Show Notes
In which John Green explores exactly when Rome went from being the Roman Republic to the Roman Empire. Here's a hint: it had something to do with Julius Caesar, but maybe less than you think. Find out how Caesar came to rule the empire, what led to him getting stabbed 23 times on the floor of the senate, and what happened in the scramble for power after his assassination. John covers Rome's transition from city-state to dominant force in the Mediterranean in less than 12 minutes. Well, Rome's expansion took hundreds of years, he just explains it in under 12 minutes. The senate, the people, Rome, the caesarian section, the Julian calendar, and our old friend Pompey all make appearances, but NOT the Caesar Salad, as Julius had nothing to do with it.Chapters:Introduction: SPQR 00:00The Roman Republic 0:41The Roman Senate 1:15Cincinnatus 2:14Gaius Julius Caesar 2:49The First Triumvirate: Pompey, Crassus, and Caesar 3:40The End of Caesar's Reign 5:22The Second Triumvirate: Octavian, Mark Antony, and Lepidus 6:26An Open Letter to the Roman Senate 7:05Power Struggles in the SPQR 8:07The Punic Wars 9:47Credits 11:44Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourseWant to find Crash Course elsewhere on the internet?Facebook - http://www.facebook.com/YouTubeCrashCourseTwitter - http://www.twitter.com/TheCrashCourseInstagram - https://www.instagram.com/thecrashcourse/CC Kids: http://www.youtube.com/crashcoursekids Learn more about your ad choices. Visit megaphone.fm/adchoices
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In which John compares and contrasts Greek civilization and the Persian Empire. Of course, we're glad that Greek civilization spawned modern western civilization, right? Maybe not. From Socrates and Plato to Darius and Xerxes, John explains two of the great powers of the ancient world, all WITHOUT the use of footage from 300.Chapters:Introduction 00:00The Persian Empire 0:39An Open Letter to Aristophanes 3:33Ionian Greek City-States 5:04The Persian Wars 5:44The Peloponnesian War 7:21Did the Right Side Win the Persian Wars? 9:09Credits 11:09Resources:The Histories of Herodotus: http://goo.gl/I1TM9uPlato: http://goo.gl/GEcfWXPlays of Aristophanes: http://goo.gl/xzb9FfCrash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourseWant to find Crash Course elsewhere on the internet?Facebook - http://www.facebook.com/YouTubeCrashCourseTwitter - http://www.twitter.com/TheCrashCourseInstagram - https://www.instagram.com/thecrashcourse/CC Kids: http://www.youtube.com/crashcoursekids Learn more about your ad choices. Visit megaphone.fm/adchoices
Hank imagines himself breaking into the Hot Pockets factory to steal their secret recipes and instruction manuals in order to help us understand how the processes known as DNA transcription and translation allow our cells to build proteins.Table of Contents:1) Transcription 2:12 A) Transcription Unit 3:00 B) Promoter 3:10 C) TATA Box 3:32 D) RNA Polymerase 4:12 E) mRNA 4:15 F) Termination signal 5:21 G) 5' Cap & Poly-A Tail 5:342) RNA Splicing 6:08 A) SNuRPs & Spliceosome 6:26 B) Exons & Introns 6:563) Translation 7:28 A) mRNA & tRNA 8:01 B) Triplet Codons & Anticodons 8:394) Folding & Protein Structure 10:51 A) Primary Structure 11:11 B) Secondary Structure 11:23 C) Tertiary Structure 11:58 D) Quaternary Structure 12:44Links to episodes referenced in the video:DNA structure episode: http://www.youtube.com/watch?v=8kK2zwjRV0MAnimal cells episode: