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Two CentsTWO CENTS, a new weekly series about personal finance for millennials and Gen Z.
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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 Playing3minWhere Does the Smell of Rain Come From?
- Now Playing3minBuilding Curiosity
- Now Playing7minWhich Life Form REALLY Dominates Earth?
- Now Playing4minCuttlefish: Tentacles In Disguise
- Now Playing9minSo You Want to go to Mars?
- Now Playing6minThe Surprising Origin of Thanksgiving Foods
- Now Playing10minExoplanets: Are There Other Earths?
- Now Playing6minThe Delicious Science of CHEESE!
- Now Playing3minYour Mom is LITERALLY Part Of You!
- Now Playing5minHow Many Heartbeats Do We Get?
- Now Playing3minDoes Evolution Have a Point? 12 Days of Evolution #12
- Now Playing8minIs Space A Thing?
- Now Playing4minWe're Mainly Microbe: Meet Your Microbiome
- Now Playing5minBeavers: The Smartest Things in Fur Pants
- Now Playing5minWhy Do We Itch?
- Now Playing6minWhy Are Cicadas So Good At Math?
- Now Playing7minCould You Be Immune To Everything?
- Now Playing7minInside the World of Fire Ants!
- Now Playing8minNobel Prizes: Past, Present... and Future?
- Now Playing8minThe Deadliest Flu Season in History?
Origin of Everything
- Now Playing8minWhy Do We Get Grades in School?
- Now Playing10minWhy Does the Government Need to Know My Race?
- Now Playing10minWhat is Ethnicity?
- Now Playing12minWhy Doesn't the US Have Paid Parental Leave?
- Now Playing7minWhen Men Wore High Heels
- Now Playing10minHow Did Martin Luther King Jr. Get a Holiday?
- Now Playing8minWhy Do Women Give Birth Lying Down?
- Now Playing10minWhat is Cultural Appropriation?
- Now Playing7minHistory of the Word "Gay"
- Now Playing7minIs Poisoned Halloween Candy a Myth?
- Now Playing10minWhy was Pink for Boys and Blue for Girls?
- Now Playing8minWhy is there a North and South Korea?
- Now Playing7minHow Columbus Invented Cannibals
- Now Playing7minHow Your Rubber Ducky Explains Colonialism
- Now Playing10minIs Breakfast the Most Important Meal?
- Now Playing7minHow did Makeup, WWII, & Communism Create U.S. Healthcare?
- Now Playing12minWhy Do Schools Teach Sex Education?
- Now Playing7minWhy Do We Say "Asian American" Not "Oriental"?
- Now Playing8minWhen DId Marriage Become about Love?
- Now Playing8minWhy Was Crossdressing Illegal?
Two Cents
- Now Playing7minWhy It's More Expensive To Be Poor
- Now Playing6minTop 5 Biggest Financial Scams
- Now Playing7minShould I Invest In Cannabis Stocks?
- Now Playing7minWhat's The Real Cost of Dying?
- Now Playing6minHow to Ask for a Raise
- Now Playing7minMoney, A Global Game of Trust
- Now Playing6minFighting the Wedding Industrial Complex
- Now Playing6minIs My Identity Safe From Hackers?
- Now Playing7minWhich College Majors Give the Most Bang for Your Buck?
- Now Playing7minIs Your Side Hustle Hustling You?
- Now Playing7minHow Retailers Stalk You Online
- Now Playing5minInsta-Everything
- Now Playing5minDo Kids Need to Learn About Money?
- Now Playing7minFighting the Financial Pitfalls of the Supermarket
- Now Playing9minHow Smart Entrepreneurs Think About PRICES!
- Now Playing6minI'm Young & Healthy, Can I Skip Health Insurance?
- Now Playing5minHow Do Your Tax Dollars Get Spent?
- Now Playing8min5 Strange Investor Crazes!
- Now Playing5minHow are credit scores calculated?
- Now Playing7minCan You Really Retire in Your 30s?
