Search Results: "studying exams: crash study skills"
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09:14
LARP: Crash Course Games #26
466 views / 0 likes - addedToday we’re going to talk about LARPs or live action role-playing games. Larping tends to conjure up the image of a bunch of nerds hitting each other with foam weapons but it’s much more than that. LARPs merge performance, community, and art in a way that
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07:36 Popular
How Voters Decide: Crash Course Government And Politics #38
732 views / 0 likes - addedSo today, Craig is going to try to get inside the heads of voters by discussing how voters make decisions. Now obviously, like all decision making, voter decisions are influenced by a multitude of factors, but the three we are going to focus on today (and
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10:52 Popular
Orbitals: Crash Course Chemistry #25
893 views / 0 likes - addedIn this episode of Crash Course Chemistry, Hank discusses what Molecules actually look like and why, some quantum-mechanical three dimensional wave functions are explored, he touches on hybridization, and delves into sigma and pi bonds. -- Table of Conten
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14:04 Popular
Money&Debt: Crash Course World History 202
915 views / 0 likes - addedIn which John Green teaches about filthy, filthy lucre. Money. And Debt. So, what is money? And what is it for? And why do we use money? And why does it all disappear so quickly after payday? John will look into 75% of these questions, and if he doesn't c
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11:19
The Cold War and Consumerism: Crash Course Computer Science #24
592 views / 0 likes - addedToday we’re going to step back from hardware and software, and take a closer look at how the backdrop of the cold war and space race and the rise of consumerism and globalization brought us from huge, expensive codebreaking machines in the 1940s to afford
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05:10 Popular
Spaced Out: Crash Course Kids #25.1
759 views / 2 likes - addedSo... how big is the Universe? It's big... really big... no, bigger than that... it's big. In this episode of Crash Course Kids, Sabrina gives us some perspective on this whole Universe thing and how we fit into it. Watch More Crash Course Kids: https://w
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11:38 Popular
The Central Processing Unit (CPU): Crash Course Computer Science #7
1,141 views / 0 likes - addedTake the 2017 PBS Digital Studios Survey: http://surveymonkey.com/r/pbsds2017. Today we’re going to build the ticking heart of every computer - the Central Processing Unit or CPU. The CPU’s job is to execute the programs we know and love - you know like G
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09:28 Popular
Stock Market Crash of 1929: The Great Depression
934 views / 1 likes - addedHistory and lessons from the 1929 stock market crash.
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11:32 Popular
OCD&Anxiety Disorders: Crash Course Psychology #29
905 views / 0 likes - addedYou can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
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10:54 Popular
Intro to Psychology - Crash Course Psychology #1
1,014 views / 0 likes - addedYou can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
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09:20 Popular
Lymphatic System: Crash Course A&P #44
1,691 views / 0 likes - addedToday Hank explains your unsung lymphatic system and how it supports cardiovascular function by collecting, filtering, and returning interstitial fluid back into the bloodstream via a system of lymphatic vessels. He also explains the system’s major role i
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12:59 Popular
The End of Civilization (In the Bronze Age): Crash Course World History 211
873 views / 1 likes - addedIn which John Green teaches you about the Bronze Age civilization in what we today call the middle east, and how the vast, interconnected civilization that encompassed Egypt, The Levant, and Mesopotamia came to an end. What's that you say? There was no su
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18:39
Learning 24 Skills in 24 Hours
65 views / 0 likes - addedPatreon: https://www.patreon.com/MikeshakeInstagram: https://www.instagram.com/mikeshaketvTwitter: https://twitter.com/MikeshakeYTSubscribe for new videos about building and testing powerful things Hall of the Mountain King by Kevin MacLeod is licensed un
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12:07
Einstein's Revolution: Crash Course History of Science #32
338 views / 0 likes - addedThere was physics before Einstein in the same way that there was biology before Darwin. Einstein didnt just add some new ideas to physics. And he didnt just add a unifying framework for doing physics, like Newton. Einstein took what people thought was phy
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11:04
Why Star Stuff Matters: Crash Course Big History 202
578 views / 0 likes - addedSo, the stars made the elements, we're all made of star stuff, etc. But what does all this mean? This week Emily Graslie teaches you how the formation of chemical elements in the bellies of the earliest stars made life as we know it possible. Namely, we'l
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12:05
You Know I'm All About that Bayes: Crash Course Statistics #24
366 views / 0 likes - addedToday were going to talk about Bayes Theorem and Bayesian hypothesis testing. Bayesian methods like these are different from how we've been approaching statistics so far, because they allow us to update our beliefs as we gather new information - which is
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12:29
Training Neural Networks: Crash Course AI #4
315 views / 0 likes - addedToday were going to talk about how neurons in a neural network learn by getting their math adjusted, called backpropagation, and how we can optimize networks by finding the best combinations of weights to minimize error. Then well send John Green Bot into
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12:17
Why Early Globalization Matters: Crash Course Big History #206
623 views / 0 likes - addedGlobalization has been in process for centuries, and has had a huge effect on Big History, and on Collective Learning. This week, Emily is investigating early globalization through three things that moved around the world and shaped collective learning in
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09:51 Popular
Patents, Novelty, And Trolls: Crash Course Intellectual Property #4
1,417 views / 0 likes - addedThis week, Stan teaches you about patents. It turns out, they're patently complicated! So, patents have some similarity to copyright, in that they grant a limited monopoly to people who invent things. The key difference in patents and copyright is that pa
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04:16 Popular
The Basics Of Freshwater: Crash Course Kids 14.1
1,983 views / 6 likes - addedWe have a lot of water on Earth, but we also can't actually drink much of it... or use it for farming. That's because most of the water on Earth is saltwater. We humans, like a lot of living things, need freshwater to survive. In this episode of Crash Cou
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15:07 Popular
Luther and the Protestant Reformation: Crash Course World History #218
1,009 views / 4 likes - addedIn which John Green teaches you about the Protestant Reformation. Prior to the Protestant Reformation, pretty much everyone in Europe was a Roman Catholic. Not to get all great man, but Martin Luther changed all that. Martin Luther didn't like the corrupt
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12:02
The Olympics, FIFA, and why we love sports: Crash Course Games #17
625 views / 1 likes - addedToday, John Green is going to be your substitute teacher as we dive into the world of sports! Now “sports” is a pretty broad genre of game, we probably couldn’t even cover them in an entire series, but today we’re going to do our best to look at the origi
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10:01 Popular
Utilitarianism: Crash Course Philosophy #36
1,116 views / 1 likes - addedOur next stop in our tour of the ethical lay of the land is utilitarianism. With a little help from Batman, Hank explains the principle of utility, and the difference between act and rule utilitarianism. Get your own Crash Course Philosophy mug or Chom Ch
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03:49 Popular
Constellation Location: Crash Course Kids #31.2
949 views / 2 likes - addedLet's say you're looking for a specific constellation in the sky, but can't find it? That could be because you're on the wrong part of the planet to see it. In this episode of Crash Course Kids, Sabrina talks about how the Earth's rotation and axis can af
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12:48 Popular
Compression: Crash Course Computer Science #21
1,396 views / 0 likes - addedGet your first two months of CuriosityStream free by going to http://curiositystream.com/crashcourse and using the promo code “crashcourse”. So last episode we talked about some basic file formats, but what we didn’t talk about is compression. Often files
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11:30 Popular
Why Human Evolution Matters: Crash Course Big History 204
709 views / 0 likes - addedThis week on Crash Course Big History, Emily is talking about process of human evolution, and the knack for innovation that has allowed humans to become so dominant on the Earth. Human innovation, and the ability to build on those innovations generation a
