'Fenway and the New Generation of Ballparks'

In conjunction with its "Baseball as America" exhibition, the Museum of Science is holding a talk tonight by Janet Marie Smith, senior vice president of ballpark planning and development for the Red Sox. Smith's talk, "Fenway and the New Generation of Ballparks," will focus on how ballparks have been preserved and how they've evolved over the years. 6:30 p.m. Free. Museum of Science, Science Park, Boston. 617-723-2500. mos.org/adults