Abstract
In this case study, students grapple with the complex issues surrounding the use of DDT to control malaria in the developing world. In their examination of the issue, students consider risk/benefit analysis and the precautionary principle, two techniques used when making policy decisions involving the impact of science and technology on society. The case has been used in a senior honors seminar for both majors and non-majors dealing with the nature and impact of science and technology on society as well as in an organic chemistry course for science majors.