Product Description: Throughout history, music has been an important accompaniment to other art forms, most notably drama, and to traditional rituals. Today, music dominates the arts. It is broadcast to the farthest corners of the globe by means of radio, film, television, musical theatre, and the Internet...read more

Product Description: Without chemistry, bread would not rise, cleaners would not clean, and life itself would not exist. Chemistry is the study of matter and the chemical changes that matter undergoes. The discovery of the atom and how atoms interact with one another has transformed the world...read more