Crash Course
Crash Course History of Science #19: Biology Before Darwin
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 -...
Crash Course
Crash Course History of Science #3: Plato and Aristotle
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...
Khan Academy
Khan Academy: Ancient: Aristotle on the Purpose of Life
In this video, a philosphy student explores an approach to the question "What is the purpose of life?" developed by the Greek Philosopher Aristotle (384-322 BC). [9:07]