PBS
Pbs Learning Media: Crash Course Us History: The Reagan Revolution
In which John Green teaches you about what is often called the Reagan Era. John will teach you about Reagan's election victory over the hapless Jimmy Carter, tax cuts, Reagan's Economic Bill of Rights, union busting, and the Iran-Contra...
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Pbs Learning Media: Crash Course Astronomy: Naked Eye Observations
Host Phil Plait invites you to head outside and take a look at all the incredible things you can see with your naked eye. Learn about constellations, and the visible stars and planets that can be found in the night sky. The brightness...
PBS
Pbs Learning Media: Crash Course Us History: Progressive Presidents
In which John Green teaches you about the Progressive Presidents. The presidents most associated with the Progressive Era are Theodore Roosevelt, William Taft, and Woodrow Wilson. During the times these guys held office, trusts were...
PBS
Pbs Learning Media: Crash Course Us History: The Natives and the English
John Green teaches you about relations between the early English colonists and the native people they encountered in the New World. In short, these relations were poor. As soon as they arrived, the English were in conflict with the...
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Pbs Learning Media: Crash Course Government and Politics: Gerrymandering
In this episode, we'll discuss a topic that makes voters and politicians alike angry - gerrymandering. Gerrymandering is the process in which voting districts are redrawn in a way to favor one party during elections. As you'll see, this...
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Pbs Learning Media: Crash Course Government and Politics: Discrimination
In this episode, we wrap up our discussion of discrimination by looking more closely at those discrete and insular minorities referenced in the 14th Amendment. We'll talk about instances of discrimination of Asian, European, and Latino...
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Pbs Learning Media: Crash Course Government and Politics: Public Opinion
In this episode, we talk about politics and public opinion - specifically how the public does (and does not) influence our elected officials. [9:49]
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Pbs Learning Media: Crash Course Government and Politics: Market Economy
How does the government plays a role in the economy? Specifically, the way the government creates and maintains our market economic system. [9:36]
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Pbs Learning Media: Crash Course Us History: America in World War I
In which John Green teaches you about American involvement in World War I, which at the time was called the Great War. The United States stayed out of World War I at first, because Americans were in an isolationist mood in the early 20th...
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Pbs Learning Media: Crash Course Government and Politics: Federalism
In which Craig Benzine teaches you about federalism, or the idea that in the United States, power is divided between the national government and the 50 state governments. Craig will teach you about how federalism has evolved over the...
PBS
Pbs Learning Media: Crash Course Us History: The Rise of Conservatism
In which John Green teaches you about the rise of the conservative movement in United States politics. So, the sixties are often remembered for the liberal changes that the decade brought to America, but lest you forget, Richard Nixon...
PBS
Pbs Learning Media: Crash Course Us History: Battles of the Civil War
In which John Green lists a whole lot of the battles of the US Civil War in seven and a half minutes. We get a lot of requests for military history, so we offer a list of battle names, with some commentary about outcomes and lots of...
PBS
Pbs Learning Media: Crash Course Astronomy: Introduction to Astronomy
Host Phil Plait explains the nature and origins of the field of astronomy. Learn how ancient humans observed the sky and associated the patterns they found there with farming and the seasons on Earth. Early astronomers developed an...
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Pbs Learning Media: Crash Course Astronomy: Binary and Multiple Stars
Double stars are stars that appear to be near each other in the sky, but if they're gravitationally bound together we call them binary stars. Many stars are actually part of binary or multiple systems. In some close binaries matter can...
PBS
Pbs Learning Media: Crash Course Us History: Women in the 19th Century
In which John Green finally gets around to talking about some women's history. In the 19th Century, the United States was changing rapidly, as we noted in the recent Market Revolution and Reform Movements episodes. Things were also in a...
PBS
Pbs Learning Media: Crash Course Government and Politics: Introduction
In 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...
PBS
Pbs Learning Media: Crash Course Ecology: The History of Life on Earth
Life is powerful, and in order to understand how living systems work, you first have to understand how they originated, developed and diversified over the past 4.5 billion years of Earth's history. Hang on to your hats as Hank tells us...
PBS
Pbs Learning Media: Crash Course Artificial Intelligence: Robotics #11
Robots aren't like humans who can do a lot of different things. They're designed for very specific tasks like vacuuming our homes, assembling cars in a factory, or exploring the surface of other planets. Today, we're going to take a look...
PBS
Pbs Learning Media: Crash Course Government and Politics: Party Systems
Throughout most of the United States history, our political system has been dominated by a two-party system, but the policies and groups that support these parties have changed over time. There have been five, arguably six, party systems...
PBS
Pbs Learning Media: Crash Course Government and Politics: Judicial Review
In this episode, we discuss the Supreme Court's most important case, Marbury v. Madison, and how the court granted itself the power of judicial review. Judicial review is the power to examine and invalidate actions of the legislative and...
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Pbs Learning Media: Crash Course Government and Politics: Interest Groups
In this episode, we discuss money in politics and special interest groups, and the role they play in the U.S. political system. Special interest groups are groups of individuals that make policy-related appeals to government - like the...
PBS
Pbs Learning Media: Crash Course Ecology: Community Ecology Ii: Predators
Hank gets to the more aggressive part of community ecology by describing predation and the many ways prey organisms have developed to avoid it. [10:22]
PBS
Pbs Learning Media: Crash Course Astronomy: The Gravity of the Situation
Learn how gravity plays out across the universe. In this episode, the forces of gravity at home and in space are explored. Gravity accelerates things that have mass. Objects that move along a path controlled by gravity are said to be in...
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Pbs Learning Media: Crash Course Artificial Intelligence: Web Search #17
Search engines can be the sort that serve up a list of results, like during a Google or Bing search, using web crawlers, an inverted index, and measuring stuff like click through and bounce back to figure out what you want to see. They...