PITHY INSIGHT. “Why do women produce only a few hundred mature eggs while men, over a lifetime, produce up to 4 trillion sperm cells? That each ejaculation has an average of 250,000,000 sperm (is) because not one of them is likely to stop along the way to ask for directions.”
http://www.news-medical.net/news/20130821/New-book-on-evolution-and-future-of-human-reproduction.aspx?page=2
linkedin post 2022-06-29 05:12:48
Nigel Fleming
September 21, 2022