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Tips on how to authenticate a document by comparing handwriting.
Explore More Video: Full Episodes
- Season 8: Episode 1 Space Boot; Satelloon; Moon Museum
- Season 8, Episode 7 St.Valentine's Day Massacre; G. Washington Miniature; Stalag 17 Portrait
- Season 8, Episode 4 Barton Letter; Andrew Jackson's Mouth; Spybook
- Season 8, Episode 5 Cromwell Dixon; Bartlett Sketchbook; Duke Ellington Plates
- Season 8, Episode 3 Lauste Film Clip; Baker's Gold; Transatlantic Cable
- Season 8, Episode 2 Iwo Jima Map; Copperhead Cane; Theremin
Explore More Video: Web Exclusives
- Interview: Elyse and Howard Zinn We take a look back at Elyse Luray's conversation with Howard Zinn in 2006.
- Textiles How to use textile analysis to identify and date a piece of fabric.
- Finger Printing Learn how fingerprinting technology has evolved; making matching fingerprints easier.
- Web Extra: Bosko the Talk Ink Kid Watch the original animation of Bosko "the Talk Ink Kid", the first Looney Tune in 1930.
- Exclusive Interview: Alan Bean Watch Gwen's exclusive interview about Alan Bean's journey from astronaut to artist.
- On the Road: Gwen and the Lauste Film Diana Little gives advice on preserving home movies.