There hasn't been one of these in a while according to the all knowing search bar.
To start with:
On average male human balls are bigger than a gorilla but smaller than a chimpanzees. This is due to how faithful the women are. Gorillas are much more faithful than the others while chimpanzees do who ever they can as much as possible so need more sperm to always be ready. Humans are the middle ground.
EDIT - not the video but still evidence [http://www.anthro.ucdavis.edu/faculty/stewart/stpballs.htm]
Also part of what attracts us to the opposite sex is about how they smell.
Gotta love psychology lessons...
Have fun
To start with:
On average male human balls are bigger than a gorilla but smaller than a chimpanzees. This is due to how faithful the women are. Gorillas are much more faithful than the others while chimpanzees do who ever they can as much as possible so need more sperm to always be ready. Humans are the middle ground.
EDIT - not the video but still evidence [http://www.anthro.ucdavis.edu/faculty/stewart/stpballs.htm]
Also part of what attracts us to the opposite sex is about how they smell.
Gotta love psychology lessons...
Have fun