Description: One of our recent projects, these photographic crayon enlargements, associated with founder of the National Zoo William Temple Hornaday, were made on sensitized paper that was then adhered to a linen “canvas” stretched around wooden frames. The paper had become brittle, and handling at some point in the past led to a number of punctures and tears through both the paper and the
Description: [caption id="" align="aligncenter" width="326" caption="View of the Thrift Drugs Pharmacy and Luncheonette at 533 Liberty Avenue, September 11th, 1952, P"][/caption] My chosen Friday time-suck?: geotag, explore, and help ID thousands of historic photos of Pittsburgh on Retrographer.org [via Marguerite Roby, SIA]. Pretty cool! Thousands of new objects from the Smithsonian’s
Description: Wired Science has great coverage of our recent “Field Book Lantern Slides” Flickr Commons set, complete with more information from the Smithsonian’s Thomas Jorstad, who works in the paleontology department at the National Museum of Natural History. Yeek! A Dust Archive (for real!) [via Marguerite Roby, SIA].
Description: [edan-image:id=siris_sic_5844,size=250,left]A staff-favorite story in the Smithsonian’s history is that of the Megatherium Club — a revolving group of young naturalists who made the Castle their temporary home in between expeditions to the outer reaches of the United States. Who could not be intrigued by this photo of the Club where they look to be sharing a joke, or a plan?
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
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