new evidence shows dogs have "intuitive mastery of the bessemer steelmaking process", backing up centuries of anecdotes by blacksmiths in which a dog would whine and bark in distress when pig iron was heated without sufficient access to air in their presence. "It's possible Bessemer or others who claimed to have invented the process were inspired by the behavior of dogs, or that dogs communicated the details of this vital industrial process to them by unknown means", paper concludes