Truth and Objectivity, part 2: Trust: A Social History of Truth . Civility and Science in Seventeenth-Century England. Steven Shapin. University of Chicago Press, Chicago, 1994. xxxii, 483 pp., illus. $29.95 or £23.95. Science and Its Conceptual Foundations.; Trust in Numbers . The Pursuit of Objectivity in Science and Public Life. Theodore M. Porter. Princeton University Press, Princeton, NJ, 1995. xiv, 311 pp. $24.95 or £19.95.