No they didn't find a "streambed". They found a bunch of clasts, with pebbles that wind couldn't move. Perhaps they were moved by something solid rather than li

No they didn't find a "streambed". They found a bunch of clasts, with pebbles that wind couldn't move. Perhaps they were moved by something solid rather than liquid. Perhaps that was some kind of ice. It's tiresome hearing of the "piling evidence" for water on Mars. Find some damn water. Prove it by melting it then boiling it on camera in a container with a thermometer.