Description: [edan-image:id=siris_arc_287602,size=250,left]As a child in England in the 1930s, Oliver Sacks enjoyed playing with his Uncle Abe’s spinthariscope. It was, he would later recall, “a beautifully simple instrument, consisting of a fluorescent screen and a magnifying eyepiece, and inside, an infinitesimal speck of radium.We take a look at the spinthariscope at the Smithsonian.
Description: The Secretary’s Gold Medal for Exceptional Service was created in 1964 and is the highest honor given to Smithsonian staff for exceptional service over a long period of time. On December 4, 2014, Secretary G. Wayne Clough presented this award to Pam Henson for a lifetime of exceptional service to the Smithsonian Institution. She began her career here in 1973 and has been in
Description: [view in Spanish][edan-image:id=siris_sic_13396,size=150,left]Much of the Smithsonian's early natural history collections came from Mexico, the Caribbean, and Central and South America. The fourth Annual Report (1850) discusses several Latin American expeditions, in particular the exploration of islands near Nicaragua by Ephraim G. Squier, who served as U.S. charge d'affaires