S. James Gates of Brown Theoretical Physics Center on "Proving Einstein Right: The Daring Expeditions that Changed How We Look at the Universe." Tim Gordon of the Univ of Exeter on reef noise. Rose Sokol-Chang of the American Psychological Association on why kids whine. Cutcha Risling Baldy of Humboldt State Univ on native lands. B. Chris Brewster of the International Life Saving Federation on lifeguards. Mike Joner of Brigham Young Univ on Apollo 12.