PBS
Pbs Learning Media: Crash Course Anatomy and Physiology: Tissues, Part 1
In this episode, Hank provides a brief history of histology and introduces the different types and functions of your body's tissues. [10:42]
PBS
Pbs Learning Media: Crash Course Government and Politics: Election Basics
There are a lot of people in the U.S, and holding individual issues up to a public vote doesn't seem particularly plausible. To deal with this complexity, we vote for people, not policies, that represent our best interests. But as you'll...
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Pbs Learning Media: Crash Course Astronomy: Dark Energy, Cosmology Part 2
The majority of the universe is made up of a currently mysterious entity that pervades space: dark energy. We don't know exactly what it is, but we do know that dark energy accelerates the expansion of space. We think this means the...
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Pbs Learning Media: Crash Course Artificial Intelligence: Symbolic Ai #10
This type of AI is used broadly in video games and in expert systems like those that manage inventory at grocery stores and set rates at insurance companies. We'll show you how we represent symbols and their relations, teach you how to...
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Pbs Learning Media: Crash Course Government and Politics: Media Regulation
Today we wrap up our discussion of the media by talking about how the government interacts with and influences the content we see. Now it may be easy to assume that because we live in a free-market capitalist society, the only real...
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Pbs Learning Media: Crash Course Government and Politics: Equal Protection
In this episode, we discuss the most important part of the Constitution-the Fourteenth Amendment. In particular, we discuss the "equal protection" clause and how it relates to our civil rights. We've discussed in previous episodes civil...
PBS
Pbs Learning Media: Crash Course Anatomy and Physiology: Hearing & Balance
Continue on a journey through the sensory systems with a look at how your sense of hearing works. We follow sounds as they work there way into the ear, where they are registered and transformed into action potentials. This mechanism not...
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Pbs Learning Media: Crash Course Astronomy: The Big Bang, Cosmology Part 1
Thanks to observations of galaxy redshifts, we can tell that the universe is EXPANDING! Knowing that the universe is expanding and how quickly its expanding also allows us to run the clock backwards 14 billion years to the way the...
PBS
Pbs Learning Media: Crash Course Government and Politics: Media Institution
So today we're going to look at the rather thorny issue of the media and its role in politics. Whether you're talking about older forms of media like newspapers and radio or newer forms like television and the Internet, all media serves...
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Pbs Learning Media: Crash Course Government and Politics: How Voters Decide
Like all decision-making, voter decisions are influenced by a multitude of factors, but the three we are going to focus on in this episode are party loyalty, the issues involved in an election, and candidate characteristics. This all...
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Pbs Learning Media: Crash Course Government and Politics: Political Parties
In this episode, we discuss political parties and their role in American politics. When most people think about political parties, they associate them with the common ideologies of the voters and representatives within that party, but...
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Pbs Learning Media: Crash Course Government and Politics: Freedom of Speech
Free speech not only allows you to critique the government, but it also protects you from the government. It is essential to remember that not all speech is protected equally under the first amendment, and just because you have a right...
PBS
Pbs Learning Media: Crash Course Astronomy: A Brief History of the Universe
Thanks to the wonders of physics, astronomers can map a timeline of the universe's history. Today, Phil's going to give you an overview of those first few minutes (yes, MINUTES) of the universe's life. It started with a Big Bang, when...
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Pbs Learning Media: Crash Course Us History: The Clinton Years, or the 1990s
In which John Green teaches you about the United States as it was in the 1990s. You'll remember from last week that the old-school Republican George H.W. Bush had lost the 1992 presidential election to a young upstart Democrat from...
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Pbs Learning Media: Crash Course Government and Politics: Search and Seizure
The fourth amendment says that you have the right to be protected against "unreasonable searches and seizures," but what does that mean, exactly? Well, it's complicated. The police often need warrants issued with proof of probable cause,...
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Pbs Learning Media: Crash Course Government and Politics: Judicial Decisions
Learn about the factors that influence judicial decisions. The supreme court handed down some pretty big decisions on same-sex marriage (in Obergefell v. Hodges) and the Affordable Care Act (in King v. Burwell). It's important to...
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Pbs Learning Media: Crash Course Government and Politics: Due Process of Law
In this episode, we discuss the 5th and 6th amendments and how they ensure a fair trial. We'll talk about stuff you tend to hear a lot about on tv, like the right to an attorney and a jury of one's peers, and terms like double jeopardy...
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Pbs Learning Media: Crash Course Government and Politics: Bureaucracy Basics
Bureaucracies tend to be associated with unintelligible rules and time, but they play an important, though controversial, role in governing. From the FDA to the EPA, agencies are established to help the government manage and carry out...
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Pbs Learning Media: Crash Course Government and Politics: Freedom of Religion
In this episode, we discuss the first amendment and an individual's right to the 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...
PBS
Pbs Learning Media: Crash Course Anatomy and Physiology: Central Nervous System
In this episode, we discuss the central nervous system. We'll explore how your brain develops and how important location is for each of your brain's many functions. [10:07]
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Pbs Learning Media: Crash Course Anatomy and Physiology: Autonomic Nervous System
Take a tour of the two-part autonomic nervous system. This episode explains how your sympathetic nervous system and parasympathetic nervous system work together as foils, balancing each other out. Their key anatomical differences-where...
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Pbs Learning Media: Crash Course Government and Politics: Sex Discrimination
In this episode, we discuss employment discrimination, primarily against women in the workforce. Discrimination against women tends to be handled somewhat differently in the courts, as they are not a minority. Even so, the courts need a...
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Pbs Learning Media: Crash Course Government and Politics: Political Campaigns
Political campaigns are a pretty big deal in the United States. For instance, the 2012 presidential election clocked in at the most expensive ever - at around $6 billion dollars! Needless to say, money plays a very big role in American...
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Pbs Learning Media: Crash Course Government and Politics: Legal System Basics
Learn about the judicial branch of government. It's pretty easy to forget that the courts, and the laws that come out of them, affect our lives on a daily basis. How are court decisions made, and where does each law's jurisdiction start...