Crash Course History of Science

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Intro to History of Science
Episode overview
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 through the centuries. Questions like, "What is stuff?" .. show full overview
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The Presocratics
Episode overview
Long ago, some philosophers worked very hard to separate myths from what they actually knew about nature. Thales theorized that everything in the world is made of water. Pythagoras was .. show full overview
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Plato and Aristotle
Episode overview
Last week, we met the Presocratics: despite having by any reasonable standard invented science in Europe, these thinkers are lumped together today as simply “not Socrates.” So who was .. show full overview
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India
Episode overview
You might have recognized the names of some of the Greek natural philosophers. They were individuals with quirky theories, and we have records about them. But they weren’t the only .. show full overview
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The Americas and Time Keeping
Episode overview
In this episode of Crash Course History of Science, we travel to the Americas to ask the question, "When are we?" and get some answers. We'll look at the Maya, Inca, and Olmec civilizations and how they recorded their science.
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Roman Engineering
Episode overview
The Romans developed a lot of infrastructure like roads and aqueducts to both help their cities flourish and to... you know... be better at war. But the interesting thing about Roman .. show full overview
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The Medieval Islamicate World
Episode overview
The religion of Islam significantly influenced knowledge-making in the greater Mediterranean and western Asian world. Islamicate scholars—meaning people influenced by Islamic .. show full overview
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Medieval China
Episode overview
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 .. show full overview
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Ancient & Medieval Medicine
Episode overview
The history of medicine is about two of our big questions: one, what is life? What makes it so special, so fragile, so… goopy!? Two, how do we know what we know? Why should I take my .. show full overview
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Alchemy
Episode overview
n fantasy stories, charlatans in fancy robes promise to turn lead into gold. But real alchemists weren’t just mystical misers. They were skilled experimentalists, backed by theories of .. show full overview
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Cathedrals and Universities
Episode overview
Until roughly 1100, there were relatively few places of knowledge-making. Monasteries and abbeys had special rooms called scriptoria where monks copied manuscripts by hand. But the .. show full overview
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The Scientific Revolution
Episode overview
So, what exactly is a scientific revolution? And are they more than just moments in time Historians use to mark the beginning and ending of things through time? In this episode we'll .. show full overview
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The New Astronomy
Episode overview
This week on Crash Course: History of the Scientific Revolution—astronomical anomalies accrued. Meanwhile, in Denmark—an eccentric rich dude constructed not one but two science castles! .. show full overview
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The Scientific Methods
Episode overview
Historically speaking, there is no one scientific method. There’s more than one way to make knowledge. In this episode we're going to look at a few of those ways and how they became more of the "norm."
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The New Anatomy
Episode overview
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 .. show full overview
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The Columbian Exchange
Episode overview
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 .. show full overview
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Newton and Leibniz
Episode overview
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 .. show full overview
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The New Chemistry
Episode overview
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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Biology Before Darwin
Episode overview
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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Earth Science
Episode overview
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 .. show full overview
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The Industrial Revolution
Episode overview
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 .. show full overview
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Darwin and Natural Selection
Episode overview
"Survival of the Fittest" sounds like a great WWE show but today we're talking about that phrase as it relates to Charles Darwin and Alfred Wallace. Darwin and Wallace are at the heart .. show full overview
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Eugenics and Fracis Galton
Episode overview
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 .. show full overview
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Micro-Biology
Episode overview
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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Genetics - Lost and Found
Episode overview
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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Thermodynamics
Episode overview
It's time to heat things up! LITERALLY! It's time for Hank to talk about the history of Thermodynamics!!! It's messy and there are a lot of people who came up with some ideas that worked .. show full overview
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Electricity
Episode overview
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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Ford, Cars, and a New Revolution
Episode overview
Historians love to debate each other. So some of them pointed out that the first half of this revolution looks a lot different from the second. Let's chat about industry, cars, and Henry Ford.
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Cinema, Radio, and Television
Episode overview
Radio, Cinema, and Television have been staples in news coverage, entertainment, and education for almost 100 years. But... where did they all come from? Who started what and when and .. show full overview
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The Mind/Brain
Episode overview
Scientists in the nineteenth century discovered a lot about life and matter. But exactly what kind of stuff is the human brain? That one was—and is—tricky. The brain sciences—with .. show full overview
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Marie Curie and Spooky Rays
Episode overview
It's time to talk about one of the most awesome scientists that has ever been awesome: Marie Curie. She figured out ways to get an amazing education despite the limitations of her .. show full overview
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Einstein's Revolution
Episode overview
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 .. show full overview
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The Atomic Bomb
Episode overview
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 .. show full overview
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Biomedicine
Episode overview
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.
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Genetics and The Modern Synthesis
Episode overview
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 .. show full overview
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The Computer and Turing
Episode overview
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 .. show full overview
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Air Travel and The Space Race
Episode overview
Like the Industrial or the Einsteinian Revolution, the Space Race is a trope, or way of organizing historical events into a story that makes sense. In this story, the two great powers .. show full overview
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Ecology
Episode overview
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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Controlling the Environment
Episode overview
Well, it wouldn't be too long after we started developing Ecology that we would try to control the environment. In some ways this was helpful and likely prevented a lot of people from starving. But, there have been a few downsides.
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Biotechnology
Episode overview
The history of discovering what DNA is, what it looks like, and how it works is... complicated. But, in this episode of History of Science, Hank Green does his best to lay out the basics so we can understand the beginnings of Biotechnology.
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Bodies and Dollars
Episode overview
After World War Two, the applications of basic discoveries in biology took off—and became big business. Today, we’ll look at the rise of Big Pharma and GMO foods. We’ll also discuss how .. show full overview
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The Century of the Gene
Episode overview
With the question “What is life?” addressed at the molecular level, humanity could finally cure all disease and live forever… Except, not really. It turns out we're complicated.
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The Internet and Computing
Episode overview
We’ve talked a lot about advances in biotech. But none of those could have happened without advances in computing. It’s time to get back to data and explore the unlikely birth, strange .. show full overview
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Life and Longevity
Episode overview
It's time to have a look at the future of human life and how technology could possibly extend longevity. But, within that tech, are questions of ethics that are not always at the top of .. show full overview
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Climate Science
Episode overview
Scientists tend to be careful and resistant to big claims. So evidence for the possible end of the living world took a while to be seen as such. In this episode of Crash Course History .. show full overview
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The Limits of History
Episode overview
It's the final episode of our History of Science series and we thought it would be good to talk a little about some of the people we couldn't get to and some of the reasons we need to .. show full overview

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