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09:22 Popular
Respiratory System, Part 1: Crash Course A&P #31
1,255 views / 2 likes - addedSo we all know that breathing is pretty important, right? Today we're going to talk about how it works, starting with the nameless evolutionary ancestor that we inherited this from, and continuing to the mechanics of both simple diffusion and bulk flow, a
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10:57 Popular
Equilibrium: Crash Course Chemistry #28
1,195 views / 0 likes - addedIn this episode of Crash Course Chemistry, Hank goes over the ideas of keeping your life balance... well, your chemical life. Equilibrium is all about balance and today Hank discusses Chemical Equilibrium, Concentration, Temperature, and Pressure. Also, h
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05:00 Popular
H2O-NO! - Fresh Water Problems: Crash Course Kids #33.1
1,106 views / 2 likes - addedWhat happens to a single ecosystem when the amount of freshwater available in it changes? Not really much good. In this episode of Crash Course Kids, Sabrina talks about ecosystems and how one small change can lead to a cascade effect in the entire ecosys
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03:45 Popular
Measurement Mystery: Crash Course Kids #9.2
1,060 views / 0 likes - addedSo now that we know what Properties are, how can we use them to figure things out? In this episode of Crash Course Kids, Sabrina uses them to solve the mystery of what she tripped over last night. This first series is based on 5th grade science. We're sup
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12:41
3D Graphics: Crash Course Computer Science #27
677 views / 0 likes - addedToday we’re going to discuss how 3D graphics are created and then rendered for a 2D screen. From polygon count and meshes, to lighting and texturing, there are a lot of considerations in building the 3D objects we see in our movies and video games, but th
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12:59
Graphical User Interfaces: Crash Course Computer Science #26
662 views / 0 likes - addedToday, we're going to discuss the critical role graphical user interfaces, or GUIs played in the adoption of computers. Before the mid 1980's the most common way people could interact with their devices was through command line interfaces, which though ef
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12:51
Big Data Problems: Crash Course Statistics #39
425 views / 0 likes - addedThere is a lot of excitement around the field of Big Data, but today we want to take a moment to look at some of the problems it creates. From questions of bias and transparency to privacy and security concerns, there is still a lot to be done to manage t
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14:25
World War II Civilians and Soldiers: Crash Course European History #39
427 views / 0 likes - addedOur look at World War II continues with a closer examination of just how the war impacted soldiers in the field, and the people at home. For many of the combatants, the homefront and the warfront were one and the same. The war disrupted life for millions
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04:33 Popular
Weather Vs. Climate: Crash Course Kids #28.1
2,313 views / 5 likes - addedSo we have Weather and Climate... but are they the same thing? No, no they are not. But they are both super important to how the geosphere is shaped. In this episode of Crash Course Kids, Sabrina chats with us about the differences between Weather and Cli
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08:54 Popular
Existentialism: Crash Course Philosophy #16
807 views / 0 likes - addedNow that we’ve left behind the philosophy of religion, it’s time to start exploring what other ways might exist to find meaning in the world. Today we explore essentialism and its response: existentialism. We’ll also learn about Jean-Paul Sartre and his i
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03:43 Popular
What On Earth: Crash Course Kids #10.1
1,306 views / 2 likes - addedWe've already talked about how the Earth is divided into four spheres (The Hydrosphere, the Biosphere, the Geosphere, and the Atmosphere). But, how do these different sphere interact with each other? In this episode of Crash Course Kids, Sabrina chats wit
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10:24 Popular
Digestive System, Part 3: Crash Course A&P #35
932 views / 1 likes - addedNachos are great...if you are among the lucky ones whose body can digest them. When digestion goes according to plan, the small intestine performs most of your chemical digestion in the duodenum, while accessory organs including the liver, gallbladder, an
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11:27 Popular
The Normal Distribution: Crash Course Statistics #19
1,168 views / 0 likes - addedToday is the day we finally talk about the normal distribution! The normal distribution is incredibly important in statistics because distributions of means are normally distributed even if populations aren't. We'll get into why this is so - due to the Ce
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13:35 Popular
The Cold War: Crash Course US History #37
927 views / 3 likes - addedCrash Course World History is now available on DVD! Visit http://dft.ba/-CCWHDVD to buy a set for your home or classroom. You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything
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14:28
1984 by George Orwell, Part 1: Crash Course Literature 401
615 views / 1 likes - addedIn which John Green returns for a dystopian new season of Crash Course Literature! We're starting with George Orwell's classic look at the totalitarian state that could be in post-war England. Winston Smith is under the eye of Big Brother, and making us t
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09:55 Popular
Work, Energy, And Power: Crash Course Physics #9
1,383 views / 0 likes - addedWhen you hear the word, "Work," what is the first thing you think of? Maybe sitting at a desk? Maybe plowing a field? Maybe working out? Work is a word that has a little bit of a different meaning in Physics and today, Shini is going to walk us through it
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11:31
Precipitation Reactions: Crash Course Chemistry #9
674 views / 0 likes - addedA lot of ionic compounds dissolve in water, dissociating into individual ions. But when two ions find each other that form an insoluble compound, they suddenly fall out of solution in what's called a precipitation reaction. In this episode of Crash Course
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09:32
Contractarianism: Crash Course Philosophy #37
673 views / 0 likes - addedToday we explore the penultimate ethical theory in this unit: contractarianism. Hank explains Hobbes’ state of nature, and implicit and explicit contracts, as well as the Prisoner’s Dilemma, and the benefits, and costs, of violating contracts. Get your ow
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10:56
Unsupervised Machine Learning: Crash Course Statistics #37
335 views / 0 likes - addedToday we're going to discuss how machine learning can be used to group and label information even if those labels don't exist. We'll explore two types of clustering used in Unsupervised Machine Learning: k-means and Hierarchical clustering, and show how t
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09:26 Popular
Artificial Intelligence & Personhood: Crash Course Philosophy #23
744 views / 0 likes - addedToday Hank explores artificial intelligence, including weak AI and strong AI, and the various ways that thinkers have tried to define strong AI including the Turing Test, and John Searle’s response to the Turing Test, the Chinese Room. Hank also tries to
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04:37 Popular
Material World: Crash Course Kids #40.1
1,448 views / 0 likes - addedSo, we know what materials are, but can we make new materials? Or improve the materials we already have? In this episode of Crash Course Kids, Sabrina shows us how Material Scientists are working on these two things today. Also, your cell phone holds the
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10:04 Popular
The Problem Of Evil: Crash Course Philosophy #13
728 views / 0 likes - addedAfter weeks of exploring the existence of nature of god, today Hank explores one of the biggest problems in theism, and possibly the biggest philosophical question humanity faces: why is there evil? -- Images and video via VideoBlocks or Wikimedia Commons
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11:38 Popular
Bonding Models and Lewis Structures: Crash Course Chemistry #24
713 views / 0 likes - addedModels are great, except they're also usually inaccurate. In this episode of Crash Course Chemistry, Hank discusses why we need models in the world and how we can learn from them... even when they're almost completely wrong. Plus, Lewis Structures! -- Tab
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05:10 Popular
Glow On: Crash Course Kids #20.2
1,077 views / 3 likes - addedSo, have you ever wondered why some stars are brighter than others? You might think it's because they're closer to us, but that's not the whole story? In this episode of Crash Course Kids, Sabrina chats about how stars glow and how astronomers judge their
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10:17 Popular
Parasympathetic Nervous System: Crash Course A&P #15
1,130 views / 1 likes - addedThis week we are looking at your parasympathetic division, which is the "resting and digesting" unit. Unfortunately, learning about this de-stressing division also involves a whole lot of memorization. Don't worry, though - we've got some mnemonic devices
