Crash Course and is the brain-child of vlogbrothers Hank and John Green. It is a YouTube channel that addresses a wide variety of topics. While John covers the historical and literature side, brother Hank covers the science side. Each “Crash Course” video is 10-15 minutes long and quick a succinct recap of concepts you would cover in one of your classes. Each video is very well done and tries to meet students at their level. After forming a partnership with PBS Digital Studios, Crash Course