Did you know?

The US National Museum of Health and Medicine in Washington, which is more than 150 years old, has on display, the spinal cord of Abraham Lincoln’s assassin John Wilkes Booth, containing the bullet that killed him, Eisenhower’s gallstones and the skeleton of Able, the first monkey in space.

The museum also has the world’s largest collection of microscopes, including one used by the FBI to investigate the assassination of President John F. Kennedy.

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Image credits: http://www.presidentsrus.com