Have you ever wondered what other academics tell their classes? The site has "thousands of video lectures from the world's top scholars". Subjects covered include astronomy, chemistry, computer science, engineering, mathematics and physics.

Academic Earth is an organization founded with the goal of giving everyone on earth access to a world class education. The website lists both participating universities and instructors whose lectures are available. The current top-rated lectures include Walter Lewin's (MIT) 'Buoyant force and Bernoulli's equation' and Arthur Mattuck's 'Euler's Numerical Method for y'=f(x,y) and its Generalizations' amongst others.