It looks like a close up view of the swine flu or some nasty disease you don't want to get from the seat of the public bus. Remember, flu season is ugly this year - wash your hands!
Ok, this is nothing contagious, just one of the latest images from Mars this week. The Big Picture has posted another impressive photo essay of Mars. I don't know much about modern art, but couldn't these be framed and hung in a fancy art museum?