Then there's this - stems, epsom salt, life threads

[John Kierein]

Cool stuff
http://www.earthfiles.com/news/news.cfm?ID=676&category=Science

[aurora]

I've got to think that the tails or stems on the blueberries is more evidence that they are concretions that formed from precipitating out of a solution.

On Science Friday yesterday on NPR, the mission science directory said that was their current idea.

[ToSeek]

Life in the brine?: Mars Underground: The Harsh Reality of Life Below (http://www.space.com/scienceastronomy/mystery_monday_040308.html)