The Joy of Science is a popular video and audio course series, consisting of 60 lectures, each 30 minutes long, presented by Robert Hazen of the George Mason University and the Carnegie Institution of Washington. The course, first introduced in 2001, is part of The Great Courses series, and is produced and distributed by The Teaching Company, located in Chantilly, Virginia, in the United States.[1][2][3][4][5][6][7]