Dress rehearsal of the Minnesota Opera's 2008 production of Roméo et Juliette, by Charles Gounod. Presented between January 26 and February 3. Photograph by Flickr user Florida Grand Opera, January 24, 2008. CC BY 2.0.
A piece of drill core used by E. J. Longyear near Mesabi station, ca. 1890. The piece measures approximately two and a half inches long and about one and an eighth inches in diameter.