803This superb and inventive selection of photos was sent in by Kathleen Grady from the wonderfully-named Kokomo, IN, USA, a place famously once sung about by the Beach Boys.

She wrote: “Do I really need to explain this one? I could go into detail, but it's much too sordid and lame for me to waste your time with. Fun fact: I wrote this on the back of a paper I wrote for my ‘Humanity in the Universe’ class. []para"It was about geology or something. I got an A...haha.” Submitted via the SOTM Flickr group.