Re Hidden Messages & Secret Cipher Cracked. October 26, 2011Uncategorizedtimothyrobarts http://news.discovery.com/tech/spies-hide-secrete-message-bacteria-110927.html http://dsc.discovery.com/news/2008/12/23/hidden-messages.html http://news.discovery.com/tech/18th-century-secret-cipher-cracked-111025.html#mkcpgn=emnws1