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Why are some countries rich? Why are some countries poor? In the end it comes down to Productivity. This week on Crash Course Econ, Adriene and Jacob investigate just why some economies are more productive than others, and what happens when an economy is mor productive. We'll look at how things like per capita GDP translate to the lifestyle of normal people. And, there's a mystery.
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Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever:
Mark, Jan Schmid, Simun Niclasen, Robert Kunz, Daniel Baulig, Jason A Saslow, Eric Kitchen, Christian, Beatrice Jin, Anna-Ester Volozh, Eric Knight, Elliot Beter, Jeffrey Thompson, Ian Dundore, Stephen Lawless, Today I Found Out, James Craver, Jessica Wode, Sandra Aft, Jacob Ash, SR Foxley, Christy Huddleston, Steve Marshall, Chris Peters
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Not sleeping for days on end. Long periods of euphoria. Racing thoughts. Grandiose ideas. Mania. Depression. All of these are symptoms of Bipolar Disorder. In this episode of Crash Course Psychology, Hank talks about mood disorders and their causes as well as how these disorders can impact people's lives.
Want more videos about psychology? Check out our sister channel SciShow Psych at https://www.youtube.com/scishowpsych!
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Chapters:
Introduction: Bipolar Disorder 00:00
Mood Disorders 1:15
What are Moods? 2:00
Depressive Disorders 2:50
Bipolar Disorder 4:31
Genetic Causes of Mood Disorders 5:48
Environmental Triggers of Mood Disorders 6:14
Mood Disorders & Gender 6:45
Mood Disorders & the Brain 7:05
Social-Cognitive Perspective on Mood Disorders 7:58
Review & Credits 9:13
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Today Hank begins to teach you about Philosophy by discussing the historical origins of philosophy in ancient Greece, and its three main divisions: metaphysics, epistemology, and value theory. He will also introduce logic, and how you’re going to use it to understand and critically evaluate a whole host of different worldviews throughout this course. And also, hopefully, the rest of your life.
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Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios
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Before 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).
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Images and video via VideoBlocks or Wikimedia Commons, licensed under Creative Commons by 4.0:
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Crash Course Philosophy is sponsored by Squarespace.
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So 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, continuing to the mechanics of both simple diffusion and bulk flow, as well as the physiology of breathing, and finishing with the anatomy of both the conducting zone and the respiratory zone of your respiratory system.
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
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Chapters:
Introduction: The First Air-Breathers 00:00
Simple Diffusion 2:44
Bulk Flow 3:59
Mechanics of Breathing 4:30
Anatomy of the Conducting Zone 5:47
Anatomy of Respiratory Zone 7:07
Review 8:33
Credits 8:56
***
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, Jan Schmid, Simun Niclasen, Robert Kunz, Daniel Baulig, Jason A Saslow, Eric Kitchen, Christian, Beatrice Jin, Anna-Ester Volozh, Eric Knight, Elliot Beter, Jeffrey Thompson, Ian Dundore, Stephen Lawless, Today I Found Out, James Craver, Jessica Wode, Sandra Aft, Jacob Ash, SR Foxley, Christy Huddleston, Steve Marshall, Chris Peters
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Today we are investigating our moral obligations to our parents and our families. Do we owe our parents anything as adults? Would it be a good idea to license parents? We’ll explore these questions as well as the ethics of care, and some potential problems that type of approach to morality carries with it.
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What's that smell? Smell's like Organic Chemistry! This week Hank talks about Aromatics and Cyclic Compounds, naming their substituents, resonance, and common reactions & uses.
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
--
Table of Contents
Cyclic Organic Compounds & Naming Their Constituents 1:06
Aromatic Compounds 3:02
Resonance 3:18
Naming Aromatic Compounds 5:05
Common Reactions & Uses 7:24
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You're already learning on YouTube — why not get college credit for it? https://link.gostudyhall.com/my1
In this episode of Crash Course: How to College, Erica talks us through what preparing for college could entail and how we can be active in that preparation. Applying to college is exciting and stressful and lots of other things that cause a whole lot of emotions. But you can take steps now that will make the college admissions process a lot easier once you get to that point.
