Another "Oh, crud." A study coordinated by a professor at San Diego State University but involving people from all over has had results published in the journal _Hydrobiologia_ and in the Proceedings of the National Academy of Sciences. So, I guess, not run-of-the-mill people. And darn it -- they refer not to cyanobacteria, but to blue-green algae..... So, what are those things in Yellowstone: bacteria mats or algae mats? TSB -------------- next part -------------- An HTML attachment was scrubbed... URL: </geyser-list/attachments/20050125/46917a52/attachment.html>