S02E22: Historical ways to confirm death and the art and science of modern embalming practices.
It was really hard for people throughout history to tell exactly how dead the bodies of other people were, so some questionable decisions were made in the pursuit of confirmation. (Including one involving invisible ink and a very dramatic reveal!) But, now that we’re a bit better at making sure we’re not burying folks alive, that scientific enthusiasm and creative ingenuity is being applied to methods to make bodies look LESS dead. So we’ve come full circle, it would seem.