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15:23
Supervised Learning: Crash Course AI #2
318 views / 0 likes - addedToday were going to teach John Green Bot how to tell the difference between donuts and bagels using supervised learning! Supervised learning is the process of learning WITH training labels, and is the most widely used kind of learning with it comes to AI
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03:25 Popular
Fabulous Food Chains: Crash Course Kids #7.1
1,441 views / 4 likes - addedEveryone eats, right? But how does that food get the energy to power you? In this episode of Crash Course Kids, Sabrina talks about the way energy moves, or flows, through an ecosystem and how that movement forms Food Chains! This first series is based on
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04:59 Popular
Super Stars (Constellations): Crash Course Kids #31.1
1,291 views / 0 likes - addedSo, you know about stars. But what if those stars formed a super group like The Avengers? Well, then you have a Constellation! In this episode of Crash Course Kids, Sabrina chats about stars, constellations, and how humans have used constellations to tell
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Algorithmic Bias and Fairness: Crash Course AI #18
283 views / 1 likes - addedCheck out my collab with "Above the Noise" about Deepfakes: https://www.youtube.com/watch?v=Ro8b69VeL9UToday, we're going to talk about five common types of algorithmic bias we should pay attention to: data that reflects existing biases, unbalanced classe
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11:08 Popular
Measuring Personality: Crash Course Psychology #22
1,043 views / 1 likes - addedYou can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
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03:33 Popular
Danger! Falling Objects: Crash Course Kids #32.1
1,318 views / 1 likes - addedSo, what would happen if you dropped a hammer and a feather at the same time, from the same height? Well, the hammer would hit the ground first, right? But why? You might think it's because the hammer is heavier, or has more mass than the feather. But it'
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Vectors And 2D Motion: Crash Course Physics #4
651 views / 0 likes - addedContinuing in our journey of understanding motion, direction, and velocity... today, Shini introduces the ideas of Vectors and Scalars so we can better understand how to figure out motion in 2 Dimensions. But what does that have to do with baseball? Or tw
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11:48
Marie Curie and Spooky Rays: Crash Course History of Science #31
636 views / 3 likes - addedIt's time to talk about one of the most awesome scientists that has ever been awesome: Marie Curie. She figured out ways to get an amazing education despite the limitations of her homeland, discovered some really important answers to the question "what is
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04:33 Popular
Look Who's Talking: Crash Course Kids #27.2
932 views / 0 likes - addedPlants! We absolutely depend on them. Oxygen, food, and looking super nice to boot! But, plants have a lot more going on than meets the eye. How do we know that? Investigations and Experimentations! Watch More Crash Course Kids: https://www.youtube.com/us
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What's Matter? - Crash Course Kids #3.1
3,115 views / 12 likes - addedHey... what's matter? No no no, not what's THE matter. What's MATTER? In this episode of Crash Course Kids, Sabrina talks about what matter is and the three states of matter: Solid, Liquid, and Gas. She also does a quick experiment that you can do at home
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10:18 Popular
How To Argue - Induction & Abduction: Crash Course Philosophy #3
812 views / 1 likes - addedWe continue our look at philosophical reasoning by introducing two more types: induction and abduction. Hank explains their strengths and weaknesses, as well as counterarguments and the Socratic method. -- Images and video via VideoBlocks or Wikimedia Com
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10:02 Popular
Ecological Succession: Change Is Good - Crash Course Ecology #6
1,996 views / 0 likes - addedIn the world of ecology, the only constant is change - but change can be good. Today Hank explains ecological succession and how ecological communities change over time to become beautiful, biodiverse mosaics. Like Crash Course on Facebook! http://www.fac
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06:36
Congressional Decisions: Crash Course Government and Politics #10
641 views / 0 likes - addedThis week Craig breaks out the crystal ball to try and figure out why our congresspeople do the things that they do. We’ll talk about the three motivating factors of congressional decisions - constituency, interest groups, and political parties - and we’l
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09:26 Popular
Aesthetic Appreciation: Crash Course Philosophy #30
789 views / 0 likes - addedToday we are talking about art and aesthetic appreciation. What makes something an artwork? Can art really be defined? Is aesthetic value is objective or subjective? Can taste be developed? How? Get your own Crash Course Philosophy mug or Chom Chom shirt
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08:54
MMORPGs - Crash Course Games #12
615 views / 0 likes - addedSo we ended the last episode with casual gaming and a more connected gaming community, but these connected communities started much before smartphones and Facebook. Today, we’re going to talk about MMORPGs - or Massively Multiplayer Online Role Playing Ga
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11:25
The 2008 Financial Crisis: Crash Course Economics #12
646 views / 0 likes - addedToday on Crash Course Economics, Adriene and Jacob talk about the 2008 financial crisis and the US Goverment's response to the troubles. So, all this starts with home mortgages, and the use of mortgages as an investment instrument. For years, it seemed li
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12:30
Cybersecurity: Crash Course Computer Science #31
670 views / 0 likes - addedCybersecurity is a set of techniques to protect the secrecy, integrity, and availability of computer systems and data against threats. In today’s episode, we’re going to unpack these three goals and talk through some strategies we use like passwords, biom
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08:39
Grip and Electric: Crash Course Film Production #10
559 views / 0 likes - addedIt's time to look at some of the most under-sung heroes of the film world, Grip and Electric. Doing everything from setting up dollies and tripods, to helping the cinematographer shape the light with flags and silks, the Grips are there to make it work pr
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How To Argue - Philosophical Reasoning: Crash Course Philosophy #2
900 views / 0 likes - addedBefore we dive into the big questions of philosophy, you need to know how to argue properly. We’ll start with an overview of philosophical reasoning and breakdown of how deductive arguments work (and sometimes don’t work). -- Images and video via VideoBlo
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04:26 Popular
Severe Weather: Crash Course Kids #28.2
1,926 views / 5 likes - addedSo, what's the difference between "weather" and "severe weather"? Is it just how hard the wind is blowing? Is it just thunder and lighting? Well, it can be some or all of those things. In this episode of Crash Course Kids, Sabrina talks to us about what m
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03:33 Popular
Why No Polar Pineapples: Crash Course Kids #11.2
1,083 views / 0 likes - addedPlants are amazing. Really! Photosynthesis is an incredible thing. But it also means that some plants can't live everywhere. They need to get the right amount of sunlight for the right amount of time. In this episode of Crash Course Kids, Sabrina chats ab
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06:47 Popular
Introduction: Crash Course U.S. Government and Politics
823 views / 0 likes - addedIn which Craig Benzine introduces a brand new Crash Course about U.S. Government and Politics! This course will provide you with an overview of how the government of the United States is supposed to function, and we'll get into how it actually does functi
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11:14
Bayes in Science and Everyday Life: Crash Course Statistics #25
372 views / 0 likes - addedToday we're going to finish up our discussion of Bayesian inference by showing you how we can it be used for continuous data sets and be applied both in science and everyday life. From A/B testing of websites and getting a better understanding of psycholo
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04:04 Popular
Water Fight!: Crash Course Kids #36.1
1,532 views / 1 likes - addedSo, what happens when there's not enough water? Well... not good things. Do we let homes have more water for showering and cooking? Or do we let farms have the water for growing crops? There aren't any easy solutions, but today Sabrina chats with us about
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Intro to Big Data: Crash Course Statistics #38
413 views / 0 likes - addedToday, we're going to begin our discussion of Big Data. Everything from which videos we click (and how long we watch them) on YouTube to our likes on Facebook say a lot about us - and increasingly more and more sophisticated algorithms are being designed
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08:13 Popular
Interest Groups: Crash Course Government And Politics #42
