Crash Course
Compression: Crash Course Computer Science
So last episode we talked about some basic file formats, but what we didn’t talk about is compression. Often files are way too large to be easily stored on hard drives or transferred over the Internet - the solution, unsurprisingly, is...
Crash Course
Social Policy: Crash Course Government and Politics
Today, 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...
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Biomedicine: Crash Course History of Science
The history of science up until the Cold War is often overshadowed by the Manhattan Project. But, today we are going to talk about advances in biomedicine, or healthcare based on a biological understanding of human bodies and diseases.
Crash Course
Nebulae
Astronomers study a lot of gorgeous things, but nebulae might be the most breathtakingly beautiful of them all. Nebulae are clouds of gas and dust in space. They can glow on their own or reflect light from nearby stars. When they glow...
Crash Course
Open World Games: Crash Course Games
Today we're going to talk about open world games. Open world games are different than most video games because although they often have goals and tasks, they usually encourage what is known as ��_emergent stories.��_ These are...
Crash Course Kids
Why No Polar Pineapples
Plants 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...
Crash Course
Structure of the Court System: Crash Course Government and Politics
This week Craig Benzine is going to talk about the structure of the U.S. court system and how exactly it manages to keep things moving smoothly. We’’ll talk about trial courts, district courts, appeals courts, circuit courts, state...
Crash Course
Respiratory System, part 1: Crash Course A&P
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, and continuing to the mechanics of both simple...
Crash Course
How Does Language Move? Crash Course Geography
While we can’t explore every cultural trait in the world, language is an important system of spoken, signed, or written symbols humans use to express themselves. It’s a major marker of identity that often unites members of the same...
Crash Course
Due Process of Law: Crash Course Government and Politics
This week Craig is going to continue our discussion of due process. Technically, we started last week with the 4th amendment and search and seizure, but this week we’re going to look at the 5th and 6th amendments and how they ensure a...
Crash Course
What Are Glaciers? Crash Course Geography
Today we’re going to talk about glaciers. These behemoth globs of compressed ice and snow moving across the land created fertile soils and physical features while also serving as frozen time capsules. They recorded both Earth’s climatic...
Crash Course
Comparative Anatomy: What Makes Us Animals - Crash Course Biology
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.
Crash Course
Cheese, Catastrophes, & Process Control: Crash Course Engineering #25
Engineering, like life, could really use a lot more cheese. This week we are looking at a cheese factory in Toronto and what it can teach us about process control systems. We’ll explore feedforward and feedback systems, and see how...
Crash Course Kids
What's an Engineer?
You've heard of Engineers, I'm sure. But, what are Engineers? Well, it turns out that they're all kinds of people doing all kinds of neat work! Want to be one? Well, join Sabrina in this episode of Crash Course Kids where she talks about...
Crash Course
Medieval China: Crash Course History of Science
Like Egypt, Sumer, and Mesoamerica, ancient China represents a hydraulic civilization—one that maintained its population by diverting rivers to aid in irrigation—and one that developed writing thousands of years ago. Today, we’re going...
Crash Course
The Protestant Reformation: Crash Course European History
You may have noticed that the internet is terrible at religious discourse. Well, this is not a new phenomenon. In the early 16th century, the Roman Catholic church dominated Christianity in Europe, and the institution was starting to...
Crash Course
Dark Matter
Today on Crash Course Astronomy, Phil dives into some very dark matters. The stuff we can actually observe in the universe isn’t all there is. Galaxies and other large structures in the universe are created and shifted by a force we...
Crash Course
The Skeletal System: It's ALIVE! - CrashCourse Biology
Hank introduces us to the framework of our bodies, our skeleton, which apart from being the support and protection for all our fleshy parts, is involved in many other vital processes that help our bodies to function properly.
Crash Course
Haitian Revolutions: Crash Course World History
Ideas like liberty, freedom, and self-determination were hot stuff in the late 18th century, as evidenced by our recent revolutionary videos. Although freedom was breaking out all over, many of the societies that were touting these ideas...
Crash Course
100 Years of Solitude Part 1: Crash Course Literature 306
Our first of two episodes about Gabriel Garcia Marquez's novel, 100 Years of Solitude. This week, we're looking at the Buendia family, and their many generations of people with the same names. We'll also look at the fascinating way the...
Crash Course
Why is There Uneven Access to Food? Crash Course Geography
Food insecurity, or the lack of access to enough nutritious food, is a complex problem. In the 21st century, even with all of our advances in technology, access to food is still uneven. Today we're going to look at the diffusion of food...
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Biochemical Building Blocks & Fischer and Haworth Projections: Crash Course Organic Chemistry
Although we've spent a lot of time in this series looking at human-made organic chemicals, the term "organic chemistry" was originally used to describe molecules isolated from living things. In this episode of Crash Course Organic...
Crash Course Kids
A Case of 'What-Ifs'
Variables: What are they? In the case of engineering, variables are a condition or value that can change. Sometimes we control a variable, sometimes we don't. In this episode of Crash Course Kids, Sabrina chats to us about how variables...
Crash Course
Educational Technology: Crash Course Computer Science
Today we’re going to go a little meta and talk about how computer science can support learning with educational technology. We here at Crash Course are big fans of interactive in-class learning and hands-on experiences, but we also...