On July 20; and Aug. 3 and 17, 10 to 10:15 a.m., kids can help the Smithsonian Gardens staff release ladybugs into the croplands of the National Museum of the American Indian. This hands-on event will be followed by a make-and-take activity for children, led by staff of the imagiNATIONS Activity Center. Meet at the south entrance of the museum, Independence Avenue SW between Third and Fourth Streets. Ladybug releases will be cancelled in case of inclement weather. AmericanIndian.si.edu.