http://www.youtube.com/watch?v=cj8dDTHGJBYFold-it SciShow episode: http://www.youtube.com/watch?v=JdBcpdH_ptAThis video contains the following sounds from Freesound.org:"IMPresora.wav" by melack"swishes.wav" by pogotronCrash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourseWant to find Crash Course elsewhere on the internet?Facebook - http://www.facebook.com/YouTubeCrashCourseTwitter - http://www.twitter.com/TheCrashCourseInstagram - https://www.instagram.com/thecrashcourse/CC Kids: http://www.youtube.com/crashcoursekids Learn more about your ad choices. Visit megaphone.fm/adchoices
In 2010, a NASA-backed study boldly announced that we’d found alien life right here on Earth. So where are all these aliens? In this episode of Crash Course Scientific Thinking, we search for the truth and learn how science is an ongoing quest for knowledge that double-checks itself through peer review.Introduction: Alien Life? 00:00Arsenic-based Life 0:28Peer Review 2:55Replication 6:06The Scientific Process 8:25Review & Credits 9:25Sources: https://docs.google.com/document/d/1Kv2_mFsDxQURuFDxpflD45dy-pCxlqnM9iPSNYxigmQ/edit?tab=t.0#heading=h.vk5i2fgqyumq***Support us for $5/month on Patreon to keep Crash Course free for everyone forever! https://www.patreon.com/crashcourseOr support us directly: https://complexly.com/supportJoin our Crash Course email list to get the latest news and highlights: https://mailchi.mp/crashcourse/emailGet our special Crash Course Educators newsletter: http://eepurl.com/iBgMhYThanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever:Mitch Gresko, Roger Harms, Brandon Thomas, Ken Davidian, AThirstyPhilosopher ., Michael Maher, Johnathan Williams, Chelsea S, oranjeez, EllenBryn, Katrix , Evan Nelson, Shruti S, UwU, Leah H., Allison Wood, Thomas Sully, Jennifer Wiggins-Lyndall, Dalton Williams, Quinn Harden, Chuck Smith, Andrew Woods, Kevin Knupp, Rie Ohta, Jason Terpstra, NassauLinda, Martin G. Diller, Matthew Fredericksen, Gina Mancuso, Elizabeth LaBelle, DexcilaDou, Barbara Pettersen, SpaceRangerWes, Emily Beazley, David Fanska, Reed Spilmann, Pietro Gagliardi, Jason Rostoker, Toni Miles, Les Aker, Alex Hackman, Liz Wdow, Wai Jack Sin, team dorsey, Rizwan Kassim, Eric Koslow, John Lee, Triad Terrace, Duncan W Moore IV, Matt Curls, ClareG, Emily T, Kristina D Knight, Stephen McCandless, Barrett, Bernardo Garza, Katie Dean, Laurel Stevens, Ian Dundore, Thomas, Trevin Beattie, Steve Segreto, Joseph Ruf, Nathan Taylor, Constance Urist, Jason Buster, Stephen Akuffo, Sarah & Nathan Catchings, Kyle & Katherine Callahan, Perry Joyce, Ken Penttinen, Tanner Hedrick, Scott Harrison, Jennifer Killen, Breanna Bosso, Alan Bridgeman, Siobhán, Krystle Young, Indija-ka Siriwardena, Samantha, Evol Hong, Tandy Ratliff, Erminio Di Lodovico, Luke Sluder, Caleb Weeks__Want to find Crash Course elsewhere on the internet?Instagram - https://www.instagram.com/thecrashcourse/Facebook - http://www.facebook.com/YouTubeCrashCourseBluesky - https://bsky.app/profile/thecrashcourse.bsky.socialCC Kids: http://www.youtube.com/crashcoursekids Learn more about your ad choices. Visit megaphone.fm/adchoices
