Virtual Ph.D.

Your Virtual Ph.D. - Popular Science

Want to master a new computer language? Brush up on your calculus? Learn how to fix your car? No sweat. With the vast array of college courses and podcasts available online, the apple of knowledge is ripe for the clicking. Here, we've narrowed the options to our favorites—the best of the geeky best, from free podcasts and lectures to accredited distance-learning programs from major universities.

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