***
Now you can take top-tier college courses with Study Hall! Study Hall videos are available to watch at no cost, and first-year courses are $25 to sign-up and begin coursework. Once you're satisfied with your grade, receive credit for only $400. Sign up at https://link.gostudyhall.com/my1
Follow Study Hall on socials!
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Facebook: https://www.facebook.com/GoStudyHall
_______________________________________________
Chapters:
0:00 - Introduction
0:51 - Getting organized
1:24 - Goals
2:25 - Courses
3:36 - Standardized tests
6:12 - Figuring out your interests
_______________________________________________
Links to the resources listed in this video:
GED: https://ged.com/
Kaplan: https://www.kaptest.com/study/
Career assessment tests: https://www.careeronestop.org/ https://www.mynextmove.org/explore/ip
National College Attainment Network: https://www.ncan.org/general/c....ustom.asp?page=Membe
Upward Bound: https://www2.ed.gov/programs/t....rioupbound/index.htm
Crash Course: How to College is part of Study Hall, a partnership between ASU and Crash Course. Head over to our new Study Hall channel to check out our Fast Guide series which break down different college majors.
***
Watch our videos and review your learning with the Crash Course App!
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Thanks to the following patrons for their generous monthly contributions that help keep Crash Course free for everyone forever:
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#CrashCourse #HowtoCollege #StudyHall
Why do people sometimes do bad things just because someone else told them to? And what does the term Groupthink mean? In today's episode of Crash Course Psychology, Hank talks about the ideas of Social Influence and how it can affect our decisions to act or to not act.
Want more videos about psychology? Check out our sister channel SciShow Psych at https://www.youtube.com/scishowpsych!
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Chapters:
Introduction 00:00
Milgram's Obedience Experiment 0:31
Social Influence & Conformity 3:22
Asch's Conformity Experiment 4:08
Cultural Expectations & Normative Social Influence 5:21
Social Facilitation 5:59
Social Loafing 6:19
Deindividuation & Group Polarization 6:51
Groupthink 7:58
Review & Credits 9:06
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Have you ever heard of a perpetual motion machine? More to the point, have you ever heard of why perpetual motion machines are impossible? One of the reasons is because of the first law of thermodynamics! In this episode of Crash Course Physics, Shini talks to us about thermodynamics and entropy. Also, we learn about isovolumetric, isobaric, isothermal, and adiabatic processes. It'll all make sense in a minute!
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Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios
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This week Craig Benzine explores the leadership structure of congress. We’ll break out the clone machine to examine the responsibilities of the speaker of the house, the majority and minority leaders, and the majority and minority whips in both the Senate and the House. As the leadership heavily influences assignments to committees and acts as the primary point of contact with the media, they wield significant power in influencing public dialog.
Produced in collaboration with PBS Digital Studios: http://youtube.com/pbsdigitalstudios
Support is provided by Voqal: http://www.voqal.org
Chapters:
Introduction: Leadership Structure of Congress 00:00
Leadership in Congress 0:22
Speaker of the House 0:50
Majority & Minority Whips & Leaders 1:20
Senate leadership 2:05
How congressional leaders exercise power 3:03
Who controls the congressional agenda? 3:28
Access to press 4:13
Fundraising 4:43
Why political parties matter in Congress 5:26
Understanding congressional leadership 6:54
Credits 7:39
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What exactly is consciousness? Well... that's kind of a gray area. In this episode of Crash Course Psychology, Hank gives you the basic ideas of what consciousness is, how our attention works, and why we shouldn't text and drive... ever... no, really, NEVER!
Want more videos about psychology? Check out our sister channel SciShow Psych at https://www.youtube.com/scishowpsych!
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Chapters:
Introduction: What is Consciousness? 00:00
States of Consciousness 1:51
Cognitive Neuroscience & Neuroimaging 2:16
Dual Processing 3:33
Selective Attention 4:23
Inattentional Blindness 6:13
How Magicians Use Psychology 7:08
Review & Credits 8:38
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Today we continue our unit on identity by asking where the mind resides. Hank explains the mind-body problem and several approaches to the question of where our minds reside, including reductive physicalism, substance dualism, and mysterianism.
