I was walking home from work, having mysteriously cycled in that morning without my bike, whereupon I noticed a rather large dragonfly on the side of the road. Huge, thick, green and blue. Anax imperator, the Emperor Dragonfly, largest UK species. I was quite overjoyed to see one, especially so close, though it seemed very odd that it was standing on the floor like that. Resolving to investigate, and leant down and put my finger under its front, mindful of its predatory mandibles. It crawled onto...