If you're interested in learning more about the Russian government's 2022 invasion of Ukraine, check out this vlogbrothers video published on 3/15/2022: https://www.youtube.com/watch?v=mMZYKxgc9TE

In which John Green teaches you how Russia evolved from a loose amalgamation of medieval principalities known as the Kievan Rus into the thriving democracy we know today. As you can imagine, there were a few bumps along the road. It turns out that our old friends the Mongols had quite a lot to do with unifying Russia. In yet another example of how surprisingly organized nomadic raiders can be, the Mongols brought the Kievan Rus together under a single leadership and concentrated power in Moscow. This set the stage for the various Ivans (the Great and the Terrible) to throw off the yoke and form a pan-Russian nation ruled by an autocratic leader. More than 500 years later, we still have autocratic leadership in Russia. All this, plus a rundown of some of our favorite atrocities of Ivan the Terrible, and a visit from Putin!

Chapters:
Introduction 00:00
The Kievan Rus 0:44
Trade in 11th-century Kiev (Kyiv) 1:28
Leadership & Government in Kiev (Kyiv) 2:15
Mongol Rule and the Era of Appanage Russia 2:50
The Mongols' Influence on Russia 3:19
How did Moscow become so prominent? 4:29
An Open Letter to Basil and Basil 6:11
Ivan the Great (Ivan III) Expands Moscow's Power 6:58
Ivan the Terrible (Ivan IV) 7:45
Credits 10:10

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In which John Green teaches you about the early days of the Civil Rights movement. By way of providing context for this, John also talks a bit about wider America in the 1950s. The 1950s are a deeply nostalgic period for many Americans, but there is more than a little idealizing going on here. The 1950s were a time of economic expansion, new technologies, and a growing middle class. America was becoming a suburban nation thanks to cookie-cutter housing developments like the Levittowns. While the white working-class saw their wages and status improve, the proverbial rising tide wasn't lifting all proverbial ships. A lot of people were excluded from the prosperity of the 1950s. Segregation in housing and education made for some serious inequality for African Americans. As a result, the Civil Rights movement was born. John will talk about the early careers of Martin Luther King, Thurgood Marshall, Rosa Parks, and even Earl Warren. He'll teach you about Brown v Board of Education, the lesser-known Mendez vs Westminster, the Montgomery Bus Boycott, and all kinds of other stuff.

Hey teachers and students - Check out CommonLit's free collection of reading passages and curriculum resources to learn more about the events of this episode. The Civil Rights Movement gained national attention with the murder of Emmett Till in 1955: https://www.commonlit.org/texts/emmett-till
That same year, Rosa Parks refused to give up her seat on a Montgomery bus, beginning the Montgomery bus boycott: https://www.commonlit.org/text....s/rosa-parks-and-the
A young preacher named Martin Luther King Jr. gained national fame rallying support for the Montgomery bus boycott: https://www.commonlit.org/text....s/martin-luther-king
The end of segregation also began in the South with the Showdown in Little Rock in 1957: https://www.commonlit.org/text....s/showdown-in-little

Want to learn more about the Civil Rights movement? Check out these videos from Crash Course Black American History:
School Segregation and Brown v Board (#33): https://www.youtube.com/watch?v=NBlqcAEv4nk
Emmett Till (#34): https://www.youtube.com/watch?v=4HljsKwpv3g
The Montgomery Bus Boycott (#35): https://www.youtube.com/watch?v=ylOpide9dus
Martin Luther King, Jr (#36): https://www.youtube.com/watch?v=BmeUT7zH62E
---Crash Course Black American History will be uploading new videos through 2022!---

Chapters:
Introduction: The 1950s 00:00
The American Suburbs 2:01
The "Era of Consensus" 3:05
Segregation 4:10
Desegregating Schools 5:18
Mystery Document 6:50
The Aftermath of Brown vs. Board of Education 7:50
Rosa Parks & the Montgomery Bus Boycotts 8:29
Martin Luther King, Jr. 9:32
The Little Rock Nine 9:54
The Emergence of the Civil Rights Movement 10:30
Credits 11:25


Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse

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Hank introduces us to biogeochemical cycles by describing his two favorites: carbon and water. The hydrologic cycle describes how water moves on, above, and below the surface of the Earth, driven by energy supplied by the sun and wind. The carbon cycle does the same... for carbon!

