It would be tempting to assume there's nothing much of note happening on Mars , but that dusty rusty planet has a lot of interesting stuff going on. Most of it has to do with rocks. Mars has a lot of rocks. In fact, Mars has so many rocks that have undergone all sorts of weathering over the eons that, occasionally, it manages to produce something that looks a bit like an artificial or biological structure, if you squint. It's a bit like monkeys and typewriters . We may not get Shakespeare, but