"Dice-size crumbs of bright material have vanished from inside a trench where they were photographed by NASA's Phoenix Mars Lander four days ago, convincing scientists that the material was frozen water that vaporized after digging exposed it." http://phoenix.lpl.arizona.edu/ Being a chemist I would run a test before making statement like that, but they sound very convinced! Next step: look for little green men... Sergey Dryga http://beaglerobotics.com -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist