Nursery rhymes might sound harmless, but many of them are tied to centuries of political unrest, economic struggles, and bizarre historical theories. In this episode of Mental Floss, Carara breaks down the dark interpretations behind famous rhymes like Ring Around the Rosie, Baa Baa Black Sheep, Jack and Jill, Three Blind Mice, London Bridge Is Falling Down, Rockabye Baby, and more. Read full article here: https://www.mentalfloss.com/literature/nursery-rhymes/dark-origins-11-classic-nursery-rhymes Don't miss a video! Subscribe NOW: https://www.youtube.com/@MentalFloss?sub_confirmation=1 About Mental Floss: Mental Floss is where curious people come for trivia-tastic information. Mental Floss produces lists of fun facts, debunks common misconceptions, and tells untold stories from history, science, culture and more. Website: http://www.mentalfloss.com Twitter: http://www.twitter.com/mental_floss Facebook: https://facebook.com/mentalflossmagazine Discord: https://discord.io/mentalfloss Copyright Notice: This video and YouTube channel contain dialog, music, and images that are property o…

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Source/provenance: Geography Now on YouTube — https://www.youtube.com/watch?v=7m5vpHT0nQI
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Ketamine has properties of a hallucinogen, a painkiller, and an antidepressant, but it doesn't fit neatly into any of those categories. So what is it? And is it safe? Hosted by: Savannah Geary (they/them) ---------- Support us for $8/month on Patreon and keep SciShow going! https://www.patreon.com/scishow Or support us directly: https://complexly.com/support Join our SciShow email list to get the latest news and highlights: https://mailchi.mp/scishow/email ---------- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Shaji John, Timos Gies, Jon Coffman, Anita, Anne Herrington, Ashley Moquin, yeyette, David Johnston, Cye Stoner, Jp Lynch, Bethany Matthews, Chris Curry, J.V. Rosenbalm, Blood Doctor Kelly, Toyas Dhake, Reed Spilmann, Garrett Galloway, Friso, Lyndsay Brown, Jeremy Mattern, Jaap Westera, Matt Curls, Eric Jensen, Chris Mackey, Adam Brainard, Jacob Puthoff, Piya Shedden, Steve Gums, Alex Hackman, Kevin Knupp, Chris Peters, Kevin Bealer, Joseph Ruf, Jason A Saslow ---------- Looking for SciShow elsewhere on the internet?…

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Thank you, Bonnie Bees, for making this video possible: https://www.patreon.com/cgpgrey ## Related Videos + Talking about Making the video on Cortex: https://www.youtube.com/watch?v=dYYPV-ZlRIk + How to be a Pirate: https://www.youtube.com/watch?v=3YFeE1eDlD0 + Social Security Numbers: https://www.youtube.com/watch?v=Erp8IAUouus + Metric Paper: https://www.youtube.com/watch?v=pUF5esTscZI ## Special Thanks + Mylos Besseling: www.youtube.com/c/mylosairplanefan + Dr. Charlie Freeman: Department Chair and Distinguished Teaching Professor at SUNY Geneseo + Doug Moss: Owner of AeroPacific Consulting + John H. Mott: Advanced Aviation Analytics Institute for Research at Purdue University + Office of the Secretary General: International Civil Aviation Organization + Derek Muller: https://www.youtube.com/veritasium ## Patreon Executive Producers: Bobby, Bob Kunz, Andrew Bereza, Rebecca Wortham, Nevin Spoljaric, Donal Botkin, BN-12, Marco Arment, George Lin, Richard Jenkins, Phil Gardner, Martin, Steven Grimm, David Tyler, iulus, Xueqi, Colin Millions, Oliver Steele, Andrea Di Biagio, Henry Ng,…

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Source/provenance: Vsauce on YouTube — https://www.youtube.com/watch?v=V6HRAcwFyec
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Get your very own Garlic Plushie now, while you still can: https://www.makeship.com/products/garlic-plushie We look through windows every single day, yet the fact we can see a clear image through them is actually kind of amazing - this video explains why. More garlic: https://www.youtube.com/watch?v=LT1UuQO2C6g Snell's Law: https://personal.math.ubc.ca/~cass/courses/m309-01a/chu/Fundamentals/snell.htm Link to Patreon Supporters: http://www.minutephysics.com/supporters/ And Facebook: http://facebook.com/minutephysics Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all in a minute! Created by Henry Reich Produced by Joshua Chawner

