THE EIGHT MENTAL DISORDERS OF 1857

This lithograph by Armand Gautier shows the eight mental disorders recognized (coincidentally) in the year that Hollywood was founded, including dementia, megalomania, acute mania, melancholia, idiocy, hallucination, erotic mania, and paralysis.

Wild Kingdom: Honor Among Thieves

Vampire bats may be bloodsuckers, but at least they play fair. These bats need to drink blood every night, but not every bat’s lucky enough to sup a mammal’s warm life force every night. These unsuccessful bats beg for blood barf. And bats to whom they’ve previously given are more likely to give in return.