Description: [caption id="" align="aligncenter" width="400" caption="Portrait of Albert Einstein and Others (1879-1955), Physicist, by unidentified photographer, 1931, Smithsonian Institution Libraries."][/caption] This post is second in a series that highlights some of our most popular photos on the Flickr Commons. This photo of Einstein pictured with a group of intellectuals is one of
Description: When you think of the National Museum of Natural History, what comes to mind are probably inanimate things—rocks and dinosaur bones, cultural objects, and stuffed animals. But did you know that the museum has a collection of live insects? Today is the 35th anniversary of the opening of the permanent installation of the Insect Zoo, though the Zoo actually began as a temporary