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How was the "unbreakable" enigma cracked? Sponsored by Incogni - use code veritasium at https://incogni.com/veritasium to get an exclusive 60% off your annual subscription. If you’re looking for a molecular modelling kit, try Snatoms, a kit I invented where the atoms snap together magnetically - https://ve42.co/SnatomsV For the latest science news, and for an exclusive bonus Q&A with the director of this video, sign up to the Veritasium newsletter - https://ve42.co/Newsletter For early access to work in progress videos join our patreon https://ve42.co/VePatreon ▀▀▀ 0:00 Who invented Enigma? 4:16 How did Enigma work? 10:51 The Secret Spy Mansion 13:10 The First Codebreakers Who Broke Enigma 16:45 Trying To Decrypt An Enigma Message 22:35 Who was Alan Turing? 26:30 How Enigma’s Flaws Were Exploited 34:27 Breaking Enigma - The Bombe 41:39 The Naval Enigma 44:35 What did Alan Turing do after Bletchley Park? ▀▀▀ A huge thanks out to Sir Dermot Turing, Jonah Weinbaum, Andrew Fryer, John Pickles, Peter Hoath, Robert Dowell and all of the experts at Bletchley Park & The National Museum of Co…

Source/provenance: Veritasium on YouTube — https://www.youtube.com/watch?v=JsBZOcqZerk
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James Grime blind ranks five numbers and constants. More links & stuff in full description below ↓↓↓ Related videos 1 is not prime: https://youtu.be/IQofiPqhJ_s e: https://youtu.be/AuA2EAgAegE Root 2: https://youtu.be/5sKah3pJnHI Graham's Number: https://youtu.be/HX8bihEe3nA Tau: https://youtu.be/83ofi_L6eAo

Source/provenance: Numberphile on YouTube — https://www.youtube.com/watch?v=UmuMgA_RxnU
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Electric charge is a scalar quantity and is described as positive or negative. Coulomb’s law describes the electrostatic force between two charged objects as directly proportional to the magnitude of each of the charges and inversely proportional to the square of the distance between the objects. The direction of the electrostatic force depends on the signs of the charges of the interacting objects and is along the line of separation between the objects. Free space has a constant value of electric permittivity that appears in physical relationships. Sections: 00:00 - What is electric charge? 01:39 - Positive and negative charge in atoms 02:30 - The elementary charge 04:03 - Coulomb’s law 06:00 - Coulomb’s constant and permittivity 07:36 - How materials affect electric force 09:18 - Adding forces from multiple charges 11:57 - Summary ------------------ Khan Academy is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. Khan Academy has been translated into dozens of languages, and 15 million people around the globe learn on Khan A…

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How did U.S. politics get so divisive? In this episode of Crash Course Big Questions: U.S. Government and Politics, we’ll pull back the curtain on how Republican and Democrat became synonymous with “conservative” and “liberal,” and why politics today has gotten so polarized and personal. Chapter 1 - Introduction: Political Polarization 00:00 Chapter 2 - Ideological Sorting 2:28 Chapter 3 - Social Sorting 6:24 Chapter 4 - Political Identities 7:57 Chapter 5- Consequences of Political Polarization 9:05 Chapter 6 - Review & Credits 10:59 Sources: https://docs.google.com/document/d/1naWmymw68W9x6GAix9e4jTrEIRXT0-F3IniP3LSscOo/edit?tab=t.0 For supplemental resources related to the topics covered in this episode, check out: https://usafacts.org/crash-course/political-polarization/ Check out our CC US Government Extracurricular Playlist here: https://www.youtube.com/playlist?list=PLNTetGA7m3IA *** 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 e…

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Full video: https://youtu.be/Nbwv5wHQoj0

Source/provenance: 3Blue1Brown on YouTube — https://www.youtube.com/watch?v=bRQEWPA832A
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