“Peace and Love,” with paintings, mixed-media works and sculptures by several artists, reflecting the African-American experience. Thru., Mon., April 30 (reception with artists Sat., March 24, 2 p.m.), Jamaica Center for Arts and Learning, 161-04 Jamaica Ave. Free (donations welcome). Info: (718) 658-7400, jcal.org. “Science Inspires Art: Ocean,” with works depicting the seas, many with an ecological focus. Thru Sun., Feb. 25, New York Hall of Science, 47-01 111 St., Corona.