Comment by monkeycantype

I apologise if my comment comes across as mean and snarky, and I can see how it does so I'm sorry. I wasn't my inention to mock the poster.

I have always been interested that we cannot see infrared, but some reptiles can, we cannot because our eyeballs are flooded with warm blood, there is no way for our bodies to distinguish signal from noise.

This made me think of the scrotums purpose to maintain the testes slightly below body temperature, which then amused me with the idea that it might therefore be able to function as a kind of infra red, body light retina.

so I was mocking some primal hunter ideas, but certainly no one posting on this page