How did ancient civilizations in America develop their culture and knowledge base without any contact with the peoples of Africa, Asia, or Europe? This is a story about the planet Venus, breathtaking pyramids, and intricate calendars....

You might recognize the names of some of the Greek philosophers, but they weren't the only people making knowledge in ancient times. This Crash Course video discusses Indian contributions to philosophy, math, medicine, and astronomy....

In this episode of Crash Course, you are introduced to Socrates and his two important students, Plato and Aristotle. Learn about their different philosophies and the contributions they made to science. Are you a Platonist or...

Meet the Presocratics in this Crash Course video. 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 a...

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?" and "Where are we?" have inspired people all over...

The Romans developed a lot of infrastructure like roads and aqueducts to both help their cities flourish and to be better at war. But the interesting thing about Roman Engineering is how it was almost all focused on technological...

After Darwin introduced the world to the science of evolution, his cousin put his own spin on these theories. Francis Galton decided natural selection could be used to make the human race "better" and came up with Eugenics which led to...

The religion of Islam significantly influenced knowledge-making in the greater Mediterranean and western Asian world. Islamicate scholars gave us terms such as algebra, algorithm, alcohol, and alkali. We'll dive into Islamic medicine and...