In 1935 a shark in an Australian aquarium vomited up a human forearm, a bizarre turn of events that sparked a confused murder investigation. This week's episode of the Futility Closet podcast presents two cases in which a shark supplied key evidence of a human crime.
We'll also learn about the Paris Herald's obsession with centigrade temperature, revisit the scary travel writings of Victorian children's author Favell Lee Mortimer, and puzzle over an unavenged killing at a sporting event.