BBCnews is carrying this update on our favorite land-based horror, the robber crab. Turns out this crustacean, which is descended from ocean-going species, evolved a "nose" that re-invented key elements of a distant ancestor... insects. It's now considered to be one of the most striking cases of convergent evolution ever found.

As long as they stay on those islands, I'm fascinated. If one starts trying to steal my sandwich, I'm getting a gun.