Crash Course

Crash Course is an educational YouTube channel (sometimes stylized as Crash Course) started by the Green brothers (Hank Green and John Green), who are arguably most notable for their VlogBrothers channel.[1][2][3] Crash Course was one of the 100 initial channels of YouTube's $100 million original channel initiative. Crash Course launched a preview on December 2, 2011. As of 24 October 2014, the Crash Course YouTube channel has earned over 2.3 million subscribers and over 146 million video views.[4] John and Hank present humanities and science courses to viewers, respectively.[5] Currently there are eight seasons of Crash Course, Hank has hosted four and John has hosted three, the latest, Big History is co-hosted between the two. http://en.wikipedia.org/wiki/Crash_Course_%28YouTube%29