EVB2936225: U.S. flag waving in foreground over flight deck of an escort carrier on July 16, 1943. Of the 151 aircraft carriers built in the United States during WWII, 122 were escort carriers, cheaper, slower, lighter ships often used to protect convoys and provide air support during island invasions / Bridgeman Images
EVB2932357: William H. Egberts (1868- 1959) at the Smithsonian's Anthropological Laboratory in 1926. He examines skulls with marks from a surgical procedure, trepanation, that was practiced by Native Americans. About 90% of the trepanations showed evidence of healing, indicating the subjects survived the procedure / Bridgeman Images