749 views / 0 likes - addedToday, Craig is going to talk about something you fans out there have been demanding for months - money in politics. Specifically, we're going to talk about special interest groups and their role in the U.S. political system. Special interest groups are g
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13:29
Natural Language Processing: Crash Course AI #7
486 views / 0 likes - addedFor more information go to https://curiositystream.com/crashcourse So far in this series, we've mostly focused on how AI can interpret images, but one of the most common ways we interact with computers is through language - we type questions into search e
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04:00 Popular
Hunting For Properties: Crash Course Kids #9.1
800 views / 1 likes - addedRemember pre-school? If not, IT WAS SO MUCH EASIER! But when you were stacking blocks and figuring out which block went into which shaped hole, you were learning about properties. In this episode of Crash Course Kids, Sabrina talks about what properties a
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11:04 Popular
Liquids: Crash Course Chemistry #26
753 views / 1 likes - addedIn this episode of Crash Course Chemistry, Hank gives you the low down on things like London Dispersion Forces, Hydrogen Bonds, Cohesion, Adhesion, Viscosity, Capillary Action, Surface Tension, and why liquids are just... WEIRD! -- TABLE OF CONTENTS Londo
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10:08 Popular
Metabolism & Nutrition, Part 2: Crash Course Anatomy & Physiology #37
1,609 views / 0 likes - addedIf you're like us, you love the sound of a brunch buffet. But not everything you eat at that glorious buffet is going to be turned into energy. Your body has to work with different forms of food in different ways. In this episode of Crash Course Anatomy &
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07:25
Controlling Bureaucracies: Crash Course Government And Politics #17
650 views / 0 likes - addedIn which Craig Benzine tells you how we keep bureaucracy in check. So we've spent the last few episodes telling you all about what bureaucracies are and why they are formed. And throughout we've hinted about this ever-expanding power within the executive
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03:00 Popular
Vegetation Transformation: Crash Course Kids #5.2
1,110 views / 0 likes - addedHave you ever seen a magic trick where one thing changes to another thing? Well, that's nothing compared to what plants can do through a process called photosynthesis. In this episode, Sabrina talks about how photosynthesis works! This first series is bas
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11:42 Popular
Mythical Mountains: Crash Course World Mythology #33
933 views / 0 likes - addedOur mythical places series continues, and this week Mike Rugnetta is talking about some stories that revolve around mountains. Mountains loom large in human stories, not least because mountains are, well, large. So ascend with us to the lofty peaks of The
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04:06 Popular
Weathering And Erosion: Crash Course Kids #10.2
3,386 views / 10 likes - addedIn this episode of Crash Course Kids, Sabrina gives us a real world example of how the Hydrosphere and Geosphere affect each other in the form of Weathering and Erosion. Think of Weathering as the force that makes a mess and Erosion as the force that clea
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03:57 Popular
Seasons And The Sun: Crash Course Kids 11.1
2,263 views / 1 likes - addedUpdated with graphics fixed. Thanks for pointing that out! Ever wonder why we have seasons? A lot of people think it's because the Earth gets further away from the sun in winter, and closer in the summer. But, it's actually more interesting than that. In
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08:16
Pitching and Pre-Production: Crash Course Film Production #2
554 views / 0 likes - addedPitching your movie to people can be hard. A studio, a friend, your mom... each of these entities will have different stressed and give you different results. But, what's important in a pitch? And what happens after the pitch? How do you get your movie re
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12:18 Popular
Copyright Basics: Crash Course Intellectual Property 2
829 views / 0 likes - addedEPISODE DESCRIPTION This week, Stan Muller teaches you the basics of copyright in the United States. Copyright law is territorial, so we're going to cover the system we know the most about, and that's the US. Stan will talk about what kind of ideas can be
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04:26 Popular
Star Personalities: Crash Course Kids #25.2
751 views / 0 likes - addedDown here, on Earth, if you look up at the night sky, it seems like all the stars up there look the same. Or maybe at least similar. But, it turns out that stars are very different and we shouldn't stereotype them. Some are bigger, some burn through their
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14:22
Italian and German Unification: Crash Course European History #27
580 views / 0 likes - addedSo, we haven't talked much about Italy and Germany so far in Crash Course Euro, and that's because prior to the mid-19th century, those two nation-states weren't really a thing. Today we'll look at how Italy and Germany pulled it together in the second ha
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11:24
Keyboards & Command Line Interfaces: Crash Course Computer Science #22
694 views / 0 likes - addedToday, we are going to start our discussion on user experience. We've talked a lot in this series about how computers move data around within the computer, but not so much about our role in the process. So today, we're going to look at our earliest form o
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09:23
Political Parties: Crash Course Government And Politics #40
672 views / 1 likes - addedToday, Craig is going to talk about political parties and their role in American politics. So, when most people think about political parties they associate them with the common ideologies of the voters and representatives within that party, but the goal
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05:28 Popular
History of the 4th of July: Crash Course US History Special
835 views / 3 likes - addedIn which John Green teaches you a bit about the 4th of July. In this special short Crash Course, John celebrates American Independence Day by teaching you how the holiday came to be on the 4th of July, and the many ways that Americans celebrate the day. T
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Registers and RAM: Crash Course Computer Science #6
739 views / 0 likes - addedTake the 2017 PBS Digital Studios Survey: http://surveymonkey.com/r/pbsds2017. Today we’re going to create memory! Using the basic logic gates we discussed in episode 3 we can build a circuit that stores a single bit of information, and then through some
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12:17
Memory & Storage: Crash Course Computer Science #19
590 views / 0 likes - addedPre-order our limited edition Crash Course: Computer Science Floppy Disk Coasters here! https://store.dftba.com/products/computer-science-coasters So we’ve talked about computer memory a couple times in this series, but what we haven’t talked about is sto
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05:58
Types Of Bureaucracies: Crash Course Government And Politics #16
612 views / 0 likes - addedThis week Craig Benzine breaks down the different types of bureaucracies. I mean sure, they’re all part of the executive branch, but some work more directly with the president than others. Some bureaucracies exist solely to independently regulate industry
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10:16 Popular
Tissues, Part 2 - Epithelial Tissue: Crash Course A&P #3
1,553 views / 0 likes - added•••SUBBABLE MESSAGE••• TO : Phoebe and James McMullan FROM : Dad Continue being awesome Phoebe&James from John&Hank! *** You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything
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11:32
Screens & 2D Graphics: Crash Course Computer Science #23
591 views / 0 likes - addedToday we begin our discussion of computer graphics. So we ended last episode with the proliferation of command line (or text) interfaces, which sometimes used screens, but typically electronic typewriters or teletypes onto paper. But by the early 1960s a
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10:23 Popular
Respiratory System, Part 2: Crash Course A&P #32
1,174 views / 1 likes - addedCan a paper bag really help you when you are hyperventilating? It turns out that it can. In part 2 of our look at your respiratory system Hank explains how your blood cells exchange oxygen and CO2 to maintain homeostasis. We'll dive into partial pressure
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12:22
Why the Evolutionary Epic Matters: Crash Course Big History #203
448 views / 0 likes - addedToday we're talking about evolution–basically the history of all life on Earth. The thing is, why are we talking about this. Well, the story of life, all the way back to single celled microbes billions of years ago, is all part of our human story. An impo
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What Are Rocks and How Do They Form? Crash Course Geography #18
229 views / 0 likes - addedFrom towering mountains to pebbles along a river, the Earth is made of a huge variety of rocks. In today's episode, we're going to follow the rock cycle of a piece of granite in the Himalayan mountains, and as you'll see, every rock has a far-reaching sto
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09:13 Popular
Immune System, Part 1: Crash Course A&P #45
