Crash Course History of Science #2: The Presocratics

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 mathematical-mystical vegetarian. And Democritus, we all know and love as the Atom Guy! Learn about their theories and what they contributed to math and science. [12:32]