Monstrum
- 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 Playing11minIs Siren Head the Ultimate Modern Monster?
- Now Playing6minThe Original Headless Horseman
- Now Playing17minTrolls: Scandinavia's Malevolent, Magical Outcasts
- Now Playing12minWho Is This Japanese Yōkai That Is Obsessed With Your Butt?
- Now Playing13minMonster Plants and the Humans who Invent Them
- Now Playing17minThe Origins of the Zombie, from Haiti to the U.S.
- Now Playing10minEl Silbón: The Deadly Whistler of the Grasslands
- Now Playing10minSlender Man: How The Internet Created a Monster
- Now Playing10minHow a Children's Book Introduced Us To Our Inner Demons
- Now Playing14minHero, Beast, or Both? The Complex Lore of the Centaur
- Now Playing10minA Giant Monster With a Giant Problem
- Now Playing20minWhy George Romero Changed Zombies Forever
- Now Playing9minKrampus: Origins of the Yuletide Monster
- Now Playing31minThe Werewolf's Modern Metamorphosis
- Now Playing12minBeyond the Supernatural Horror of the Nishi Daak Ghost
Eons
- Now Playing9minThe Rise and Fall of the Bone-Crushing Dogs
- Now Playing10minHow Pollination Got Going Twice
- Now Playing7minWhy Do Things Keep Evolving Into Crabs?
- Now Playing11minHow the Starfish Got Its Arms
- Now Playing11minThe Story of the Dino Stampede
- Now Playing10minThe Facts About Dinosaurs & Feathers
- Now Playing10minWhen Ichthyosaurs Led a Revolution in the Seas
- Now Playing10minHow a Supervolcano Made the Cenozoic's Coolest Fossils
- Now Playing8minThe Ancient Human Species With A Missing Body
- Now Playing10minThat Time The Ocean Lost (Almost) All Its Oxygen
- Now Playing6minThe Most Useful Fossils In The World
- Now Playing10minThe Last Time the Globe Warmed
- Now Playing9minThe Whole Saga of the Supercontinents
- Now Playing6minHistory's Most Powerful Plants
- Now Playing8minHow Ankylosaurs Got Their Clubs
- Now Playing8minWhere Did Viruses Come From?
- Now Playing9minThe Sudden Rise of the First Colossal Animal
- Now Playing11minWhen Penguins Went From The Sky To The Sea
- Now Playing8minThe Mystery of the Eocene's Lethal Lake
- Now Playing11minThe Mystery Behind the Biggest Bears of All Time
Hot Mess
- Now Playing6minWould Your Neighbors Save You From a Flooding Home?
- Now Playing5minWhy We Confuse Weather and Climate
- Now Playing4minCould Space Mirrors Cool The Globe?
- Now Playing3minCould climate change make you allergic to meat?
- Now Playing4minCould Space Mirrors Cool The Globe?
- Now Playing6minCan We Get Solar Power To Everyone Who Wants It?
- Now Playing10minThe Link Between Extreme Weather and Climate Change
- Now Playing5minWhat Can You Actually Do About Climate Change?
- Now Playing5minCan Farms and Forests Coexist?
- Now Playing5minWhy Don't We Hear About the Ozone Hole Anymore?
- Now Playing7minHow To Make Clothes Less Terrible for the Planet
- Now Playing9minHow to Talk About Climate Change
- Now Playing8minHow One Conservative Texas Town Went 100% Renewable
- Now Playing5minHow A Sticker Kept 3 Billion Tons of CO2 Out of The Air
- Now Playing11minClimate Change is Too Big for our Brains feat. Mike Rugnetta
- 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 Playing6minWhat Indigenous Communities Teach Us About Climate Change
- Now Playing5minWhat the Cutest Animal Can Teach Us About Saving Ourselves
Space Time
- Now Playing13minCan Space Be Infinitely Divided?
- Now Playing11minExtraterrestrial Superstorms
- Now Playing17minWhat's Your Brain's Role in Creating Space & Time?
