■ Bike Expo - Los Altos
See the latest in bikes (including electric bikes and adult three-wheelers) and gear, get a free helmet fitting and hear bike-safety tips from Los Altos police officers today (March 29) from 7 to 9 p.m. at Hillview Community Center, Multipurpose Room, 97 Hillview Ave., Los Altos. For more information, visit GreenTown Los Altos.
■ 'Ruth Reichl: The Intersection of Food, Culture, and History'
Author, restaurant critic and PBS host Ruth Reichl will give a talk on food and culture today (March 29) at 6 p.m. at Cubberley Auditorium, 485 Lasuen Mall, Stanford University. For more information, visit Stanford Events.