NOVA
PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and technology, and highlights the people involved in scientific pursuits.

Season 32 · Episode 13 ·
Saving the National Treasures
A team of experts takes on the preservation of the origianl Constitution, Declaration of Indipendance and Bill of Rights.
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Episode 13 of season 32 of NOVA: “Saving the National Treasures”. Aired 2005-02-15. Watch it online free on ZapFlix.