If I were NASA, I'd forget about that search for intelligent life out there.  Look at what supposedly intelligent life has done to this planet.  Darwin must be rolling in his grave.

Now they're just dicking with us:

http://www.boston.com/news/science/articles/2010/12/01/fact_check_speculation_feeds_flap_on_alien_life/

http://www.space.com/news/nasa-announcement-alien-life-rumors-101201.html

http://news.yahoo.com/s/ac/20101201/sc_ac/7316534_what_is_nasas_secret_astrobiology_announcement

http://podlogs.com/slavens/files/2010/06/allTheseWorlds.jpg

media leaks have already established that the findings relate to a bacteria that survives and grows on arsenic, uncovered deep in a California lake.

The discovery of a bacteria that can incorporate arsenic into its DNA adds a new dimension to what has long been accepted as the building blocks of life as we know it....