1,253 views / 2 likes - addedOur final episodes of Anatomy & Physiology explore the way your body keeps all that complex, intricate stuff alive and healthy -- your immune system. The immune system’s responses begin with physical barriers like skin and mucous membranes, and when they’
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09:36
Breaking the Silence: Crash Course Film History #10
559 views / 1 likes - addedNothing changed movies like the arrival of synchronous sound. NOTHING! Acting, directing, cinematography, and presentation all had to be rethought. Some studios were more quick to take on the challenge while others waited until the last moment. Some actor
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03:47 Popular
A Change Of Scenery: Crash Course Kids #17.2
4,441 views / 2 likes - addedThe world changes. It really does! But sometimes it changes so slowly that we don't notice it. Other times it changes REALLY FAST!!! In this episode of Crash Course Kids, Sabrina talks about some of the reasons things can change quickly or slowly. This fi
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11:05 Popular
Digestive System, Part 1: Crash Course A&P #33
1,809 views / 5 likes - addedNachos are delicious. And versatile because today they're also going to help us learn a thing or two about your digestive system. Nachos can provide us with energy and raw materials, by first ingesting something nutritious, propelling it through the alime
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14:20 Popular
The Reagan Revolution: Crash Course US History #43
1,181 views / 1 likes - addedYou can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Free is nice, but if you can afford to pay a little every month, it really helps us to continue producing th
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12:26
Robots: Crash Course Computer Science #37
605 views / 2 likes - addedToday we're going to talk about robots! Robots are often thought as a technology of the future, but they're already here by the millions in the workplace, our homes, and pretty soon on the roads. We'll discuss the origins of robotics to its proliferation,
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10:30 Popular
Taste&Smell: Crash Course A&P #16
986 views / 0 likes - addedHank resists the urge to devour a slice of pizza so that he can walk you through the way we experience our major special senses. It all boils down to one thing: sensory cells translating chemical, electromagnetic, and mechanical stimuli into action potent
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16:23 Popular
The Enlightenment: Crash Course European History #18
846 views / 2 likes - addedSo far in this series, we've covered a lot of war, disease, climate disaster, and some more war. Well, prepare yourself for something a little more positive. This week, we're talking about the Enlightenment. In this video, you'll learn about the ideas of
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03:55 Popular
Wood, Water, And Properties: Crash Course Kids #15.1
827 views / 1 likes - addedQuick, think of three words to describe yourself. TIME'S UP! What did you think of? Chances are you thought of descriptive words that we call Properties. In this episode of Crash Course Kids, Sabrina talks about how properties help us understand objects.
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03:33 Popular
Land And Water: Crash Course Kids #16.1
1,240 views / 2 likes - addedRemember Sol, the closest star to Earth? We like to call it The Sun and we haven't talked about it in a little while. One interesting thing about the energy we get from the sun is that it's not absorbed the same way by different materials. In fact, even a
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10:15 Popular
Polymers - Crash Course Chemistry #45
2,012 views / 0 likes - addedYou can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
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04:37 Popular
Living Things Change: Crash Course Kids #41.1
1,329 views / 3 likes - addedHave you ever heard of the Peppered Moth? It's a great example of how living things can change because their environment has changed. And it's not just them! There used to be giant insects roaming the world, but they got smaller through time because their
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Television Production: Crash Course Film Production #15
549 views / 0 likes - addedIn our final episode of Crash Course Film Production, it's time to take a look at television production and how it differs from feature film production. It's subtle but it has a lot to do with how television shows make money for their many different types
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The Nervous System, Part 3 - Synapses!: Crash Course A&P #10
1,429 views / 0 likes - added•••SUBBABLE MESSAGE••• TO: NerdFighteria FROM: Dave at DTXC.CO Cycling t-shirts at DTXC.CO. Don't give up the Road! DFTBA! *** Subbable Co-Sponsors: Logan Sanders https://www.facebook.com/perrylogans Dr. Boyev http://youtube.com/taichiknees *** You can di
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09:36 Popular
Alkenes&Alkynes - Crash Course Chemistry #41
1,093 views / 0 likes - addedYou can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
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10:36 Popular
Money And Finance: Crash Course Economics #11
849 views / 1 likes - addedSo, we've been putting off a kind of basic question here. What is money? What is currency? How are the two different. Well, not to give away too much, but money has a few basic functions. It acts as a store of value, a medium of exchange, and as a unit of
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09:50 Popular
Public Opinion: Crash Course Government And Politics #33
1,204 views / 0 likes - addedSo today, Craig is finally going to start talking about politics. Now up until this point we've specifically been looking at government - that is answering the questions of who, what, and how in relation to policies. But politics is different in that it l
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11:09
Water and Classical Civilizations: Crash Course World History 222
693 views / 1 likes - addedIn which John Green teaches you about water! So, we talk about resources a lot on Crash Course, and today is no exception. It turns out people can't live without water, which means it's absolutely necessary for civilization. Today John talks about water i
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09:29 Popular
The Language of Film: Crash Course Film History #5
762 views / 0 likes - addedIn this episode of Crash Course Film History, we talk about the development of the language of films by filmmakers like Edwin S. Porter and his films; Life of an American Fireman and The Great Train Robbery. Produced in collaboration with PBS Digital Stud
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10:55 Popular
Digestive System, Part 2: Crash Course A&P #34
1,650 views / 1 likes - addedNearly 200 years ago, Alexis St. Martin was shot in the stomach. He was saved by local army doctor William Beaumont, but had to live out his remaining years with a gaping hole in the stomach -- allowing Beaumont to learn a lot about how human digestion wo
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11:00
The Future of Artificial Intelligence: Crash Course AI #20
545 views / 0 likes - addedToday, in our final episode of Crash Course AI, we're going to look towards the future. We've spent much of this series explaining how and why we don't have the Artificial General Intelligence (or AGI) that we see in the movies like Bladerunner, Her, or E
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11:32 Popular
Hydrocarbon Power! - Crash Course Chemistry #40
913 views / 0 likes - addedYou can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
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12:33 Popular
That's Why Carbon Is A Tramp: Crash Course Biology #1
1,438 views / 0 likes - addedAnd thus begins the most revolutionary biology course in history. Come and learn about covalent, ionic, and hydrogen bonds. What about electron orbitals, the octet rule, and what does it all have to do with a mad man named Gilbert Lewis? It's all containe
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1,330 views / 2 likes - addedWhy is my weather app sometimes wrong? Well it has a lot to do with wind. Jet Streams, air cells, the shape and movement of the Earth... there are a lot of things that make weather a little unpredictable. In this episode of Crash Course Kids, Sabrina talk
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Material Magic - Making Diamonds: Crash Course Kids #40.2
972 views / 1 likes - addedDid you know we can actually make diamonds in a lab? It's true! We can! And this is both really good and really cool. In this episode of Crash Course Kids, Sabrina shows us how materials scientists have done just that and why it's so important. Watch More
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Presidential Power: Crash Course Government and Politics #11
747 views / 0 likes - addedThis week Craig looks at the expressed powers of the President of the United States - that is the ones you can find in the Constitution. From appointing judges and granting pardons, to vetoing laws and acting as the nation’s chief diplomat on foreign poli
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14:02
The Northern Renaissance: Crash Course European History #3
416 views / 0 likes - addedThe European Renaissance may have started in Florence, but it pretty quickly moved out of Italy and spread the art, architecture, literature, and humanism across Europe to places like France, Spain, England, and the Low Countries.SOURCES:Hunt, Lynn et al.
