Less Than 10 ET Civilizations In Our Galaxy
I came across this posting in Slashdot this morning about according to mathematics that there are less than 10 alien civilizations in our galaxy. I thought it was pretty interesting. Here is the the link.
http://science.slashdot.org/story/09/07/31/1244235/Fewer-Than-10-ET-Civilizations-In-Our-Galaxy