It's time to talk about one of the most awesome scientists: Marie Curie. She figured out ways to get an education despite limitations of her homeland, was the first woman to win a Nobel Prize, and was the first person to win two Nobel...

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! This video explores the different theories on the brain and human behavior...

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 why? In this episode, Hank Green talks to us about their...

Historians love to debate each other. One such debate is over the Industrial Revolution. The argument is that the first half of the Industrial Revolution was markedly different from the second half. See what you think after you watch...

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, Ohm, Ampere, Volta, and a few others really changed the...

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 and others that didn't and then some ideas that...

Sometimes trailblazers 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....

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. [12:11]

Darwin and Wallace are at the heart of understanding evolution and natural selection. Watch as Hank talks about their wonderful (if not seasick-inducing) trips around the world and how theories of evolution "evolved" through history....

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...

How did scientists figure out the age of the earth? Trace the history of Earth Science and the developments scientists made in determining the earth's geologic eras. Scientists asked such questions like, what's up with fossils? Are they...

You've probably heard of Charles Darwin, but how did scientists before him form their theories about life, evolution, and extinction? Learn how different people in the seventeenth and eighteenth century tried to answer the question -...

The Scientific Revolution in Chemistry did not begin until the 1770s. Trace the developments in Chemistry from the Phlogiston Theory to the New Chemistry in this video. Learn how chemistry became more quantitative and less qualitative...

Who do we have to thank for inventing calculus? Whether you love or hate it, the credit goes to two people - Sir Isaac Newton and Gottfried Wilhelm von Leibniz. Learn about their myriad of accomplishments in science and math during the...

Revolution in Europe during the 1400s through the 1700s came in many forms - political, cultural, religious, and scientific. But we can't fully understand this idea without "exploring" another one - the so-called Age of Exploration. This...

What is life? To try to answer that question, three tools stand out as being especially useful: A book, some experiments, and the microscope! In this video, trace the history of different theories about how our body works. [12:15]

Historically speaking, there is no one scientific method. There's more than one way to make knowledge. In this episode, learn about three scientists and the methods they pioneered. Galileo's focus on rational comparison of theories about...

This is the story of Tycho Brahe and Johannes Kepler and the contributions they made to the field of Astronomy. They synthesized a lot of new, old, and bold astronomical ideas into a single sun-centered, eccentricity-positive system....

So, what exactly is a scientific revolution? Is it more than just moments in time Historians use to mark the beginning and ending of things through time? In this video, explore some ideas and how they fit into science and the search to...

Until roughly 1100, there were relatively few places of knowledge-making in Medieval Europe. Monasteries and abbeys had special rooms called scriptoria where monks copied manuscripts by hand, but the biggest places where knowledge was...

In fantasy stories, charlatans in fancy robes promise to turn lead into gold. But real alchemists weren't mythical misers, they were skilled experimentalists backed by theories of matter. They played a huge role in the development of...

This episode of Crash Course History dives into how the knowledge of healing and medicine evolved over time. The history of medicine is about two of our big questions. One - What is life? And two - how do we know what we know? Take a...

This video explores the technological advancements in Medieval China, specifically the achievements of Northern and Southern Song Dynasties - a time of great technical innovation. Take a tour through the ages and explore key elements of...