Scientists' representations of uncertainty / How journalists deal with scientific uncertainty / Public responses to uncertainty / Scientists, journalists, and the meaning of uncertainty / Interpreting uncertainty : a panel discussion / Popular beliefs, media, and biotechnology / Never-ending story of dioxin / Uncertain social contract : the case of human resources for science / Reporting on the changing science of human behavior / Science in the public arena : a panel discussion / Importance of understanding audiences / Effective explanation of uncertain and complex science / Using systematic thinking to choose and evaluate evidence / Beyond the basics : a roundtable discussion