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The channel was teased in December 2011, and then launched on January 26, 2012, with the first episode of its World History series, hosted by John Green. The Crash Course YouTube channel was conceived by the Green Brothers after YouTube approached them with an opportunity to launch one of the initial YouTube-funded channels as part of the platform's original channel initiative. Hank (left) and John Green (right) co-created Crash Course and hosted the initial Biology and World History series, respectively. A collaboration with Arizona State University titled Study Hall began in 2020, which includes less structured learning in its topics.
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The main channel has also begun a series of shorter animated episodes, called Recess, that focus on topics from the previous Crash Course series. The first foreign-language course, an Arabic reworking of the original World History series, is hosted by Yasser Abumuailek. A second channel, Crash Course Kids, is hosted by Sabrina Cruz and has completed its first series, Science. Together with Emily Graslie, they also co-hosted Big History. To date, there are 44 main series of Crash Course, of which John has hosted nine and Hank has hosted seven. As a result, multiple additional hosts joined the show to increase the number of concurrent series.
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In November 2014, Hank announced a partnership with PBS Digital Studios, which would allow the channel to produce more courses. The channel launched with John and Hank presenting their respective World History and Biology series the early history of the channel continued the trend of John and Hank presenting humanities and science courses, respectively. The channel launched a preview on December 2, 2011, and as of March 2022, it has accumulated over 13 million subscribers and 1.6 billion video views. Ĭrash Course was one of the hundred initial channels funded by YouTube's $100 million original channel initiative. Crash Course (sometimes stylized as CrashCourse) is an educational YouTube channel started by John and Hank Green (collectively the Green brothers), who first achieved notability on the YouTube platform through their Vlogbrothers channel.
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