Description: Marine Hospital Service Laboratory exhibit - equipped with apparatus for investigating subjects pertaining to sanitary science - at World's Columbian Exposition, Chicago, 1893, SIA RU000095, USNM No. 12907.
Description: It's National Zoo and Aquarium Month! Let's explore the early days of the National Aquarium and its commitment to the promotion of marine science and aquaculture.
Description: Senior administrators stand next to their bicycles outside the Arts and Industries Building during an energy conservation campaign, 74-4912-01.
Description: Roy S. Clarke, Associate Curator in the Department of Mineral Sciences at the National Museum of Natural History, examines samples from a Mexican meteorite shower for the Center for Short-Lived Phenomena, OPA-1447-09A.