Prices listed where available.
"ART NOUVEAU: NEW STYLE FOR A NEW CENTURY" Friday at noon. Bonita Billman completes a series of lectures on the origins of art nouveau. Smithsonian American Art Museum, Eighth and F streets NW. 202-633-1000 or http:/
BEWARE OF SLIMY SANDWICHES Saturday 11 to 5. Kids and parents can learn picnic food safety basics. Koshland Science Museum, Sixth and E streets NW. 202-334-1201 or http:/
BE THE ARTIST FAMILY PROGRAM Saturday 12 to 5:30. Art classes teaching young people about the art of Marcel Duchamp. A class for kids ages 10-14 runs from noon to 2 p.m., another for children ages 5-10 lasts from 3:30 p.m. to 5:30 p.m. National Portrait Gallery, Eighth and F streets NW. 202-633-1000 or http:/
ANIMALS R US! FAMILY DAY Saturday 1 to 3:30. Learn about stamps featuring animals, and design your own. National Postal Museum, 2 Massachusetts Ave. NE. 202-633-5555 or http:/
BOLLYHIPHOP WORKSHOP Saturday 2 to 4. Bollywood and hip-hop dance blend in this new style, taught by the Dhoonya Dance Company. Flashpoint, 916 G St. NW. 202-315-1305 or http:/
SCOTT GIACOPPO Saturday at 3:30. The chief programs officer of the Washington Humane Society talks about animal cruelty. National Museum of Crime & Punishment, 575 Seventh St. NW. 202-393-1099 or http:/
"GENIUS IN TANDEM: ROBERT RAUSCHENBERG AND JASPER JOHNS" Sunday at 2. Diane Arkin lectures on the two great artists. National Gallery of Art, East Building, Fourth Street and Constitution Avenue NW. 202-737-4215 or http:/
WARHOL HIMSELF Sunday at 4 and Monday at 7. Actor Kryztov Lindquist portrays American artist Andy Warhol and talks with interviewer/actor Jewell Robinson about his life and work. National Portrait Gallery, Eighth and F streets NW. 202-633-8520 or http:/
INTRODUCTION TO GENEALOGY Wednesday at 11. Archives staff members will present a lecture on basic genealogical research in the federal records. National Archives, 700 Pennsylvania Ave. NW. 202-357-5000 or http:/
GORDON S. BROWN Wednesday at noon. Gordon S. Brown discusses his book "Incidental Architect: William Thornton and the Cultural Life of Early Washington, D.C., 1794-1828." Veterans of Foreign Wars Building, Ketchum Hall, 200 Maryland Ave. NW. 202-543-8919, Ext. 38. Free, reservations recommended.