“In a nation always on the go, it does seem as if the most serious intellectual production and consumption has been confined to the cloisters of higher education, where an elite professoriate soaks in high ideas in paneled seminar rooms safe from the hurly-burly of daily life. But what if a technology was able to bridge the gap, accommodating our culture’s hyperkinetic habits while also bringing to it gems of intellectual wealth from the ivory tower? To a large extent this is exactly what the best educational podcasts—which stress learning for the sake of learning—are doing.”