Monthly themed talks on San Francisco history are held the last Tuesday (except December) at Newman Hall; $10 general admission, free for SFHA members.
Science@Cal offers free monthly public science lectures at UC Berkeley on the third Saturday at 11 am in 159 Mulford Hall; seating is first-come, first-served.
Science@Cal hosts free public science lectures every third Saturday of the month. The talks feature esteemed UC Berkeley scientists and target general audiences.