Description: [caption id="" align="alignright" width="167" caption="The Mona Lisa, between 1503 and 1505, by Leonardo da Vinci, Oil on poplar, The Louvre Museum."][/caption] Scientists have discovered the secret behind Mona Lisa’s beguiling smile by using x-ray technology [via More Intelligent Life]. And while we're at it, scientists use UV light to reveal how awesomely gaudy the colors of
Description: The National Zoological Park was conceived by William Temple Hornaday and established by an act of Congress in 1889. The Smithsonian’s collection of living animals was originally intended to aid taxidermists’ studies, but Smithsonian Secretaries Spencer F. Baird and Samuel P. Langley helped expand the small menagerie’s purpose. Today it houses over 2,000 animals of around 400
Showing results 745 - 756 of 1109 for Six Jamaican Artists (Traveling exhibition) (c. 1996)