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Crash Course Philosophy is sponsored by Squarespace.
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We learn a lot about our surroundings thanks to sound. But... what is it exactly? Sound, that is. What is sound? And how does it travel? And what is this doppler effect that we've heard so much about? In this episode of Crash Course Physics, Shini goes over some of the basics (and some of the not-so-basics) of the Physics of Sound.
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In our final episode of Crash Course Philosophy, we consider what it means to live a good life. We’ll look at the myth of Sisyphus, Robert Nozick’s experience machine, Aristotle’s eudaimonistic picture of a good human life, and the existentialists’ view that we each determine the value of our own lives. And we’ll think about how you, too, can live the life of a philosopher.
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Atoms are a lot like us - we call their relationships "bonds," and there are many different types. Each kind of atomic relationship requires a different type of energy, but they all do best when they settle into the lowest stress situation possible. The nature of the bond between atoms is related to the distance between them and, like people, it also depends on how positive or negative they are. Unlike human relationships, we can analyze exactly what makes chemical relationships work, and that's what this episode is all about.
If you are paying attention, you will learn that chemical bonds form in order to minimize the energy difference between two atoms or ions; that those chemical bonds may be covalent if atoms share electrons, and that covalent bonds can share those electrons evenly or unevenly; that bonds can also be ionic if the electrons are transferred instead of shared: and how to calculate the energy transferred in an ionic bond using Coulomb's Law.
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
--
Table of Contents
Bonds Minimize Energy 01:38
Covalent Bonds 03:18
Ionic Bonds 05:37
Coulomb's Law 05:51
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How do lenses work? How do they form images? Well, in order to understand how optics work, we have to understand the physics of light. In this episode of Crash Course Physics, Shini talks to us about optical instruments and how they make magnification possible.
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Hank 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.
References:
Campbell Biology, 9th ed.
CliffsAP Biology, 3rd ed.
Thomas Henry Huxley: http://www.strangescience.net/huxley.htm
Tissues: http://web.jjay.cuny.edu/~acar....pi/NSC/14-anatomy.ht
Divergence time estimates for the early history of animal phyla...
http://www.ncbi.nlm.nih.gov/pm....c/articles/PMC168965
Table of Contents:
1) Comparative Anatomy 0:00
2) Locomotion 1:19
3) Heterotophy 1:41
4) Convergent Evolution 2:40
5) Biolography 3:40
6) Tissues 6:00
a) Epithelial Tissue 6:11
b) Connective Tissue 6:33
c) Muscle Tissue 7:01
d) Nerve Tissue 7:14
7) Organs 7:32
8) Organ Systems 7:39
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Today Hank talks about your central nervous system. In this episode, we'll explore how your brain develops and how important location is for each of your brain's many functions.
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
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Chapters:
Introduction: Broca's Aphasia 00:00
Central Nervous System Structure & Function 1:48
Brain Development: Neural Tube 3:27
Brain Development: 3 Primary Vesicles 3:47
Brain Development: 5 Secondary Vesicles 4:04
Brain Development: Major Adult Brain Regions 4:18
Brain Development: Cerebellum & Brain Stem 4:42
Brain Development: Reptilian Brain 5:45
Brain Development: Cerebral Hemispheres 6:35
The Brain's Lobes 7:35
Review 9:14
Credits 9:48
***
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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:
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So, if economics is about choices and how we use our resources, econ probably has a lot to say about the environment, right? Right! In simple terms, pollution is just a market failure. The market is producing more pollution than society wants. This week, Adriene and Jacob focus on the environment, and how economics can be used to control and reduce pollution and emissions. You'll learn about supply and demand, incentives, and how government intervention influences the environment.
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, Eric Kitchen, Jessica Wode, Jeffrey Thompson, Steve Marshall, Moritz Schmidt, Robert Kunz, Tim Curwick, Jason A Saslow, SR Foxley, Elliot Beter, Jacob Ash, Christian, Jan Schmid, Jirat, Christy Huddleston, Daniel Baulig, Chris Peters, Anna-Ester Volozh, Ian Dundore, Caleb Weeks
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