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How old is the Earth?: Crash Course Geology #17 12 perc 
McBarge 2026 Update 15 perc 
They Call It A "Drowning Machine" | Fascinating Horror Shorts 1 perc 
The Insane Engineering of the F-14 Tomcat 30 perc 
Passenger Ferry Sinks While The Crew Parties - The MV Dona Paz | Fascinating Horror 12 perc 
Cancelled - Paramount Park Spain 14 perc 
Susan Kare: Designing Icons & Graphics For the Original Mac 52 perc 
They Found an Ancient Model Plane in an Egyptian Tomb 90 perc 
This Football Could End the World | Fascinating Horror Shorts 1 perc 
Why The Harness Matters More Than The Model | YC Paper Club 61 perc 
Shark Tank Pitches That Turned Into Disasters 21 perc 
The Pi Song 3.0 (Memorize 300 Digits Of π) 5 perc 
It's way different than you think 6 perc 
This magnet can invert your brain, and it’s saving lives 3 perc 
Name That Infrastructure (Ep. 4) #shorts 1 perc 
You will never ‘see’ the same way again … 👀 2 perc 
What Happens When Science Clashes with the Public?: Crash Course Scientific Thinking #7 13 perc 
Why do nipples become erect? 2 perc 
Debunking the bulls**t 10 perc 
Happy Teacher Appreciation Week! 1 perc 
Is the Secret to Treating Schizophrenia in... Engineering? 23 perc 
Marshall spots some TREATS with his telescope! 🔭 1 perc 
Pingu in a Box! 🐧 | Pingu - Official Channel | Cartoons For Kids 65 perc 
Sinister & Unsolved: Campfire Compilation 186 perc 
PAW Patrol's Jungle Pups Rescue Animals! 🐯 w/ Marshall & Tracker | 2 Hours | Nick Jr. 121 perc 
Sneaking Into The Palace To Meet The Queen | Mr Bean Animated 25 perc 
🌳 Chase and Skye lift a HUGE tree with helicopters! 1 perc 
Mr Bean Sells Bunny Bears and Saves the Captain | Mr Bean Animated 24 perc 
Mikey accidentally makes a PIZZA MONSTER! 🍕👹 | Nick Jr. 1 perc 
Ruby Teddy and the Fireworks Chaos | Mr Bean Animated 25 perc 
Uncovering America's Underwater City 21 perc 
My First FAILURE!! 9 perc 
The Craziest Experiment Humans Have Ever Built 18 perc 
Hurricane vs. Tiny Houses 23 perc 
Olympic weightlifting, explained 9 perc 
Why Gravity Is A Lie, explained in Zero G 23 perc 
Buying a 1 euro House in Italy - is it a scam? 42 perc 
How the Channel Tunnel Works 24 perc 
50 Hours on Europe's Most Dangerous Island 32 perc 
How A Zero G Plane Works 1 perc 
Digging a SECRET GARAGE Part 5 Major Progress 39 perc 
Checking the TUNNELS under my house 1 perc 
Name That Infrastructure (Ep. 5) #shorts 1 perc 
Amazing LEGO Tea Bag Machine 1 perc 
I Thought this would be Safe! 17 perc 
Building the BATCAVE 1 perc 
Prohibition - OverSimplified 34 perc 
How Earthquake Bearings Work 19 perc 
Why Does Nobody Travel to South America's Strangest Countries? 35 perc 
What does a parent owe their child? | The Gray Area 27 perc 
Europe's Most Remote Island Village (400 people live here) 41 perc What do iron deposits, fossils, and radioactive meteorites have in common? They’re all keeping records of our geologic history, the unimaginably long period of time that our Earth has been swinging around the sun. In this episode, we’ll look back into geologic time, discovering what we know, how we know it, and what it all means. Introduction: Michigan's Upper Peninsula 00:00 What is geologic time? 0:39 How do we study geologic time? 3:06 How old is Earth, and how do we know? 7:43 Review and Credits 10:34 Sources: https://docs.google.com/document/d/1RpwM8ZQPFk_DkzMJjMdtRrNGrJSNJ7FbgmQybSZ2Cqo/edit?tab=t.0 Check out our CC Geology Extracurricular Playlist here: https://www.youtube.com/playlist?list=PL8dPuuaLjXtOmqnkvEtNVOrm0eaIjFjJ7 *** Support us for $5/month on Patreon to keep Crash Course free for everyone forever! https://www.patreon.com/crashcourse Or support us directly: https://complexly.com/support Join our Crash Course email list to get the latest news and highlights: https://mailchi.mp/crashcourse/email Get our special Crash Course Educators newsletter: http://eepurl.com/iBgMhY Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever: b.sav, Martin G. Diller, Scezumin, Johnathan Williams, Mike Cumings, Jr., Allison Wood, NassauLinda, Chuck Smith, Katrix , Jason Terpstra, Jennifer Wiggins-Lyndall, Dalton Williams, DexcilaDou, Chelsea S, Matthew Fredericksen, AThirstyPhilosopher ., Scezumin, AThirstyPhilosopher ., Emily Beazley, Andrew Woods, DexcilaDou, Roger Harms, UwU, Johnathan Williams, Kyle & Katherine Callahan, Stephen Akuffo, Jennifer Wiggins-Lyndall, Shruti S, Barbara Pettersen, Gina Mancuso, Dalton Williams, Toni Miles, Mike Cumings, Jr., Quinn Harden, Michael Maher, Jason Terpstra, Matthew Fredericksen, Rie Ohta, Chuck Smith, Allison Wood, David Fanska, Katrix , Chelsea S, b.sav, Brandon Thomas, Steve Segreto, Elizabeth LaBelle, Reed Spilmann, Leah H., NassauLinda, Kevin Knupp, Martin G. Diller, Ken Davidian, oranjeez, Laurel Stevens, Jason Buster, Alan Bridgeman, Samantha, Jason Rostoker, Breanna Bosso, Caleb Weeks, Joseph Ruf, Ken Penttinen, Luke Sluder, Wai Jack Sin, Siobhán, Krystle Young, Matt Curls, Stephen McCandless, Eric Koslow, John Lee, Tandy Ratliff, Perry Joyce, Sarah & Nathan Catchings, Rizwan Kassim, Katie Dean, Ian Dundore, team dorsey, Erminio Di Lodovico, Barrett, Trevin Beattie, Bernardo Garza, Kristina D Knight, Nathan Taylor, Emily T, Constance Urist, Jennifer Killen, Thomas, Alex Hackman, Triad Terrace, Indija-ka, Evol Hong, Scott Harrison, Pietro Gagliardi, Les Aker, Tanner Hedrick __ Want to find Crash Course elsewhere on the internet? Instagram - https://www.instagram.com/thecrashcourse/ Facebook - http://www.facebook.com/YouTubeCrashCourse Bluesky - https://bsky.app/profile/thecrashcourse.bsky.social CC Kids: http://www.youtube.com/crashcoursekids
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