Kurzgesagt which means In a nutshell from German, is a German animation and design studio founded by Philipp Dettmer. The studio's YouTube channel focuses on minimalist animated educational content, using the flat design style. It discusses scientific, technological, political, philosophical and psychological subjects. Philipp Dettmer is also the author of the book Immune. YouTuber cursor with Kurzgesagt Philipp Dettmer.