Table of Contents
1) Hydrologic Cycle - 1:15
A) Clouds - 2:13
B) Runoff - 3:06
C) Oceans - 3:41
D) Evapotranspiration - 4:25

2) Carbon Cycle - 5:12
A) Plants - 5:48
B) Fossil Fuels - 6:40
C) Oceans - 7:12
D) Global Warming - 7:35


References
http://ga.water.usgs.gov/edu/w....atercyclecondensatio
http://harvardmagazine.com/200....2/11/the-ocean-carbo
http://www.visionlearning.com/....library/module_viewe

Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse

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Geometric probabilities, and probabilities in general, allow us to guess how long we'll have to wait for something to happen. Today, we'll discuss how they can be used to figure out how many Bertie Bott's Every Flavour Beans you could eat before getting the dreaded vomit flavored bean, and how they can help us make decisions when there is a little uncertainty - like getting a Pikachu in a pack of Pokémon Cards! We'll finish off this unit on probability by taking a closer look at the Birthday Paradox (or birthday problem) which asks the question: how many people do you think need to be in a room for there to likely be a shared birthday? (It's likely much fewer than you would expect!)

Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse

Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever:

Mark Brouwer, Glenn Elliott, Justin Zingsheim, Jessica Wode, Eric Prestemon, Kathrin Benoit, Tom Trval, Jason Saslow, Nathan Taylor, Divonne Holmes à Court, Brian Thomas Gossett, Khaled El Shalakany, Indika Siriwardena, SR Foxley, Sam Ferguson, Yasenia Cruz, Eric Koslow, Caleb Weeks, Tim Curwick, Evren Türkmenoğlu, D.A. Noe, Shawn Arnold, mark austin, Ruth Perez, Malcolm Callis, Ken Penttinen, Advait Shinde, Cody Carpenter, Annamaria Herrera, William McGraw, Bader AlGhamdi, Vaso, Melissa Briski, Joey Quek, Andrei Krishkevich, Rachel Bright, Alex S, Mayumi Maeda, Kathy & Tim Philip, Montather, Jirat, Eric Kitchen, Moritz Schmidt, Ian Dundore, Chris Peters, Sandra Aft, Steve Marshall
--

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In order to understand how we study the universe, we need to talk a little bit about light. Light is a form of energy. Its wavelength tells us its energy and color. Spectroscopy allows us to analyze those colors and determine an object’s temperature, density, spin, motion, and chemical composition.

Check out the Crash Course Astronomy solar system poster here: http://store.dftba.com/product....s/crashcourse-astron

--

Chapters:
Introduction 00:00
Light is a Wave 0:31
Electromagnetic Spectrum 1:32
How is Light Made? 3:19
Atomic Structure 4:47
Spectroscopy 7:14
Redshift vs Blueshift 8:26
Review 9:50

--

PBS Digital Studios: http://youtube.com/pbsdigitalstudios

Follow Phil on Twitter: https://twitter.com/badastronomer

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--

PHOTOS/VIDEOS
Wavelengths http://imagine.gsfc.nasa.gov/e....ducators/gammaraybur [credit: Imagine the Universe! / NASA]
Observatories across spectrum http://imagine.gsfc.nasa.gov/I....mages/science/observ [credit: Imagine the Universe! / NASA]
Red hot spiral hotplate http://freefoodphotos.com/imag....elibrary/cooking/sli [credit: freefoodphotos.com]
The Crab Nebula http://en.wikipedia.org/wiki/N....ebula#/media/File:Cr [credit: NASA, ESA, J. Hester and A. Loll (Arizona State University)]
Building the Space Telescope Imaging Spectograph http://imgsrc.hubblesite.org/h....u/gallery/db/spacecr [credit: NASA]
VST images the Lagoon Nebula http://en.wikipedia.org/wiki/L....agoon_Nebula#/media/ [credit: ESO/VPHAS+ team]
Jupiter http://www.nasa.gov/images/con....tent/414987main_pia0 [credit: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute]
Venus http://en.wikipedia.org/wiki/A....tmosphere_of_Venus#/ [credit: NASA - NSSDC Photo Gallery Venus]
Ring Around SN 1987a, image 1 http://www.spacetelescope.org/images/opo9714e/ [credit: Jason Pun (NOAO) and SINS Collaboration]
Ring Around SN 1987a, image 2 http://www.spacetelescope.org/images/opo9714a/ [credit: George Sonneborn (GSFC) and NASA/ESA]

How can Daenerys Targaryen help us understand personal identity? Find out as Hank continues our exploration of personal identity, learning about Hume’s bundle theory and Parfit’s theory of survival through psychological connectedness.

--

Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios

Crash Course Philosophy is sponsored by Squarespace.
http://www.squarespace.com/crashcourse

--

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CC Kids: http://www.youtube.com/crashcoursekids

In this REALLY IMPORTANT EPISODE of Crash Course Psychology, Hank talks about how we remember and forget things, why our memories are fallible, and the dangers that can pose.

Want more videos about psychology? Check out our sister channel SciShow Psych at https://www.youtube.com/scishowpsych!

