Bite mark vagueness; Dr. Lean and Dr. Stout; Duck-swan mutual dining; Knitting

This week’s Feedback column (that I write) in New Scientist magazine has five segments. Here are bits of each of them: Biting biting remarks — …Bite-mark analysis hoo-ha, so far, mostly applies to identifying human biters. Mostly, but not entirely. Enter a new paper called “Forensic determination of shark species as predators and scavengers of sea turtles in […]