In which John Green teaches you about the Holy Roman Empire by teaching you about Charles V. Charles Hapsburg was the holy Roman Emperor, but he was also the King of Spain. And the King of Germany. And the King of Italy and the Lord of...

In which John Green teaches you about Imperialism, but not from the perspective of the colonizers. This week John looks at some Asian perspectives on Imperialism, specifically writers from countries that were colonized by European...

In 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...

In which John Green talks about the methods of writing history by looking at some of the ways that history has been written about the rise of the West. But first he has to tell you what the West is. And then he has to explain the Rise of...

In which John Green teaches you about how Islam has interacted with politics during it's history, and how it continues to do so today. Islamist movements are in the news a lot lately, but how did that happen. John will point out that...

When exactly did we start drinking other things, and why? To find out, we have to look at the world’s oldest beverages – which might not be what you expect.

One day around 15,000 years ago, a wall of ice 2,000 feet tall and 30 miles wide suddenly broke wide open, and it unleashed the largest flood that we know of in the history of Earth. Come and hit the road with me as we search for the...

About 1.8–0.8 billion ago, the Earth went through a period known as the Boring Billion, where not a lot changed in terms of geology, evolution, or even the number of hours in a day. Some scientists call it “the dullest period in Earth’s...

We know what the dinosaurs looked like thanks to fossils, but have you seen some of these wild creatures? Join Michael Aranda for a new episode of SciShow and take a closer look at some of the strangest-looking animals evolution has...

Today, penguins are found mainly in the Southern Hemisphere. But fossils have revealed giant lookalikes to these swimming birds further up north, spurring questions of how they evolved and what happened to them.

The coelacanth, a prehistoric fish that was mistakenly thought to have gone extinct at the same time as the dinosaurs, has managed to stick around our seas for 360 million years. Erin Eastwood details the surprising "back from the dead"...

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.

Hank talks about ancient sexy times, and how we know that early humans were getting it on with all kinds of folks.

Wouldn’t it be cool to be able to point at a fossil and know that it’s the first, say, plant? Well... yeah! But it's not that easy! Scientists are always making new discoveries that throw all our old assumptions into...

Scientists uncover largest collection of dinosaur footprints ever foundASSOCIATED PRESS, TORO TORO NATIONAL PARK

Every spring, the beaches of Delaware Bay play host to one of the world’s wildest parties. Millions of prehistoric crabs (and hundreds of thousands of birds) converge here. These horseshoe crabs spend most of their lives in the ocean...

A naturally occurring thick brown liquid, composed of a mix of hydrocarbons, and usually found deep underground.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning...

An introduction to the ‘mammal-like reptiles’ that walked the Earth millions of years before the dinosaurs – and from which all modern-day mammals would eventually evolve. Biology - Animal Kingdom - Learning Points. Early reptiles split...

Fossil fuels are a finite energy source. How long will they last, and why is it so difficult and costly to extract these fuels from beneath the earth and oceans? Earth Science - Earth's Resources - Learning Points. Fossil fuels are...

Where does our natural gas, coal and oil actually come from? Discover the processes that created our modern fossil-fuel reserves, which began millions of years ago. Earth Science - Earth's Resources - Learning Points. Fossil fuels are...

Find out how the fossils found in 124-million-year-old sedimentary rocks are revealing new information about evolution.
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Material processes - Classifying mat
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A Twig Tidbit Film - Clip....

Discover how the lives of humans were transformed by the invention of the electric light bulb.
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Physical processes - Light -


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Learning Points
The Sun a
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See the fossilised footprints of the first bird and discover how remains of organisms have been preserved for 150 million years.
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Learning...

Israel, Prehistoric sites