Our guest Bruce Lewenstein is a professor in the Departments of Communication and of Science and Technology Studies at Cornell University. A historian and social scientist, his main focus is the public understanding of science. He and Chris discuss studying scientific controversies and the essential importance of listening to and understanding what a community values in order to work with that community.

Bruce Lewenstein is an authority on public communication of science and technology, how science and technology are reported to the public and how the public understands controversial scientific issues and "emerging technologies" such as biotechnology and nanotechnology. Trained as a historian of science, he often uses historical case studies in his research. He has also done extensive work evaluating "citizen science" outreach projects, in which citizens fully participate in the scientific process by gathering, entering and sometimes analyzing scientific data. In recent years, he has helped connect the "public communication" field with the "learning sciences" field, especially around issues of public engagement in science. He works frequently with scientists learning more about public communication of science and technology.