In 2015, Michael Smith, a graduate student from Cornell University, allowed bees to sting him multiple times across 25 different locations on his body to determine where the most pain was felt.
Using the forearm as the “internal standard,” Smith allowed bees to sting him everywhere including his nostrils, upper lip, skull, behind the ear and even genitals.
Stings to his genitals were uncomfortable, but a sting to the nostril was the worst, according to Smith’s research.
Smith’s experiment won him the Ig Nobel Prize for physiology.