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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.
A 16th-century illustration of Nahuas infected with smallpox.. In epidemiology, a virgin soil epidemic is an epidemic in which populations that previously were in isolation from a pathogen are immunologically unprepared upon contact with the novel pathogen. [1]
The Khan Academy website also hosts content from educational YouTube channels and organizations such as Crash Course and the Museum of Modern Art. [30] It also provides online courses for preparing for standardized tests, including the SAT , AP Chemistry , Praxis Core and MCAT [ 31 ] and released LSAT preparation lessons in 2018. [ 32 ]
Multiple hosts and courses; see main article. Crash Course is an educational YouTube channel providing many courses of study, often based around the AP curriculum of a given subject. The level of study matches that of high school or early college, but the content is available for all ages. Many courses are co-produced with PBS Digital Studios.
The B.C. Open Collection by BCcampus is a curated selection of OER that includes courses and textbooks that must meet quality criteria for it to be added to the collection. [43] The MERLOT Collection is a curated resource of free and online textbooks and other resources for use in teaching and learning. Many resources undergo an extensive peer ...
Earlier this month, Fed Chair Jerome Powell said rate cuts may slow over the course of 2025. Such a policy would leave mortgage rates higher for longer, experts said. Such a policy would leave ...
A portion of the expense of college textbooks is offset by the easy access to material provided by open source textbooks. While certain open source textbooks can be used for free, others have a nominal usage fee. A digital copy of a printed book that can be read on computers, tablets, and smartphones is called an electronic book, or ebook for ...