One of the strange things about my profession is that I can never predict what the public will be fascinated by. Some years ago, I wrote a paper predicting that the sperm quality of men in less industrialized populations would not be as compromised as that of us men in the developed world. But what went viral was the paper’s introduction, which repeated what pretty much every gamete researcher already knows, that measured sperm quality has been declining for decades. Continue reading Revisiting the Overpopulation Question →