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Ecology: Crash Course History of Science
We’ve explored the origins of modern biology, the earth sciences, and even the sciences of outer space. Now it’s time to put these disciplines together. It's Ecology time!!!
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Genetics and The Modern Synthesis: Crash Course History of Science
Remember how Darwin and Mendel lived around the same time, but everyone forgot about Mendel until 1900, and even then biologists saw Darwinism and Mendelism as two competing grand theories about how life works? Well, in this episode of...
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The Computer and Turing: Crash Course History of Science
Computers and computing have changed a lot over the History of Science but ESPECIALLY over the last 100 years. In this episode of Crash Course History of Science, we have a look at that history around World War Two and how that conflict...
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The Atomic Bomb: Crash Course History of Science
The story picks up where we left off last time, with Einstein writing the president of his new homeland, the United States, urging him to build a nuclear weapon before Hitler. This is the tale of the most destructive force humans have...
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Einstein's Revolution: Crash Course History of Science
There was physics before Einstein in the same way that there was biology before Darwin. Einstein didn’t just add some new ideas to physics. And he didn’t just add a unifying framework for doing physics, like Newton. Einstein took what...
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The Presocratics: Crash Course History of Science
The Presocratics: Crash Course History of Science #2
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Intro to History of Science: Crash Course History of Science
Intro to History of Science: Crash Course History of Science #1
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Crash Course History of Science Preview
For as long as Hank has hosted Crash Course, he's wanted to host a series about the history of science. We've been asking big questions for a really long time and we've all wanted to explore how we've sought to answer those questions...
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Electricity: Crash Course History of Science
The study of electricity goes all the way back to antiquity. But, by the time electricity started to become more well known, a few familiar names started to appear. Edison, Galvani, and a few others really changed the way the world worked.
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Genetics - Lost and Found: Crash Course History of Science
Sometimes trail blazers of science aren't famous like Darwin or Pasteur. Sometimes they're humble Abbots, just growing peas in the back of their Abbey. This is the story of Gregor Mendel and how his work was done, lost, then found again.
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Micro-Biology: Crash Course History of Science
It's all about the SUPER TINY in this episode of Crash Course: History of Science. In it, Hank Green talks about germ theory, John Snow (the other one), pasteurization, and why following our senses isn't always the worst idea.
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Eugenics and Francis Galton: Crash Course History of Science
After Darwin blew the doors off the scientific community, a lot of people did some weird and unscientific stuff with his ideas. Francis Galton and a few others decided natural selection could be used to make the human race "better" and...
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The Industrial Revolution: Crash Course History of Science
You probably know some of the signs of industrialization in the nineteenth century: Trains connected cities, symbolizing progress. But they also brought about the destruction of rural lands, divisions between social classes, and rapid...
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Earth Science: Crash Course History of Science
It's Earth Science time!!!! In this field, natural philosophers were asking questions like, what’s up with fossils? Are they the remains of extinct organisms? Or are they so-called “sports of nature”—rocks that just happen to look like...
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Biology Before Darwin: Crash Course History of Science
You’ve probably heard of Charles Darwin, but before we get to him, you really need to understand how different people, throughout the seventeenth and eighteenth centuries, tried to answer the same question: “what is life?”
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The New Chemistry: Crash Course History of Science
One of the problems with the whole idea of a single Scientific Revolution is that some disciplines decided not to join any revolution. And others just took a long time to get there.
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Newton and Leibniz: Crash Course History of Science
The standard story of the Scientific Revolution culminates with the long life of one man: Sir Isaac Newton—a humble servant of the Royal Mint, two-time parliamentarian, and a scientific titan whose name, along with Einstein’s, is...
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The Columbian Exchange: Crash Course History of Science
Over the last four episodes, we’ve examined some of the stories that make up the idea of a “revolution” in knowledge-making in Europe. But we can’t understand this idea fully, without unpacking another one—the so called Age of...
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The New Anatomy: Crash Course History of Science
There’s a question to consider that’s pretty daunting: what is life? And to try to answer that question, three tools stand out as being especially useful: A book, some experiments, and the microscope! In this episode, Hank talks to us...
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Introduction to Crash Course Navigating Digital Information #1
We love the internet! It's a wealth of information where we can learn about just about anything, but it's also kind of a pit of information that can be false or misleading. So, we're partnering with Mediawise and the Stanford History...
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Ragnarok: Crash Course World Mythology
Ragnarok! It's the end of the world, Norse style. It's got everything you want in an apocalypse. Earthquakes, destruction, armies of the dead, a giant evil wolf, giants with flaming swords, and a kind of happy ending. It's got it all....
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The Vikings! - Crash Course World History 224
In which John Green teaches you about Vikings! That's right, one of our most requested subjects, the Vikings, right here on Crash Course. So what's the deal with Vikings? Well, the stuff you've heard about them may not be true. The...
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The Norse Pantheon: Crash Course World Mythology
This week, we're headed north. To check out the gods of the Northmen. Or the Norse. That's right, we're talking Thor, Loki, Freyr, Freya, Odin, Frigg, Baldr, and Tyr. And Fenrir. And the Frost Giants. There's a lot to cover here, and...
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The Persians & Greeks: Crash Course World History
In which John compares and contrasts Greek civilization and the Persian Empire. Of course we're glad that Greek civilization spawned modern western civilization, right? Maybe not. From Socrates and Plato to Darius and Xerxes, John...