Sleep is one of the essential physiological needs for human survival, alongside food, water and air. But sleep is socially ...

"One man died of a massive heart attack — so massive that his heart literally burst. You could stick your fingers into the ...

INTERSEX refers to a broad range of natural variations in a person’s sex characteristics—such as chromosomes, hormones, ...

The testes, also known as testicles, are the primary male reproductive organs. They are responsible for producing sperm and ...

Evolution has given humans countless unique features, but one body part stands out as an unsolved puzzle: the human chin.

Historically scientists have thought it unlikely that gut microbes affect physiological sleep regulation. The recent study, ...

Adolf Hitler made headlines last week when DNA analysis determined that he may have had a micropenis — and in an interview this week, a Jeffrey Epstein accuser said his was about two inches long.

The federal government will soon require carmakers to test vehicle safety systems using advanced crash test dummies that more ...

Led by our expert faculty of anatomists, this half-day review of the Anatomy of the Male Pelvis is aimed at professionals with a scope of practice relevant to the region, such as practitioners ...

Apparently, when someone has a pacemaker, there's a battery too, and they don't bother taking it out/off. They simply snip the leads and leave them there, so if you touch both bare leads, you get a ...

Congress must commit to sports categories defined by biological sex when fairness and women’s rights depend on that distinction.