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10:32 Popular
What Is God Like?: Crash Course Philosophy #12
763 views / 0 likes - addedToday we are moving on from the existence of God to look at the philosophical debate surrounding the traditional divine attributes - omnipotence, omniscience, omnitemporality, and omnibenevolence. We are exploring the puzzles that these attributes create
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04:20 Popular
Oobleck And Non-Newtonian Fluids: Crash Course Kids #46.1
1,056 views / 1 likes - addedEver heard of Oobleck? How about Non-Newtonian fluids? Well, today Sabrina is going to show us that things can sometimes behave like a solid, and sometimes like a liquid depending on how much force is applied to them. In this episode of Crash Course Kids,
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10:44 Popular
Sympathetic Nervous System: Crash Course A&P #14
705 views / 0 likes - addedHank tries not to stress you out too much as he delves into the functions and terminology of your sympathetic nervous system. -- Table of Contents Sympathetic Nervous System Controls the Body's Stress Response 0:26 How Signals Travel to Effectors 1:48 Ace
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03:59
Defining Success: Crash Course Kids #18.2
624 views / 0 likes - addedIn our last episode, Sabrina talked about how Engineers define the problems they need to solve. But how do you know when you've actually solved a problem? What do you expect to happen that would equal success? In this episode, Sabrina chats about how Engi
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11:00
Why Cosmic Evolution Matters: Crash Course Big History #201
493 views / 0 likes - addedCrash Course Big History is back! It turns out, we couldn't tell all of the 13.8 billion years of the history of the universe in 10 Crash Course Episodes. So, Big History host Emily Graslie has returned to add 6 more episodes that look at why the stuff we
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3:04:00 Popular
Disney RELAXING PIANO Collection -Sleep Music, Study Music, Calm Music (Piano Covered by kno)
2,336 views / 17 likes - added#Disney #Disneypiano #knopianomusic 00:00 Someday My Prince Will Come (From "Snow White and the Seven Dwarfs") 02:18 A Dream is a Wish Your Heart Makes (From "Cinderella") 05:23 The Second Star to the Right (From "Peter Pan") 08:58 Part of Your World From
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The Agricultural Revolution: Crash Course World History #1
850 views / 0 likes - addedCrash Course World History is now available on DVD! Visit http://dft.ba/-CCWHDVD to buy a set for your home or classroom. You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything
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04:29 Popular
The Great Aqua Adventure: Crash Course Kids #24.1
891 views / 3 likes - addedWater travels... a lot. In fact, the water cycle is amazing and takes water all over the planet by using evaporation, condensation, and precipitation. In this episode of Crash Course Kids, Sabrina shows us how the water cycle works and how you can create
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Microsoft And Connected Consoles: Crash Course Games #10
662 views / 1 likes - addedToday, we wrap up our discussion of the console wars by taking a look at Microsoft’s Xbox which was announced in 2001. The early 2000s saw a lot of innovation in hardware and games and we’ll cover some of that, but one significant change that would heavil
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04:53 Popular
Following The Sun: Crash Course Kids #8.2
1,957 views / 7 likes - addedHave you ever wondered why your shadow is longer sometimes and shorter others? It turns out it all has to do with that marvelous big ball of light in the sky; The Sun! This first series is based on 5th grade science. We're super excited and hope you enjoy
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07:53
Presidential Powers 2: Crash Course Government And Politics
673 views / 0 likes - addedThis week Craig continues our conversation on presidential powers by looking at those NOT found in the Constitution - implied or inherent powers. We’ll talk about how the president uses his or her power to negotiate executive agreements, recommend legisla
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15:01 Popular
The Progressive Era: Crash Course US History #27
907 views / 1 likes - addedYou can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps keep the channel producing great conten
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04:31 Popular
Orbits Are Odd: Crash Course Kids #22.2
777 views / 0 likes - addedLast week we talked about the orbits of the Earth and our Moon. But today we're going to go a little bigger... well, a lot better. Did you know that there is a massive Black Hole at the center of our Galaxy? Or that Pluto's orbit is really... weird? Today
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04:01 Popular
Earth's Rotation & Revolution: Crash Course Kids 8.1
1,531 views / 1 likes - addedSo, have you ever wondered why we have seasons? Or maybe where the sun goes when it's night time? *Hint: It doesn't actually go anywhere* In this episode of Crash Course Kids, Sabrina talks about the Earth's rotation and revolution and how these things co
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Ancient & Medieval Medicine: Crash Course History of Science #9
545 views / 0 likes - addedThe history of medicine is about two of our big questions: one, what is life? What makes it so special, so fragile, so goopy!? Two, how do we know what we know? Why should I take my doctors advice? Why are deep-fried Oreos bad for me?It may be tempting to
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07:56 Popular
Civil Rights & Liberties: Crash Course Government #23
710 views / 0 likes - addedToday, Craig is going to give you an overview of civil rights and civil liberties. Often these terms are used interchangeably, but they are actually very different. Our civil liberties, contained in the Bill of Rights, once only protected us from the fede
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10:48
Party Systems: Crash Course Government And Politics #41
683 views / 0 likes - addedToday, Craig is going to dive into the history of American political parties. So throughout most of United States history our political system has been dominated by a two-party system, but the policies and the groups that support these parties have change
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06:16
Congressional Delegation: Crash Course Government And Politics #13
618 views / 0 likes - addedIn which Craig Benzine teaches you about delegation, and informal powers. What are all these federal agencies about? Well, the president has a lot of stuff to do as the chief executive, and as much as Americans like to talk about personal responsibility,
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12:23
Neural Networks and Deep Learning: Crash Course AI #3
320 views / 1 likes - addedYou can learn more about CuriosityStream at https://curiositystream.com/crashcourse. Today, we're going to combine the artificial neuron we created last week into an artificial neural network. Artificial neural networks are better than other methods for m
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11:05
Reversibility & Irreversibility: Crash Course Engineering #8
313 views / 0 likes - addedHow do we design the most efficient machines and processes? Today well try to figure that out as we discuss heat & work, reversibility & irreversibility, and how to use efficiency to measure a system. Crash Course Engineering is produced in association wi
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09:23 Popular
How Presidents Govern: Crash Course Government And Politics #14
898 views / 0 likes - addedThis week Craig Benzine talks about how the president gets things done. Filling the role of the executive branch is a pretty big job - much too big for just one person. It's so big that the president employees an entire federal bureaucracy! Today, we’re j
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07:00 Popular
How and Why We Read: Crash Course English Literature #1
1,129 views / 2 likes - addedIn which John Green kicks off the Crash Course Literature mini series with a reasonable set of questions. Why do we read? What's the point of reading critically. John will argue that reading is about effectively communicating with other people. Unlike a d
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10:33 Popular
Metabolism & Nutrition, Part 1: Crash Course A&P #36
1,109 views / 0 likes - addedMetabolism is a complex process that has a lot more going on than personal trainers and commercials might have you believe. Today we are exploring some of its key parts, including vital nutrients -- such as water, vitamins, minerals, carbs, fats, and prot
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15:54 Popular
Napoleon Bonaparte: Crash Course European History #22
1,130 views / 5 likes - addedWe try not to get into too much great man history here at Crash Course, but we have to admit: Napoleon Bonaparte is a pretty big deal. Join us as we track the rise, further rise, fall, rise, fall, mortal fall, and posthumous rise of Napoleon. This guy cha
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10:08 Popular
The Heart, Part 1 - Under Pressure: Crash Course A&P #25
1,325 views / 0 likes - addedYour heart gets a lot of attention from poets, songwriters, and storytellers, but today Hank's gonna tell you how it really works. The heart’s ventricles, atria, and valves create a pump that maintains both high and low pressure to circulate blood from th
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11:22
Comedies, Romances, and Shakespeare's Heroines: Crash Course Theater #16
399 views / 1 likes - addedThis week we're continuing our discussion of William Shakespeare and looking at his comedies and romances. As well as something called problem plays. Some of his plays, they had problems. We'll also put on pants, escape to forest, and talk about Shakepear
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09:54 Popular
Uniform Circular Motion: Crash Course Physics #7
1,349 views / 0 likes - addedDid you know that centrifugal force isn't really a thing? I mean, it's a thing, it's just not real. In fact, physicists call it a "Fictitious Force." Mind blown yet? To explore this idea further, this week Shini sits down with us to discuss centripetal fo
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09:39 Popular
Market Economy: Crash Course Government And Politics #46
885 views / 1 likes - addedToday, we’re going to take a look at how the government plays a role in the economy. Specifically, the way the government creates and maintains our market economic system. Now sure, the government’s role in the economy can be controversial, some may even
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03:31
The Ecliptic: Crash Course Kids #37.2
551 views / 0 likes - addedSo, what is the Ecliptic? Well, it has to do with the Zodiac constellations and our sun and how they move in relation to one another. It's kind of cool! In this episode, Sabrina chats about this imaginary line called the Ecliptic and its cycle in the sky.
