Alcatraz Gardens Class Series: Building MosaicsJoin us in the beautiful Alcatraz Gardens for this hands-on workshop to build your own mosaic tile with instructor Kristi Halva. Kristi has been involved with the arts since her days in high school and has recently studied under the direction of Laurel True, a well-known mosaic artist at the Institute ...
Where: San FranciscoCost: $50
Marshlands of DreamsJoin Paul Mueller on a 1-mile walk of the LaRiviere Marsh Trail to find traces of the past. Prior to marsh restoration, learn how Californians utilized the area for farming, quarrying, salt production, and transportation.  There will opportunities for bird watching as well.
Where: FremontCost: Free
Biodiversity BioblitzCome explore the Modini Mayacamas Preserves with other serious “nature nerds†and experts. Our goal is to add species records each season to the Biodiversity of the Modini Mayacamas on iNaturalist. Each of us tends to spot, and share enthusiasm and knowledge about, species that others rarely notice. Mark your ...
Astronomers use the phrase "historical supernovae" to mean stellar explosions that were seen and recorded by someone before the invention of the telescope. All were, therefore, necessarily within our own Milky Way Galaxy. There are six or eight of them, most seen first by Chinese astronomers, though there are also records from ...