Gabe Allen is a Colorado-based freelance journalist focused on science and the environment. He is a 2023 reporting fellow with the Pulitzer Center and a current master's student at the University of ...
Human reproduction requires both male and female gametes. Gametes are special sex cells that contain the genetic information necessary to create a new life. Men produce millions of gametes called ...
Mature males of the abyssal echinoid Phrissocystis multispina produce two types of sperm including a euspermatozoon typical of echinoids, and a paraspermatozoon, which is bipolar-tailed. The structure ...
The distance between a man's scrotum and anus may indicate his ability to reproduce, researchers report. The distance between a man's scrotum and anus may indicate his ability to reproduce, report ...
A dioxin toxin contained in the herbicide Agent Orange affects male reproductive health by limiting the growth of the prostate gland and lowering testosterone levels. A dioxin toxin contained in the ...
Men are generally not as fertile as they used to be, many studies suggest. While there are regional variations, sperm counts and quality have, by and large, been declining over the past 50 years or so ...
BUFFALO, N.Y. — Despite their formidable bodies, male gorillas are lacking in one particular area of their anatomy. They have the smallest penises and testes of all apes, and produce a low amount of ...
Urologists treat urinary and pelvic conditions in males and females, and reproductive and genital conditions in males. Urinary tract infections (UTIs), kidney stones, erectile dysfunction (ED), and ...
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