Salty Antarctic Pond May Hold Clues to Water on Mars

Salty Antarctic Pond May Hold Clues to Water on Mars | Space.com: "Antarctica's bizarre Don Juan Pond is the saltiest natural body of water on Earth — a distinction that keeps the little lake in a fluid state on an otherwise frozen continent. Now researchers have found new evidence about how the pond gets enough salt to stay wet in such a hostile environment, and their study may hold clues about how liquid water might flow on Mars."