Scientists often test the claims of astrology. Efforts to prove the claims, invariably, fall short. The one exception, according to backers of astrology, is the work of Michel and Fran?oise Gauquelin. Despite being strong critics of traditional astrology and horoscopes, the Gauquelins claim to find a correlation between the positions of planets in the heavens, the birth times of individuals, and eminence in their professional careers. They claim,...