Now I won't waste your time by explaining why after more than a century of observations and 7 working spacecrafts sent to its surface we know that there are not little nymphs hopping around on Mars. But I do want to tell you why people keep seeing all kinds of crazy stuff there, because this lady is only the latest weird manifestation to supposedly appear in pictures from Curiosity. Just this summer alone, the media have been replete with reports of people seeing a crab, an alien's head, and a pyramid on the surface of Mars. And if you remember that giant face on Mars back in the 80's and 90's you know that none of this is new.