Hacking the Subject: Black Feminism, Refusal, and the Limits of CritiqueBarnard College James Room, 4th Floor Barnard Hall, West 117th and Broadway.
6:30 p.m. Free.
The Barnard Center for Research on Women welcomes distinguished ethicist and feminist theorist Denise Ferreira da Silva for a lecture considering black feminism and feminist critical grammar.
Retro Board Gaming for AdultsRiverside Library, 127 Amsterdam Ave.
1-5 p.m. Free.
Share your passion for Checkers, Chess, Mahjong, Monopoly, or Scrabble. For teens aged 13-18.
Brain and Behavior Research Foundation Mental Health Research SymposiumKaufman Music Center, 129 West 67th St.
9 a.m.-4:30 p.m. Suggested donation of $25 per person.
Scientists will discuss research on cognitive neuroscience, preventing/treating mental illness, schizophrenia, bipolar disorder, psychosis, and adhd at the Brain and Behavior Research Foundation’s Mental Health Research Symposium.
Company of TwoBloomingdale School of Music, 323 West 108th St.
7-8 p.m. Free.
Faculty artist Laurie Merchant and guest Mina Kusumoto demonstrate the piano’s unrivaled ability to realize orchestral masterworks.
Mansions and Monuments of Riverside DriveGrant’s Tomb — commemoration tree at 122 st and Riverside Drive.
1:30-3:30 p.m. $20 for adults; $15 for seniors and students.
Informative, fun and surprising history of the monuments and mansions on Riverside Drive. Learn the stories behind the historic figures and memorialized on the majestic roadway.
Participatory Budgeting Neighborhood AssemblyNew York Public Library — St. Agnes, 444 Amsterdam Ave. (between 81st and 82nd St.s).
2-4 p.m. Free
Share your ideas for how to improve public parks, schools, libraries, streets, and public housing on the Upper West Side.
Shachar HasonPeter Jay Sharp Theatre at Symphony Space, 2537 Broadway.
9 p.m. $82/$62.
Shachar Hason is an Israeli comedian. This show is in Hebrew.
Thalia Kids’ Book Club: Guys Read Terrifying TalesPeter Jay Sharp Theatre at Symphony Space, 2537 Broadway.
4 p.m. $15; members, $12.
Bone-chilling collection of original ghost stories reading under the covers with a flashlight, and scaring your friends’ pants off.
Advanced Internet SearchingRiverside Library, 127 Amsterdam Ave.
10-11 a.m. Free
Learn advanced search strategies to narrow results and find the best information online.
Growth, Poverty, and Inequality Interactions in AfricaInternational Affairs Building, Room 1512, 420 W 118th St #1411.
4-5:30 p.m. Free
Professor Haroon Bhorat delivers a lecture on the nature and size of inequality, the changes in inequality, and the drivers of inequality in the African context.
Altruism, Ethics, and the Global EconomyNew York Society for Ethical Culture, 2 W 64th St.
7:30-9 p.m. Free
A Discussion with Matthieu Ricard and Jeffrey Sachs.
Wisdom and World AffairsRoom 508 of New York Society of Ethnical Culture, 2 W 64th St.
6-8 p.m. Free
Moderator: Ken Gans.
Everything You Always Wanted to Know About Ethical CultureNew York Society for Ethical Culture, 2 West 64th St.
6:30-8 p.m. Free
An introduction for newcomers and refresher for members of the foundations of Ethical Culture and Humanist philosophy.
Great Music in a Great Space Concert SeriesThe Cathedral of Saint John the Divine, 1047 Amsterdam Ave. at 112th Street
Acclaimed virtuoso Frederick Hohman returns to the Cathedral in a program of symphonic transcriptions for organ, including stirring favorites by Bach and Tchaikovsky.