Come see what birds hang around the Presidio in March and learn about our diverse birdlife on a moderate two-mile walk. Meet ranger Will Elder in front of the Beach Hut located on East Beach on Crissy Field. Reservations required; call (415) 561-4323.
This watershed on the west side of Twin Peaks near 7th Avenue has been through a lot. Sewers flow under the deteriorating concrete bottom of the abandoned reservoir at Laguna Honda. Muni Metro trains run under the creek. We'll examine the secret back woods of the watershed where no official ...
Where: San FranciscoCost: Pay what you wish!
International Pi Day CelebrationJoin us at the Computer History Museum for a once-in-a-century opportunity on 3/14/15. Each year on March 14th, math and science lovers everywhere join together in an international celebration Pi. "π" is the symbol used in mathematics to represent the ratio of a circle's circumference to its diameter, and ...
Where: Mountain ViewCost: Free with admission
PI DAY Puzzle PartyTrying to decide how you're going to celebrate Pi Day (3.14) this year? Avoid the congested airports and typical math holiday madness, and join us instead for Ask a Scientist's Pi Day Puzzle Party - a boisterous math and logic puzzle competition, hosted by the inimitable Wes Carroll. You can compete ...
