Besides, even if 9/10 mammals got kicked in the gonads rendering them infertile, it's still an advantage over the 10/10 infertile ones with
(Original post by Gofre)
You're right, the primary hypotheses are related to thermoregulation. We've all heard of the studies showing that having a laptop on your lap can destroy sperm count
I assume the increase in fertility the cooler temperature can allow outweighed the risk of being kicked there in the grand scheme of natural selection.
ascended testicles. Thus selecting.
What annoys me about the adaptations is that that area of our abdomen doesn't really need a high temperature. If only we had a better heat distribution system.
That laptop fact always makes me feel self-conscious about my testicles, I always have my laptop on my lap...
Last edited by Hype en Ecosse; 20-05-2012 at 00:02.