Just what are Neurotransmitters? In this episode of Crash Course Psychology, Hank takes us to the simplest part of the complex system of our brains and nervous systems; The Neuron.

Crash Course Psychology Hank and John Green - brothers, vloggers, novelists, and convention founders - produce and star in a number of video series teaching a variety of topics including history ...

This short video, then, provides a whistlestop tour of the current state of psychology—the study of our complex mental functions and behaviors.

Hi, I'm Carrie Anne, and welcome to Crash Course Computer Science! So, over the course of this series, we've focused almost exclusively on computers - the circuits and algorithms that make them tick.