I was wondering why the smaller testicle would hang lower, and indeed:
To investigate further, Dr. McManus studied 187 Greek statues and their Roman replicas. The result? The same pattern repeated across sculptures: a higher right testicle, but a larger left one.
Yes, the smaller one hangs the lowest, and that’s the left one for most men.
Source: McMANUS, I. Scrotal asymmetry in man and in ancient sculpture. Nature 259, 426 (1976). https://doi.org/10.1038/259426b0
… but that’s paywalled so here’s a blogpost about the study
I was wondering why the smaller testicle would hang lower, and indeed:
However, looking at the paper itself reveals: