Have you ever wondered what the difference is between Great Britain, England, and the United Kingdom? Me too. As it turns out, over 6.5 million people have found the answer to that question on the YouTube channel CGP Grey. Short videos give explanations to things that people often wonder about in areas such as geography, politics, economics and more. Some popular videos on the channel include things like “Copyright: Forever Less One Day,” “The Trouble with the Electoral College,” “What is Reddit?” and “Is Pluto a Planet?” Videos have been featured on Mashable and CBS and several videos have gone viral including “How to Become Pope” and “Death to Pennies.” The following video gives an entertaining explanation of the Nocebo Effect.