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Date: Fri, 24 May 2013 10:16:28 +0200

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Quote:

news@nature.com Biotechnology channel
Bacteria encode secret messages
http://www.nature.com/news/2011/110926/full/news.2011.557.html?s=news_rss

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Text:

Undercover E. coli act as updated invisible ink.

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Via FeedShow.com