As students get back into the routine of another school year, many will be taking advantage of the scores of experts from academia, government, and elsewhere who offer free online advice to those needing homework help--as long as the inquiring young minds are motivated by curiosity and aren't merely lazy.
One such resource is Robert Stewart, the man behind the "Ask Dr. Bob" internet service.
Stewart says he is glad to answer any questions students might have about oceans. But he draws the line when students ask him to complete entire homework assignments. When