Space/Science — HabitableZone

Space/Science » in reply to active fault movement needed?

found the press conference quote

"Lisa Pratt says methane from rock (serpentinization) is rare on Earth and actually plugs up active sites. This is why she takes biology seriously as “slightly more plausible.”"

http://blogs.discovermagazine.com/loom/2009/01/15/live-blogging-the-mars-methane-mystery-aliens-at-last/

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