--
Chapters:
Introduction: The Banana Thief 00:00
How Memories are Stored 1:12
Memory Retrieval Cues 1:58
Priming & Context-Dependent Memory 2:45
State-Dependent & Mood-Congruent Memory 3:31
Serial Position, Primacy, & Recency Effects 3:52
How Information is Forgotten 4:43
Interference & Misinformation 6:21
Issues with Eyewitness Accounts 7:02
Review & Credits 9:25
--

Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse

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It is now time to meet the system that helps your brain stay in touch with the outside world. We follow up last week's tour of the central nervous system with a look at your peripheral nervous system, its afferent and efferent divisions, how it processes information, the reflex arc, and what your brain has to say about pain.

Pssst... we made flashcards to help you review the content in this episode! Find them on the free Crash Course App!
Download it here for Apple Devices: https://apple.co/3d4eyZo
Download it here for Android Devices: https://bit.ly/2SrDulJ

Chapters:
Introduction: Peripheral Nervous System 00:00
Sensory Nerve Receptors: Thermoreceptors, Photoreceptors, Chemoreceptors, Mechanoreceptors, and Nociceptors 0:56
What is Pain? 1:54
How Pain is Processed 2:51
Pain Threshold vs Pain Tolerance 3:50
How the Brain Processes Pain 4:25
Afferent and Efferent Divisions 5:42
Five Steps of the Reflex Arc 6:38
What the Brain Says About Pain 8:09
Review 9:09
Credits 9:39

***

Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse

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***SUPPORTER THANK YOU!***

Thank you so much to all of our awesome supporters for their contributions to help make Crash Course possible and freely available for everyone forever:

Dan Rajan
Josh Greenberg @wordlessrage
Tanmay Sheth
Chriztopher North
Teodora Miclaus
Jessica Baker
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Moti Lieberman
Leanne Gover
www.justplainsomething.com

The first step in honing your new study skills is to take better notes. This week Thomas will tell you everything you need to know to come to class prepared and find a note-taking system that will help you retain and review like a champ.

Crash Course is made with Adobe Creative Cloud. Get a free trial here: https://www.adobe.com/creative....cloud/catalog/deskto

Resources:

Study on computer vs. paper note-taking: http://journals.sagepub.com/do....i/pdf/10.1177/095679
Evernote: https://evernote.com/
OneNote: https://www.onenote.com/
Dropbox Paper: https://paper.dropbox.com
Coggle (mind-mapping tool): https://coggle.it/


***

Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse

Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever:

Mark, Les Aker, Bob Kunz, Mark Austin, William McGraw, Jeffrey Thompson, Ruth Perez, Jason A Saslow, D.A. Noe, Shawn Arnold, Eric Prestemon, Malcolm Callis, Advait Shinde, Rachel Bright, Khaled El Shalakany, Ian Dundore, Tim Curwick, Ken Penttinen, Dominic Dos Santos, Indika Siriwardena, Caleb Weeks, Kathrin Janßen, Nathan Taylor, Andrei Krishkevich, Brian Thomas Gossett, Chris Peters, Kathy & Tim Philip, Mayumi Maeda, Eric Kitchen, SR Foxley, Tom Trval, Cami Wilson, Moritz Schmidt, Jessica Wode, Daniel Baulig, Jirat
--

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Educational video for kids to learn about the different types of tools. In this second of three videos, children will learn what a flashlight, pilers, mallet, working gloves, shovel, paintbrush, box cutter, plunger, safety goggles and tool belt are. Excellent resource for early childhood education.

Thanks for visiting us! If you want your children to smile and learn, subscribe! :D

We only upload our own content, designed by educators so that children smile and learn while watching a video.

All of our content reinforces educational values, encouraging the use of multiple intelligences and language learning.

If you like our videos, download Smile and Learn now. You’ll discover thousands of activities for children aged 3 to 12 yeards, all designed by educators. We have hundreds of games, interactive stories and videos in five languages: English, Spanish, Portuguese, Italian and French. Try a month for free and start the adventure!

Educational video for children to learn about many things related to cooking. This compilation includes videos of kitchen-related verbs, utensils, objects, kitchen furniture, fun family recipes such as tiramisu or a watermelon smoothie and even a story to teach you about the importance of teamwork.

This is an excellent resource for early childhood education and the early elementary school.

Thanks for visiting us! If you want your children to smile and learn, subscribe! :D

If you like our videos, download Smile and Learn now. You’ll discover thousands of activities for children aged 3 to 12 yeards, all designed by educators. We have hundreds of games, interactive stories and videos in five languages: English, Spanish, Portuguese, Italian, Turkish and French. Try a month for free and start the adventure!

www.smileandlearn.com

This video presents a new and delicious recipe from Italy: the well known dessert called: Tiramisu. You only need chocolate, coffee, mascarpone cheese, eggs and some biscuits. It's perfect for cooking it together as a family!