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08:36
Heat Transfer: Crash Course Engineering #14
378 views / 0 likes - addedToday were talking about heat transfer and the different mechanisms behind it. Well explore conduction, the thermal conductivity of materials, convection, boundary layers, and radiation. Crash Course Engineering is produced in association with PBS Digital
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09:56 Popular
The Golden Age of Hollywood: Crash Course Film History #11
792 views / 0 likes - addedIt's time for the glitz and the glamour of big motion pictures that helped keep American spirits up during and after the Great Depression. Sound was a huge change to motion pictures, but there were still a few technological innovations to come, like color
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10:51 Popular
Psychological Research - Crash Course Psychology #2
815 views / 1 likes - addedYou can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
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06:59 Popular
Bureaucracy Basics: Crash Course Government And Politics #15
962 views / 0 likes - addedThis week Craig Benzine discuses bureaucracies. Bureaucracies tend to be associated with unintelligible rules and time-wasting procedures, but they play an important, though controversial, role in governing. From the FDA to the EPA, these agencies were es
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09:38
Casual Gaming: Crash Course Games #11
655 views / 0 likes - addedToday, we’re moving on from game consoles to talk about a bigger shift that was happening in the gaming industry. In the mid 2000s, we saw a proliferation of Internet accessible devices and with them gaming would expand to a new audience. We’re going to t
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09:13 Popular
Anselm And The Argument For God: Crash Course Philosophy #9
821 views / 0 likes - addedToday we are introducing a new area of philosophy – philosophy of religion. We are starting this unit off with Anselm’s argument for God’s existence, while also considering objections to that argument. -- “That’s a Neigh” David Goehring https://www.flickr
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09:29 Popular
Equilibrium Equations: Crash Course Chemistry #29
748 views / 0 likes - addedYou can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
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07:38 Popular
Search And Seizure: Crash Course Government And Politics #27
703 views / 0 likes - addedThis week Craig talks about police searches and seizures. Now, the fourth amendment says that you have the right to be protected against "unreasonable searches and seizures" but what exactly this mean? Well, it's complicated. The police often need warrant
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11:34
Climate Science: Crash Course History of Science #45
319 views / 0 likes - addedScientists tend to be careful and resistant to big claims. So evidence for the possible end of the living world took a while to be seen as such. In this episode of Crash Course History of Science, Hank talks to us about where Climate Science started and h
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10:39
Silicon, Semiconductors, & Solar Cells: Crash Course Engineering #22
303 views / 0 likes - addedToday were looking at silicon, and how introducing small amounts of other elements allow silicon layers to conduct currents, turning them into semiconductors. Well explore how putting two different types N and P semiconductors together gives us electrical
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08:51 Popular
Comparative Anatomy: What Makes Us Animals - Crash Course Biology #21
1,767 views / 0 likes - addedHank introduces us to comparative anatomy, which studies the similarities and differences in animal anatomy to support the theory of evolution and the shared ancestry of living things. Crash Course Biology is now available on DVD! http://dft.ba/-8css Like
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13:39
The Holocaust,Genocides, and Mass Murder of WWII: Crash Course European History #40
550 views / 2 likes - addedDuring World War II, Nazi Germany undertook the imprisonment and summary execution of many of its own citizens, and citizens of the nations they occupied. One of the groups that came under assault was the European Jewish population. More than six million
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04:09 Popular
Vacation Or Conservation (Of Mass): Crash Course Kids #23.1
4,249 views / 0 likes - addedSo when water evaporates, what happens? Where does that water go? Does just vanish? Is it no more? Can matter every just go away? Well, the answer is no, it can't. But it can LOOK like it does. In this episode of Crash Course Kids, Sabrina shows us how Co
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Aromatics and Cyclic Compounds - Crash Course Chemistry #42
1,823 views / 0 likes - addedYou can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
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05:07 Popular
Current Events: Crash Course Kids #34.1
1,264 views / 2 likes - addedWhat are air currents? Air currents are like rivers of wind caused by areas of high and low pressure.The air above the land is warmer and less dense, so it rises. The air over the water is cooler and heavier. The cool air rushes in toward the low-pressure
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Endocrine System, Part 1 - Glands & Hormones: Crash Course A&P #23
1,946 views / 0 likes - addedHank begins teaching you about your endocrine system by explaining how it uses glands to produce hormones. These hormones are either amino-acid based and water soluble, or steroidal and lipid-soluble, and may target many types of cells or just turn on spe
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10:26 Popular
Aquinas And The Cosmological Arguments: Crash Course Philosophy #10
750 views / 0 likes - addedOur unit on the philosophy of religion and the existence of god continues with Thomas Aquinas. Today, we consider his first four arguments: the cosmological arguments. -- Images and video via VideoBlocks or Wikimedia Commons, licensed under Creative Commo
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10:35 Popular
The Physics of Music: Crash Course Physics #19
1,088 views / 0 likes - addedGet Your Crash Course Physics Mug here: https://store.dftba.com/products/crashcourse-physics-mug Music plays a big part in many of our lives. Whether you just like to listen or you enjoy playing an instrument, music is powerful. So what is music? How does
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08:46
Designing the World of Film: Crash Course Film Production #9
619 views / 0 likes - addedLiterally, ‘mise-en-scene’ means “placing on stage.” But in film, mise-en-scene encompasses everything the camera is capturing. The artists and crafts-people who work in Production Design, Wardrobe, and Hair and Makeup are responsible for setting the stag
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09:47
Anti-Vaxxers, Conspiracy Theories & Epistemic Responsibility: Crash Course Philosophy #14
679 views / 1 likes - addedToday we explore what obligations we hold with our personal beliefs. Hank explains epistemic responsibility and the issues it raises with everything from religious belief, to ship owning, to vaccinations. -- Images via Wikimedia Commons, licensed under Cr
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07:21
Shaping Public Opinion: Crash Course Government And Politics #34
559 views / 0 likes - addedSo today Craig is going to talk about where our political opinions come from. Of course, most people’s politics are grounded in their ideologies, but there are also other external influences such as the government itself, interest groups, and the media. S
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04:11 Popular
A Fresh Future: Crash Course Kids #33.2
750 views / 5 likes - addedSo, how are people fixing their water problems? In this episode of Crash Course Kids, Sabrina talks about a few different examples how some freshwater sources were good, then bad, then made good again. Also, Sabrina talks about parasites, fish, and dams!
