselves
- 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 Playing10minThe Link Between Extreme Weather and Climate Change
- Now Playing5minCan Farms and Forests Coexist?
- Now Playing5minWhat Can You Actually Do About Climate Change?
- Now Playing5minWhy Don't We Hear About the Ozone Hole Anymore?
- Now Playing6minCan We Get Solar Power To Everyone Who Wants It?
Space Time
- Now Playing21minInterstellar Expansion WITHOUT Faster Than Light Travel
- Now Playing10minSelf-Replicating Robots and Galactic Domination
- Now Playing13minDo Black Holes Create New Universes?
- Now Playing13minWhite Holes
- Now Playing10minStrange Stars
- Now Playing10minHave Gravitational Waves Been Discovered?!?
- Now Playing12minThe Many Worlds of the Quantum Multiverse
- Now Playing10minTime Crystals!
- Now Playing12minThe Real Science of the EHT Black Hole
- Now Playing9minWhen Time Breaks Down
- Now Playing7minCan A Starfox Barrel Roll Work in Space?
- Now Playing16minWhat Happens Inside a Proton?
- Now Playing10minThe Origin of Matter and Time
- Now Playing10minTelescopes on the Moon
- Now Playing11minThe Fate of the First Stars
- Now Playing14minAre Virtual Particles A New Layer of Reality?
- Now Playing15minIs Pluto a Planet?
- Now Playing10minThe Eye of Sauron Reveals a Forming Solar System!
- Now Playing15minHow To Simulate The Universe With DFT
- Now Playing7minAre We Alone? Galactic Civilization Challenge
Beat Making Lab
- Now Playing3minPanama: Meet the Kids Behind the Beats
- Now Playing5minBehind the Beat: Portobelo
- Now Playing2minWhat's In the Backpack?
- Now Playing3minBeat Making Challenge #1: Accordion Trap
- Now Playing10minHeartbeats of Fiji
- Now Playing2minMashup: National Anthems
- Now Playing2minField Trip: Prison Beats
- Now Playing3minGet Your Drums Right
- Now Playing4minCho Cho Cho (Music Video) filmed in Goma, Congo
- Now Playing2minWalshy Fire [of Major Lazer] Wants Your Riddims
- Now Playing3minFemale Hip Hop Crew Makes Beats in Senegal
- Now Playing3minExclusive Zenga (Music Video) by Flamme Kapaya
- Now Playing3minBeat Making Challenge #2: Kora Riddim
- Now Playing4minDiablos (music video)
- Now Playing3minEpisode 1: Goma, Congo
- 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 Playing3minBehind The Beat: First Beat Making Lab (2011)
- Now Playing4minPortobelo (music video)
Infinite Series
- Now Playing8minAre Prime Numbers Made Up?
- Now Playing14minMaking Probability Mathematical
- Now Playing9minProving Brouwer's Fixed Point Theorem
- Now Playing9minAssociahedra: The Shapes of Multiplication
- Now Playing14minTopology Riddles | Infinite Series
- Now Playing10minUnraveling DNA with Rational Tangles
- Now Playing11minVoting Systems and the Condorcet Paradox
- Now Playing12minProving Pick's Theorem
- Now Playing9minCan You Solve the Poison Wine Challenge?
- Now Playing10minThe Mathematics of Diffie-Hellman Key Exchange
- Now Playing11minTopology vs "a" Topology
- Now Playing13minNetwork Mathematics and Rival Factions | Infinite Series
- Now Playing14minWhy Computers are Bad at Algebra
- Now Playing11minWhat are Numbers Made of?
- 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 Playing14minCan We Combine pi & e to Make a Rational Number?
Idea Channel
- Now Playing6minShould "Happy Birthday" be Protected by Copyright?
- Now Playing6minIs Doctor Who a Religion?
- Now Playing5minIs Homestuck the Ulysses of the Internet?
- Now Playing5minA Visit to Mr. Monfre's Class
- Now Playing5minThere's No Such Thing as Online?!?
- Now Playing6minThe Retro Awesomeness of Adventure Time
- Now Playing9minIs a DOS Attack a Weapon?
- Now Playing4minThe Bronies Phenomenon
- Now Playing3minAn Interview with Minecraft EDU Creator Joel Levin
- Now Playing9minCan Video Games Become the Next Spectator Sport?
- Now Playing4minAre Mashups the End of Music Genres?
- Now Playing8minDo Knock-Offs Prove the Value of a Brand?
- Now Playing6minWhat Do Santa and Wrestling Have In Common?
- Now Playing6minWhat do MP3s and Magic Spells Have in Common?
- Now Playing5minIs Facebook Changing Our Identity?
- Now Playing5minIs CSS and Website Design a Fashion Statement?
- Now Playing5minAre Olympic Competitors Geniuses?
- Now Playing9minIs the Universe a Computer?
- Now Playing5minHow will the Animated GIF affect the Presidential Election?
- Now Playing4minIs Twitter the Newest Form of Literature?