Life's full of big questions: What is beauty? What is reality? And what exactly is Philosophy? Take a minute to learn about the history and types of philosophy.

How do you determine right from wrong when lives are on the line? Discover how philosophers and neuroscientists explored the ways humans make moral choices.

What does an empiricist philosopher who lived 300 years ago have to do with the scientific community of today? Quite a bit, if that philosopher is David Hume.

Want to tackle life's big questions? Think like a philosopher by learning about reflective equilibrium and how to handle discrepancies between theory and data.

What is science? In this lesson from Plato Footnote, learn how the process of discovering and understanding the natural world works, changes, and progresses.

Do you believe that science can answer moral questions? Enter the debate with this lesson from Plato Footnote, and learn about moral relativism.

What is metaphysics, and what do metaphysicians discuss? Learn about questions of existence, time, and causation, including a classic time traveller dilemma.

Is there a universal morality? And if so, is it determined by a higher god or gods? Get Plato's perspective by analyzing Euthyphro's dilemma.

Do we have free will, or do we just boil down to particles following the laws of physics? Science and philosophy collide in this discussion of reductionism.

How did philosophy become what we know it today? Get a tour (complete with map) of the history of philosophical ideas and their interaction with science.