If You Had A Twin, But Didn't Realise...
Family Life0 min ago
No best answer has yet been selected by shawnmmurphy. Once a best answer has been selected, it will be shown here.
For more on marking an answer as the "Best Answer", please visit our FAQ.A short history from the Smithsonian Institute:
http://www.smithsonianmag.si.edu/smithsonian/issue
s98/mar98/object_mar98.html