'Molecular fossils' in the DNA of elephants could help explain why their testicles are inside their bodies.
If hitting below the belt, not the head, was the aim, then brain damage from boxing would disappear overnight.
Forget tinkering with the rules of boxing. It's time for a wholesale change. Let's make hits to the groin the aim of the game and ban hits to the head.
POJ THEVEENUGUL / shutterstock
We have the penis of a monogamous primate yet our body sizes suggest our ancestors slept around a lot.
Pocket your phone without worry.
Phone image via www.shutterstock.com.
Did your holiday gift list include radiation-shielding undies to protect your privates from cellphone radio waves? A radiation expert explains they're unnecessary – your phone won't affect your fertility.
Most men don’t know the normal size of testes.
Men with Klinefelter’s syndrome are infertile, as the extra X chromosome affects the ability to produce sperm.