For most of human history, one thing has been true – we LOVE shiny things. Gems are the crown jewels (pun intended) of geology, and for thousands of years, we’ve wanted to know all about them. In today’s episode of Crash Course Geology, we’ll explore some of those burning questions, like, what are they? Where do they come from? And are they actually that special? Learn more with these resources:Human Rights Watch: The Hidden Cost of Jewelry https://www.hrw.org/report/2018/02/08/hidden-cost-jewelry/human-rights-supply-chains-and-responsibility-jewelryGemological Institute of America: The Color of Responsibility: Ethical Issues and Solutions in Colored Gemstoneshttps://www.gia.edu/doc/GG-SU16-Archuleta.pdfIntroduction: King Tut's Space Gem 00:00What is a Gem 0:38Gem Qualities 3:45The Gem Trade 6:46Review and Credits 8:42Sources: 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/crashcourseOr support us directly: https://complexly.com/supportJoin our Crash Course email list to get the latest news and highlights: https://mailchi.mp/crashcourse/emailGet our special Crash Course Educators newsletter: http://eepurl.com/iBgMhYThanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever:Mike Cumings, Jr., NassauLinda, Chuck Smith, DexcilaDou, Martin G. Diller, Johnathan Williams, Allison Wood, Katrix , Jason Terpstra, Evan Nelson, Jennifer Wiggins-Lyndall, Dalton Williams, Chelsea S, Matthew Fredericksen, AThirstyPhilosopher ., Michael Maher, Mitch Gresko, Gina Mancuso, Roger Harms, Shruti S, Quinn Harden, Reed Spilmann, Brandon Thomas, Emily Beazley, Rie Ohta, oranjeez, UwU, Elizabeth LaBelle, Leah H., David Fanska, Andrew Woods, Kevin Knupp, Barbara Pettersen, Ken Davidian, Stephen Akuffo, Toni Miles, Steve Segreto, Kyle & Katherine Callahan, Laurel Stevens, Tanner Hedrick, Kristina D Knight, Samantha, Krystle Young, Perry Joyce, Scott Harrison, Alan Bridgeman, Breanna Bosso, Matt Curls, Jennifer Killen, Duncan W Moore IV, Sarah & Nathan Catchings, team dorsey, Bernardo Garza, Trevin Beattie, Pietro Gagliardi, John Lee, Eric Koslow, Indija-ka Siriwardena, Jason Rostoker, Siobhán, Ken Penttinen, Nathan Taylor, Barrett, Les Aker, ClareG, Rizwan Kassim, Constance Urist, Alex Hackman, Triad Terrace, Katie Dean, Jason Buster, Emily T, Stephen McCandless, Thomas, Joseph Ruf, Wai Jack Sin, Ian Dundore, Erminio Di Lodovico, Evol Hong, Tandy Ratliff, Caleb Weeks, Luke Sluder__Want to find Crash Course elsewhere on the internet?Instagram - https://www.instagram.com/thecrashcourse/Facebook - http://www.facebook.com/YouTubeCrashCourseBluesky - https://bsky.app/profile/thecrashcourse.bsky.socialCC Kids: http://www.youtube.com/crashcoursekids Learn more about your ad choices. Visit megaphone.fm/adchoices
In which John Green teaches you the history of Christianity, from the beginnings of Judaism and the development of monotheism, right up to Paul and how Christianity stormed the Roman Empire in just a few hundred years. Along the way, John will cover Abram/Abraham, the Covenant, the Roman Occupation of Judea, and the birth, life, death, and legacy of Jesus of Nazareth. No flame wars! Let's keep the commentary civil.Chapters: Introduction: The Son of God 00:00Understanding the Jewish Tradition 0:33Herod and Herod - Roman Rulers 3:32Jesus of Nazareth 4:27Why did people believe Jesus was the Messiah? 5:56Why was Jesus so influential? 7:39Saul / Paul of Tarsus 8:38An Open Letter to The Fish (Ichthys) 9:16How Christianity Survived 10:13Credits 11:06Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourseWant to find Crash Course elsewhere on the internet?Facebook - http://www.facebook.com/YouTubeCrashCourseTwitter - http://www.twitter.com/TheCrashCourseInstagram - https://www.instagram.com/thecrashcourse/CC Kids: http://www.youtube.com/crashcoursekids Learn more about your ad choices. Visit megaphone.fm/adchoices