- Now Playing12minNeutron Stars Collide in New LIGO Signal?
- Now Playing11minSupervoids vs Colliding Universes!
- Now Playing13minThe Secrets of Feynman Diagrams
- Now Playing12minThe Nature of Nothing
- Now Playing16minHow Are Quasiparticles Different From Particles?
- Now Playing13minSound Waves from the Beginning of Time
- Now Playing14minHow Many States Of Matter Are There?
- Now Playing13minWhy Did Attosecond Physics Win the Nobel Prize?
- Now Playing11minThe Unruh Effect
- Now Playing15minCan The Crisis in Cosmology Be Solved With Cosmic Voids?
- Now Playing15minThe Real Possibility of Mapping Alien Planets!
- Now Playing14minHow We Know The Earth Is Ancient
- Now Playing11minWhy Quasars are so Awesome
- Now Playing13minDark Flow
- Now Playing10minWhat's Wrong With the Big Bang Theory?
- Now Playing15minCould We Decode Alien Physics?
- Now Playing13minWill You Travel to Space?
Beat Making Lab
- Now Playing2minWalshy Fire [of Major Lazer] Wants Your Riddims
- Now Playing4minCho Cho Cho (Music Video) filmed in Goma, Congo
- 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 Playing2minHealth Worker Beat
- Now Playing4minTrapped In Paradise
- Now Playing4minPortobelo (music video)
- Now Playing3minBehind The Beat: First Beat Making Lab (2011)
- 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 Playing3minEpisode 1: Goma, Congo
- Now Playing4minDiablos (music video)
- Now Playing3minExclusive Zenga (Music Video) by Flamme Kapaya
Infinite Series
- Now Playing9minA Hierarchy of Infinities
- Now Playing15minArrow's Impossibility Theorem
- Now Playing11minVoting Systems and the Condorcet Paradox
- Now Playing14minInfinite Chess
- Now Playing15minDissecting Hypercubes with Pascal's Triangle
- Now Playing9minBeyond the Golden Ratio
- Now Playing11minSingularities Explained
- Now Playing8minHow to Divide by "Zero"
- Now Playing9minHow Many Humans Have the Same Number of Body Hairs?
- Now Playing10minThe Assassin Puzzle
- 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 Playing16minHow to Break Cryptography
- Now Playing14minHow Big are All Infinities Combined? (Cantor's Paradox)
- Now Playing9minThis Video was Not Encrypted with RSA
- Now Playing13minWhat is a Random Walk?
- Now Playing12minThe Honeycombs of 4-Dimensional Bees ft. Joe Hanson
- Now Playing10minThe Assassin Puzzle
Idea Channel
- Now Playing8minWhy Do We Love Zombies?
- Now Playing5minNicolas Cage, Taoism, and YOLO
- Now Playing4minIs Instagram Revolutionizing Photography?
- Now Playing5minIs Dubstep the New Musical Avant-Garde?
- Now Playing5minIs Homestuck the Ulysses of the Internet?
- Now Playing5minDo We Want the World to End?
- Now Playing5minIs Dubstep the New Musical Avant-Garde?
- Now Playing8minIs Buying Call of Duty a Moral Choice?
- Now Playing5minWill Space Travel Save Us All?
- Now Playing5minAre Memes and Internet Culture Creating a Singularity?
- Now Playing4minFrom Sherlock Holmes to 50 Shades of Grey
- Now Playing6minAre Virtual Video Game Economies Becoming Real?
- Now Playing7minCan Dungeons & Dragons Make You Confident & Successful?
- Now Playing6minAre MP3s & Vinyl Better than Live Music?
- Now Playing4minHas the Microsoft Kinect revolutionized art?
- Now Playing5minIs Facebook Changing Our Identity?
- Now Playing6minWhat do MP3s and Magic Spells Have in Common?
- Now Playing4minThe Bronies Phenomenon
- Now Playing3minWhat Makes a Pop Star Authentic?
- Now Playing4minIs Twitter the Newest Form of Literature?