This is a fun monthly lecture series featuring scientists and other experts from a variety of fields. Recent topics have included ants, earthquakes, whales, and physics 101. The location alternates between the Bazaar Cafe in the Outer Richmond and The Canvas Gallery in the Sunset. Next month the topic is vision research with Ariella Popple.
Get more info at askascientistsf.com/

Here is a link to the New York Times article about similar gatherings in cafes across the country
www.nytimes.com/2006/02/21...21cafe.html