Description: [caption id="" align="aligncenter" width="360" caption="Steven Cohn, the Smithsonian’s Office of Safety, Health and Environmental Management and the museum’s representative Industrial Hygienist, tests Owney's fur for arsenic, lead and mercury. Courtesy of the National Postal Museum "Pushing the Envelope" blog."][/caption] More interesting preservation challenges. We’ve covered
Description: Each week, the Archives features a woman who has been a groundbreaker at the Smithsonian, past or present, in a series titled Wonderful Women Wednesday.