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Crash Course · Encyclopedia

Crash Course is a substantial educational YouTube channel founded in 2011 by John Green (the substantial young-adult-fiction author of The Fault in Our Stars and Looking for Alaska) and Hank Green (the substantial science-and-technology YouTuber and entrepreneur, plus broader Vlogbrothers content creator), focused on producing comprehensive structured educational courses covering high-school-and-undergraduate subject areas. The channel has accumulated ~16+ million subscribers as of 2024 with substantial subject-area expansion across approximately 50+ comprehensive courses.\n\nThe pedagogical approach combines substantial expert-host-led course delivery (with John Green hosting World History, U.S. History, Literature, Anatomy and Physiology; Hank Green hosting Biology, Ecology, Anatomy and Physiology; plus the broader Crash Course host network with subject-specialist hosts including Phil Plait for Astronomy, Craig Benzine for U.S. Government, Robert McCloskey for Mythology, Adriene Hill for Sociology) plus substantial animation-and-graphics production. Major Crash Course series have covered World History, U.S. History, Biology, Chemistry, Physics, Anatomy and Physiology, Astronomy, Computer Science, Statistics, Economics, Philosophy, Psychology, Sociology, Literature, Mythology, Government, Big History, Black American History (the substantial 2021 series), AI Literacy (post-2024 series), plus broader 50+ course-clusters.\n\nFor a globally-mobile professional with general-education-supplementation interests, Crash Course provides substantive accessible high-school-and-undergraduate-level content with substantial production-quality. Indian-learner engagement is substantial particularly among Indian English-speaking high-school-and-college students plus the substantial broader Indian competitive-examination-preparation community. The Crash Course brand has substantial PBS Digital Studios distribution partnership plus the substantial post-2020 expansion of Crash Course-licensed content into formal-education channels including substantial deal with Arizona State University (the post-2018 Study Hall partnership offering Crash Course-based ASU credits).