"You can say anything you want in a press release". Sadly, that sentiment is too true. Turns out, recent reports of the discovery of previously unknown bacteria in samples hauled up from the waters of Antarctica's frozen Lake Vostok have turned out to be premature. The bacteria turned out to be contaminants carried by the drilling and collection apparatus. At Scientific American, Elizabeth Howell talks about this flub in the context of other stories where scientists bypassed peer review and announced findings to the newspapers first.