Motion in a Straight Line – Crash Course Physics #1

Meet Your Master – Getting to Know Your Brain – Crash Course Psychology #4

Locke, Berkeley, & Empiricism – Crash Course Philosophy #6

Leonardo DiCaprio & The Nature of Reality – Crash Course Philosophy #4

Karl Popper, Science, and Pseudoscience – Crash Course Philosophy #8

Introduction to Astronomy – Crash Course Astronomy #1

Intro to Psychology – Crash Course Psychology #1

How to Argue – Philosophical Reasoning – Crash Course Philosophy #2

How to Argue – Induction & Abduction – Crash Course Philosophy #3

Dark Energy, Cosmology part 2 – Crash Course Astronomy #43