■ Lecture: Barbara Strauch
Health writer Barbara Strauch, author of "The Secret Life of the Grown-up Brain" and "The Primal Teen," will discuss the challenges and opportunities of an aging population today (Sept. 29) at 3:30 p.m. at Bechtel Conference Center, Encina Hall, 616 Serra St., Stanford. For more information, visit Stanford.
■ Author: Bo Caldwell
Bo Caldwell presents "The City of Tranquil Light," a book about a young marriage set against the backdrop of the shifting face of a nation, today (Sept. 29) at Books Inc., 301 Castro St., Mountain View. For more information, visit Books Inc.