Description: What happens when you have information about a historic photograph that is contradictory? How do you decide what information is correct? Check out how one historian grapples with these mysteries.
Description: 100 years ago in August of 1914, the Panama Canal opened to commercial shipping. Smithsonian scientists knew the canal would create major environmental changes and have spent the last 100 years documenting them.
Description: [edan-image:id=siris_sic_9592,size=200,left]Did you know the Smithsonian was an early adopter of the telephone? In June of 1878, a system of electronic bells and telephones was installed throughout the Smithsonian Castle. The system connected several workrooms and offices to provide instant communications within the building. At that time, there were only 187 telephone lines