spionage just got a little more sophisticated and scientific. Invisible ink? Decoder rings? Lemon juice? Puh-lease -- that's mere child's play compared to what double agents scientists at Tufts University just created.
Spies Can Hide Secret Messages in Bacteria : Discovery News
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Seeded by anonymous-1077600 View Original Article: 
Discovery.com
Seeded on Thu Oct 27, 2011 4:00 PM
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