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Coal, Steam, and The Industrial Revolution: Crash Course World History #32
909 views / 1 likes - addedMongols Shirts and Crash Course Posters! http://www.dftba.com/crashcourse In which John Green wraps up revolutions month with what is arguably the most revolutionary of modern revolutions, the Industrial Revolution. While very few leaders were beheaded in
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10:22
Georges Melies - Master of Illusion: Crash Course Film History #4
648 views / 0 likes - addedAfter the Lumiere brothers and Thomas Edison got the ball rolling with Vaudeville acts and Actualites, the time was coming for movie magic and fiction to make an appearance. The time was coming of filmmakers like Georges Melies and Alice Guy-Blache. Produ
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10:34 Popular
Light: Crash Course Astronomy #24
1,666 views / 0 likes - addedIn 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, dens
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Lets make a movie recommendation system: Crash Course AI #16
320 views / 0 likes - addedFollow along: https://colab.research.google.com/drive/1-v9cw18wTDjaCUlECKHsQnHeisLKyG8U We need to save Jabril and John Green Bots movie nights. Jabril generally likes action movies and John Green Bot likes romantic movies, but they need to find something
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11:44 Popular
The Mughal Empire and Historical Reputation: Crash Course World History #217
1,007 views / 0 likes - addedThere's a new Crash Course poster with all your favorite World History characters! Czech it: http://store.dftba.com/products/crashcourse-characters-poster In which John Green teaches you about the Mughal Empire, which ruled large swaths of the Indian Sub-
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10:07 Popular
Data Structures: Crash Course Computer Science #14
1,079 views / 0 likes - addedToday we’re going to talk about on how we organize the data we use on our devices. You might remember last episode we walked through some sorting algorithms, but skipped over how the information actually got there in the first place! And it is this abilit
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Why Moving People is Complicated: Crash Course Engineering #41
305 views / 0 likes - addedTransportation is a big part of our world and engineers play a big role in making it happen. Today well explore how transportation systems are designed and some things transportation engineers have to take into consideration, like signaling, user behavior
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13:12 Popular
Reader, it's Jane Eyre - Crash Course Literature 207
783 views / 2 likes - addedYou can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Free is nice, but if you can afford to pay a little every month, it really helps us to continue producing th
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The Creation of Chemistry - The Fundamental Laws: Crash Course Chemistry #3
637 views / 0 likes - addedToday's Crash Course Chemistry takes a historical perspective on the creation of the science, which didn't really exist until a super-smart, super-wealthy Frenchman put the puzzle pieces together - Hank tells the story of how we went from alchemists to ch
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03:19 Popular
The Dirt On Decomposers: Crash Course Kids #7.2
2,203 views / 3 likes - addedWe've talked about food chains and how energy moves through an ecosystem, but let's take a step back and see how everything starts... and ends. Decomposers! This first series is based on 5th grade science. We're super excited and hope you enjoy Crash Cour
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10:36 Popular
The Nervous System, Part 1: Crash Course A&P #8
1,181 views / 1 likes - added•••SUBBABLE MESSAGE••• TO: Kerry FROM: Cale I love you with all my ha-art. Deadset. *** You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can aff
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09:04 Popular
Blood Vessels, Part 2: Crash Course A&P #28
1,479 views / 0 likes - addedAnd now we return to blood vessels. In this episode, we start discussing what blood pressure is, how it can become "high", and what that means for our health. One of the more interesting points is that your body has ways of dealing with high blood pressur
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06:35 Popular
Seeing Stars: Crash Course Kids
800 views / 0 likes - added***Corrected with Images of Stars/planets*** So you know what a star is, right? Well, if you don't, you should. We've talked about that big one in the sky a few times: The Sun! But there are a lot of bright dots in the night sky and not all of them are st
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10:26 Popular
Economics Of Education: Crash Course Economics #23
811 views / 0 likes - addedHow does education work? Where does the money come from? Who pays for it? Is going to college a good investment? Adriene and Jacob are talking today about the economics of education. Most countries require that their citizens get some education, and most
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09:39 Popular
Natural Law Theory: Crash Course Philosophy #34
1,014 views / 0 likes - addedOur exploration of ethical theories continues with another theistic answer to the grounding problem: natural law theory. Thomas Aquinas’s version of this theory says that we all seek out what’s known as the basic goods and argued that instinct and reason
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14:04 Popular
American Imperialism: Crash Course US History #28
1,409 views / 0 likes - addedIn which John Green teaches you about Imperialism. In the late 19th century, the great powers of Europe were running around the world obtaining colonial possessions, especially in Africa and Asia. The United States, which as a young country was especially
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15:08 Popular
Scientific Revolution: Crash Course European History #12
1,063 views / 0 likes - addedThere was a lot of bad stuff going on in Europe in the 17th century. We've seen wars, plagues, and unrest of all types. But, there is some good news. Huge advances were underway in the scientific community in Europe at this time. In this video we'll look
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Freedom Of The Press: Crash Course Government And Politics #26
799 views / 0 likes - addedToday, Craig is going to finish up our discussion of the First Amendment with freedom of the press. Like an individual's right to free speech, the press has a right, and arguably responsibility, to tell the public what the government is doing. But of cour
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Freedom Of Religion: Crash Course Government And Politics #24
752 views / 2 likes - addedToday, Craig is going to take a look at the First Amendment and your right to freedom of religion. We’ll examine some significant Supreme Court decisions and talk about how they’ve affected our interpretations of the law with respect to stuff like animal
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10:44 Popular
Electronic Computing: Crash Course Computer Science #2
776 views / 0 likes - addedSo we ended last episode at the start of the 20th century with special purpose computing devices such as Herman Hollerith’s tabulating machines. But as the scale of human civilization continued to grow as did the demand for more sophisticated and powerful
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09:18 Popular
Doing Solids: Crash Course Chemistry #33
1,109 views / 0 likes - addedYou can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
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09:30 Popular
Blood Vessels, Part 1 - Form And Function: Crash Course A&P #27
1,407 views / 0 likes - addedNow that we've discussed blood, we're beginning our look at how it gets around your body. Today Hank explains your blood vessels and their basic three-layer structure of your blood vessels. We're also going over how those structures differ slightly in dif
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08:46 Popular
Election Basics: Crash Course Government And Politics #36
748 views / 0 likes - addedThis week Craig is going to give you a broad overview of elections in the United States. So as you may have noticed, there are kind of a lot of people in the U.S, and holding individual issues up to a public vote doesn't seem particularly plausible. So to
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Gas Giants Weather: Crash Course Kids #43.2
214 views / 0 likes - addedLast time, we learned that there is in fact weather on other planets. But those were the rocky planets, like Earth. What about the big Gas Giants? What's the weather like there? In this episode of Crash Course Kids, Sabrina takes us on a virtual tour of t
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08:54 Popular
Social Policy: Crash Course Government And Politics #49
2,001 views / 2 likes - addedToday, Craig is going to talk about social policy - in the United States this means achieving one of three goals: protecting Americans from risk, promoting equal opportunity, or assisting the poor. Many Americans strongly believe in individualism, that is
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