Number of free, noncredit courses on Web increasing
Monday, January 18, 2010 - 15:49
in Mathematics & Economics
A stay-at-home mom in Maine. A physics teacher in an under-supplied school in Quito, Ecuador. A food-service-supply salesman in Lancaster, Pa., laid up for months with little to do after a hang-gliding accident. And two out-of-work West Philadelphia men looking to take an intellectual journey from their living room.