FILM: Yerba Buena Center for the Arts presents On Tour with Pina Bausch (Un Jour Pina A Demandé), as part of their To the Limit: Pina Bausch on Film series. Bausch, a German choreographer and dancer, who died from cancer last year, produced "profoundly innovative and unsettling work" that transcended traditional barriers between dance and theater.

7:30 p.m. // Yerba Buena Center for the Arts (701 Mission St) // $6-8

FORUM: At Open APIs for Government, leaders in technology innovation, including Craigslist's Craig Newmark, will discuss open source technology and standardized APIs, sharing their vision for the future of open data and open government.

6:30 to 10 p.m. // San Francisco City Hall (1 Doctor Carlton B Goodlett Place) // $15

SCIENCE: The theme of this month's Exploratorium After Dark is ʻImiākea: Navigating Polynesian Art and Science, featuring Hawaiian music and a demo by expert ocean navigator Kalepa Baybayan on some of the astounding non-instrument techniques that have enabled Pacific Islanders to cross the Pacific for thousands of years.

6 to 10 p.m. // Exploratorium (3601 Lyon St) // $15