Perhaps unsurprisingly, the sweet trigger caused the simulation to send signals that would extend the proboscis, and the bitter one didn’t. Further study showed that the computer model was more than 90 percent accurate in predicting how a real fly’s brain would respond.

A study analysing penis sizes between the years 1942 and 2021 has found that the average length of the male member, when erect, has increased significantly over the last 30 years.