This video belongs to a collection of videos that teaches children about cooking and healthy eating.

Thanks for visiting us! If you want your children to smile and learn, subscribe! :D

We only upload our own content, designed by educators so that children smile and learn while watching a video.

All of our content reinforces educational values, encouraging the use of multiple intelligences and language learning.

If you like our videos, download “The Smart Library” now. You’ll discover more than 70 interactive games and stories for children designed by educators. The stories are based on VALUES like friendship, respect, and generosity, and our games cover all of the MULTIPLE INTELLIGENCES. All our content is in SPANISH, ENGLISH, FRENCH, ITALIAN and PORTUGUESE.

The perfect tool to use in and out of school.

Download it today!

-Apple Store: https://itunes.apple.com/us/ap....p/smart-edutainment-

-Google Play: https://play.google.com/store/....apps/details?id=net.

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Thank you for trusting us with your children's education!

This story is about telling the truth and explains to kids that lies can be dangerous for everyone. In the anthill, there is an ant that doesn’t tell the truth and this causes a big problem for everyone.

Thanks for visiting us! If you want your children to smile and learn, subscribe! :D


Why is it good for children to see Smile and Learn’s videos?

+We only upload our own content, designed by educators so that children smile and learn while watching a video.

+All of our content reinforces educational values, encouraging the use of multiple intelligences and language learning.

*If you like our videos, download “The Smart Library” now. You’ll discover more than 30 interactive games and stories for children designed by educators. The stories are based on VALUES like friendship, respect, and generosity, and our games cover all of the MULTIPLE INTELLIGENCES. All our content is in SPANISH, ENGLISH, and FRENCH.

The perfect tool to use in and out of school.

Download it today!

-Apple Store: http://bit.ly/Biblioteca_Intel....igente_SmileandLearn

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For more information, visit our website: https://smileandlearn.net/

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The Earth is surrounded by the atmosphere, a thin gaseous layer that allows some of the sun's radiation to penetrate. To this effect, the atmosphere has greenhouse gases, whose mission is to absorb part of the sun's energy and maintain the temperature of the planet. One of the main greenhouse gases is CO2 or carbon dioxide.

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If you like our videos, download Smile and Learn now. You’ll discover thousands of activities for children aged 3 to 12 years, all designed by educators. We have hundreds of games, interactive stories and videos in five languages: English, Spanish, Portuguese, Italian, Turkish and French. Try a month for free and start the adventure!

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ALGEBRA | Addition and subtraction of algebraic fractions
#maths #mathematics #changeofsubject #mathproblems #mathinaminute #solvemath #bece #mathmemes #school #memes #mathslesson #mathstuition #viral #viralvideo #viralshort #views_viral_video_subscribers_grow #geocan #geocaneducationalchannel #moots #geocantv #foryou #fyp #fyoupage #fyou #monica #bloodvessel #movie

This video shows basic operation of CASIO ClassWiz for Signed Numbers.

[Compatible models ] fx-82EX, fx-350EX, fx-570EX, fx-991EX
[Related Topics] Pre Algebra, Signed Numbers

ClassWiz is New Classroom Standard With High-resolution LCD Technology Non-programmable Scientific Calculator.

For more How To Video or User's Guide: http://edu.casio.com/support/

#srinivas ramanujan math problems

Hello Friends, Welcome To Maths-Logic in Telugu !!!

Addition of Fraction by LCM method || Adding Fractions with Common and Different Denominators

Cover Topic :-
1. Addition of Fraction
2. Adding fractions
3. Addition of Fraction by LCM method
4. Adding Fractions with Common Denominators
5. Adding Fractions with Different Denominators
6. Addition of unlike fractions
7. Add Fractions With Unlike Denominators
8. Adding three fractions
9. Fraction Based simplification

➤ If you are interested S U B S C R I B E !!! and share my videos with your Friends...
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✿ Note: If you have any problem please share with me in comment and ask questions me in which you have doubt.

#mathslogicintelugu #fractions #additionoffraction #AdditionofFractionbyLCMmethod #Additionofunlikefractions #howtoaddfractions #addfractions

fractions with different denominators | how to solve mixed fractions addition | Subtraction | fraction to lowest terms | Form | fractions class 6 | 7 | NCERT





Sir Shahid Mathematics Videos

https://www.youtube.com/playli....st?list=PLEu4go873sk





#fractionaddition
#fractionsubtract
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How do you solve word problems with #fractions?
Let's talk about that in this new #MathMondays video.

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Equation Construction: https://youtu.be/WU-M1RyY00Q

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