Yale is one of the USA’s top universities, and they have a great selection of lectures and materials from their own courses on offer for free online. No registration is required – each course includes a series of video lectures and other problem tasks, further reading suggestions etc. Options range from African-American History to Geophysics to Cellular Biology to¬†Portuguese Language, with lots in between. If you like these short university style courses, you could also check out edX, FutureLearn and Coursera.

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