DIALOGUE AND DISCUSSION A panel discussion sponsored by the Dialogue Project and the Peace Task Force addresses the Israeli-Palestinian conflict from several angles. Panelists at “A Circle of Diaspora” include the Palestinian-American Christian minister of the Salaam Arabic Church in Brooklyn, Khader El Yateem, and the Jewish-American founder of the Dialogue Project, Marcia Kannry. Tonight, 7 p.m., Unitarian Church of All Souls New York, 1157 Lexington Ave. at 80th Street, free, contributions welcome.

SMALLEST CREATURES For his book “The Smaller Majority,” Piotr Naskrecki of Harvard University focused his camera on the 99% of animal life, mostly invertebrates, that are smaller than a human finger and live in highly threatened biodiversity hotspots around the globe. He’ll discuss that challenge and sign copies of his book at the Museum of Natural History, where his work is featured in the exhibit “Vital Variety.” Tonight, 7 p.m., American Museum of Natural History, Linder Theater, Central Park West at 79th Street, 212-769-5200, $15 general, $13.50 seniors, students, and members.

REMEMBERING SLAVERY A panel discusses why the history of slavery in New York remains largely unknown. The panelists are history professors Ira Berlin and Leslie Harris; the curator and research coordinator at the Schomburg Center for Research in Black Culture, Christopher Moore, and the director of the American Revolution New Media Project at the New-York Historical Society, Cynthia Copeland. The discussion is in conjunction with the exhibit “Slaves in New York,” which explores slavery in the beginning of the state’s history. Thursday, 6:30 p.m., New-York Historical Society, 170 Central Park West at 77th Street, 212-485-9205, $12 general, $6 seniors, students, teachers, and members.

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