Cochair, All About Science: Philosophy, History, Sociology & Communication, Lisbon, Portugal, Nov. 21-23, 2011.
Cochair, Arts and Science, Estoril, Portugal, Oct. 5-7, 2009.
Cochair, First International Conference on Science Matters: A Unified Perspective, Ericeira, Portugal, May 28-30, 2007.
Member, Steering Committee, Workshop on Modeling Complex Systems, Reno, Nevada, November 20-21, 2002.
Cochair, International Conference on Pattern Formation and Self-Organization in Nonlinear Complex
Systems, Beijing, China, June 11-15, 2001
International Advisory Committee member, International Conference on Science Communication, Beijing, China, November 5-9, 2000.
Cochair, Workshop on Soft Matter, Beijing, China, June 19-28, 2000
Cochair, First International Conference on Complex Systems in Computational Physics, Buenos Aires, Argentina, October 18-22, 1993.
Cochair, Novel Laser Sources and Applications, San Jose, California, Nov. 12-13, 1993.
Cochair, Modeling Complex Phenomena, San Jose, California, April 12-13, 1991.
Director, Nonlinear Dynamical Structures in Simple and Complex Liquids, NATO Advanced Research Workshop, Los Alamos, New Mexico, June 1990 (Codirectors: G. Ahlers and F. Dowell).
Chair, Instabilities and Propagating Patterns in Soft Condensed Matter, Symposium of APS March Meeting, Anaheim, California, March 1990.
Codirector, Winter School on Nonlinear Physics, San Jose, California, Jan. 1990 (other codirector: M. Nauenburg).
Cochair, Nonlinear Structures in Physical Systems: Pattern Formation, Chaos and Waves, San Jose, Nov. 1989.
Chair, Optics and Applications of Liquid Crystals, Symposium of APS March Meeting, San Louis, March 1989.
Science and Society Seminars (given in colleges and high schools)
When Life’s Tape is Replayed
Understanding the Real World
Does God Exist?
What Happened to My New Book?—The Birth of a Possible Research Project
Chien-Shiung Wu: The First Woman President of the American Physical Society