Young scientists and other professionals who as students were active in Student Pugwash USA now have a means to stay involved with the Pugwash movement after they graduate. The Student Pugwash office has announced the birth of Professional Pugwash, a new arm of the movement that explores the relationship of science to society (The Scientist, April 2, 1990, page 7). While Student Pugwash is itself a spin-off of the 33-year-old Pugwash society of senior scientists and diplomats, "in senior Pugwash, you have to be asked to join; it's only for eminent scientists," says Mike Smith, Student Pugwash USA's management director. Professional Pugwash, by contrast, "is open to any nonstudent," Smith says. "You don't have to have been active in the Student Pugwash group; you don't even have to have graduated." The Student Pugwash office is now ...