Wo finde ich hochwertige Vorlesungen in Amerika?

Academic Earth zeigt hoch qualitative Vorlesungen (individual online lectures -Astronomy, Biology, Chemistry, Computer Science, Economics, Engineering, Entrepreneurship, History, Law, Literature, Mathematics, Medicine, Philosophy, Physics, Political Science, Pre-Med, Psycholog) von den besten Universitäten im Web dar.
Link-Tipp: https://academicearth.org