Scientists have found some of the smallest organisms known in a sample of slime from a California mine. Their discovery proves the value of a technique called "shotgun" sequencing to identify all organisms in a microbial community, particularly those too small to see in a microscope.<br><br><a href='http://www.berkeley.edu/news/media/releases/2006/12/21_microbes.shtml' target='_blank'>http://www.berkeley.edu/news/media/releases/2006/12/21_microbes.shtml</a><br><br>