Have You Herd? Q: What new crop did the farmer plant? A: Beets me. I Spy Check out this and other incredible images at “A Close-up View of the ‘Canada Thistle’ (Cirsium arvense)” by Brian Johnston at http://www.microscopy-uk.org.uk/mag//artaug06/bj-CanThistle.html Say What? These scrambled letters form…