Presidio Stargazing Party
SF Amateur Astronomers
Giant telescopes to look at the night sky
San Francisco Presidio Main Parade Ground
Sat, Feb 24 7pm-10pm  | Free | All ages.

DNA Packaging and Error-Free Communication
Taste of Science SF
Talks from scientists Dr. Massa Shoura & Dr. Mary Wootters, over drinks 
Scotty’s Bar and Grill | 548 Emerson Street, Palo Alto
Wed, Feb 28 7pm-9:30pm | $5

Art & Politics: Lou Dematteis
Shaping SF
Social social documentarian, photographer and filmmaker Lou Dematteis presents images of the Mission district from the 1970s forward
Eric Quezada Center for Culture and Politics | 518 Valencia St., San Francisco
Wed, Feb 28 7:30pm-9:30pm | Free

After Dark: Extended Cinemas
Exploratorium After Dark
A look at the technology of film from its earliest history to modern experiments in sounds and visuals + the usual After Dark cocktails and open house, adults-only run of the museum.
Exploratorium | Pier 15, San Francisco
Thurs, March 1 6pm-10pm | $19.95, free for members | Ages 18+

Terra Incognita: Exploring the Earth’s Most Remote Places
The Long Now Foundation Salons
Photojournalist Christopher Michel discusses his travels to photograph locations like the North & South Poles, Mt. Everest, Papua New Guinea, DR Congo and the edge of space
The Interval | Fort Mason, San Francisco
Tues, Mar 6 6:30 pm | $25 | All ages. Advanced tickets recommended

San Francisco History Days
California Historical Society
Two days of pop-up history presentations and collections at the historic Old Mint in downtown San Francisco, featuring dozens of local history and community heritage groups.
The Old Mint | 88 5th St, San Francisco
March 3-4 | All ages | Free

IndieBio Journey Talks:
“Growth Mindset & Leadership with Dr. Joon Yun & Lucy Caldwell”
IndieBio
479 Jessie St, San Francisco
Wed, Feb 28 6pm-8:30pm | Free