Crash Course Book

[Maitane Roderiques]

Fromcourses like Astronomy to US History and Anatomy & Physiology it's got you covered with an awesome variety of AP high school curriculum topics. With various witty hosts at your service, you won't even notice you're getting smarter.

Crash Course (sometimes stylized as CrashCourse) is an educational YouTube channel started by John Green and Hank Green (collectively the Green brothers), who became known on YouTube through their Vlogbrothers channel.[2][3][4]

Crash Course was one of the hundred initial channels funded by YouTube's $100 million original channel initiative. The channel launched a preview on December 2, 2011, and as of March 2022[update], it has accumulated over 15 million subscribers and 1.8 billion video views.[5] 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.[6] In November 2014, Hank announced a partnership with PBS Digital Studios, which would allow the channel to produce more courses. As a result, multiple additional hosts joined the show to increase the number of concurrent series.

To date, there are 44 main series of Crash Course, of which John has hosted nine and Hank has hosted seven. Together with Emily Graslie, they also co-hosted Big History. A second channel, Crash Course Kids, is hosted by Sabrina Cruz and has completed its first series, Science. The first foreign-language course, an Arabic reworking of the original World History series, is hosted by Yasser Abumuailek. The main channel has also begun a series of shorter animated episodes, called Recess, that focus on topics from the previous Crash Course series. A collaboration with Arizona State University titled Study Hall began in 2020, which includes less structured learning in its topics. In 2022, a series called Office Hours began, in which hosts of previous Crash Course series and professors host a livestream and answer viewer questions. In 2024, a Lectures series began, with long-form videos enabling a deeper dive into a single topic. The channel launched its first podcast in 2024.

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.[7][8] The channel was teased in December 2011,[9] and then launched on January 26, 2012, with the first episode of its World History series, hosted by John Green.[10] The episode covered the Agricultural Revolution, and a new episode aired on YouTube every Thursday through November 9, 2012. Hank Green's first series, Crash Course Biology, then launched on January 30, 2012, with its first episode covering carbon. A new episode aired on YouTube every Monday until October 22 of that year. The brothers would then go on to end 2012 with two shorter series, with John and Hank teaching English literature and ecology, respectively.

Following their launch year, John and Hank returned in 2013 with US History and Chemistry, respectively. However, that April, John detailed that Crash Course was going through financial hardships;[11] in July, Hank uploaded a video titled "A Chat with YouTube", in which he expressed his frustration with the ways YouTube had been changing and controlling its website.[12][13] Eventually, YouTube's original channel initiative funding ran out, and shortly after Hank's video, the Green brothers decided to launch Subbable, a crowdfunding website where viewers could donate monthly to channels in exchange for perks.[14] On launching Subbable, Hank Green stated: "We ascribe to the idealistic notion that audiences don't pay for things because they have to[,] but because they care about the stuff that they love and want it to continue to grow".[14] Crash Course was the first channel to be offered on Subbable, and for a time the website crowdfunded the channel.[15] In March 2015, Subbable was acquired by Patreon, and Crash Course's crowdfunding moved over as part of the acquisition.

In May 2014, John mentioned an upcoming 10-episode Crash Course season on Big History, funded by a grant from one of Bill Gates's organizations.[16] The series outlined the history of existence, from the Big Bang forward into the evolution of life. Both Green brothers hosted the series, with Emily Graslie also participating as a guest host.[17]

In 2014, Crash Course announced a partnership with PBS Digital Studios, which began in 2015 with the Astronomy and US Government and Politics series.[18] In addition to funding the channel itself, the partnership also entails PBS Digital Studios helping Crash Course to receive sponsorships.[19] As a result of the partnership as well as John commencing a year-long hiatus from the show in 2015, additional hosts were added to increase the number of concurrent series. Though the partnership meant PBS Digital Studios would assist with the production of Crash Course, the channel continued to receive funding from its audience through Patreon.[20] In April 2015, The Guardian reported that Crash Course received $25,900 per month through Patreon donations.[20] Aside from the new series on the main channel, Crash Course Kids was launched in February on a new Crash Course Kids channel.[21] The series was hosted by Sabrina Cruz, known on YouTube as NerdyAndQuirky.[22]

On October 12, 2016, the Crash Course YouTube channel uploaded a preview for Crash Course Human Geography. Hosted by Miriam Nielsen, the course was to discuss "what Human Geography isn't, and what it is, and discuss humans in the context of their world." Two episodes were posted during each of the following two weeks; however, the videos were removed on October 27, with John Green stating on Twitter that "...we got important things wrong. We'll rework the series... And we'll bring a better series to you in a few months."[23] On October 31, John further explained that the videos were removed due to "factual mistakes as well as too strident a tone," and that the mishap was caused by a rushed production stemming from a lack of staffing and budgeting.[24] The following October, during an "Ask Me Anything" (AMA) session on Reddit, John indicated the course may not return for some time, noting that "we don't feel like we've cracked it yet."[25] The channel would go on to launch their Geography course in November 2020, intended to cover both physical and human geography over its run.

In 2017, Crash Course launched three film-related series: one covered film history, another film production, and the last of which covered film criticism.[26] Also in 2017, Thomas Frank began hosting Crash Course Study Skills, which covered topics such as productivity skills, time management, and note-taking.[27]

Starting with the Statistics course in early 2018, Crash Course series that are not PBS co-productions began to directly identify as Complexly productions. Also that year, Crash Course launched an Arabic-language edition of World History hosted by Yasser Abumuailek and produced by Deutsche Welle (DW), which was uploaded to DW's Arabic YouTube channel.[28] In July 2018, YouTube announced its YouTube Learning initiative, dedicated to supporting educational content on the platform. A few months later, as $20 million was invested into expanding the initiative, Crash Course secured additional funding via the initiative's Learning Fund program.[29][30] However, PBS Digital Studios remained one of the primary sources of funding Crash Course, and the network also continued to help in finding sponsorships for the show.[19]

The channel surpassed 1 billion video views in February 2019.[31] In July, YouTube launched Learning Playlists as a continuation of their Learning Fund initiative;[32] while videos in Learning Playlists notably lack recommended videos attached to them, in contrast to videos included in regular playlists on YouTube,[32] they also include organizational features such as chapters around key concepts and lessons ordered by difficulty. After Learning Playlists' launch, Crash Course's video content was formatted into several of these playlists.[32] The channel reached 10 million subscribers in November 2019.[33]

A collaboration with Arizona State University (ASU) titled Study Hall was announced in March 2020, which includes less structured learning in its topics. It was hosted by ASU alumni and advised by their faculty, with episodes posted on the university's YouTube channel but production and visual design by Complexly in the Crash Course style.[34] The partnership was renewed in 2022, with two new series premiering: Fast Guides is appearing on a new dedicated Study Hall channel, focusing on showing what students can expect to study in a given major; and How to College on the main Crash Course channel, showing the process of choosing, applying for, and starting at a given institution.[35]

In January 2023, Crash Course announced that they would be offering college courses on YouTube, in continued partnership with ASU and Google. The course content would be available online for free, with the full online course available through ASU for US$25, which would be led by ASU faculty and include direct interaction. Students would then have the option to spend US$400 to receive college credit for the course that would be transferable to any institution that accepts ASU credits.[36][37][38][39]

Every year we have a big pitch meeting to determine what courses and things we're going to do the next year. In that meeting, we talk about a number of different things, but the rising question that motivates that meeting and then down the line as we're making decisions about what we're doing is what we think would be most useful for people.[19]

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