This article was reviewed by Felix Gussone, MD. Key Takeaways: Hormones play a major role in regulating metabolism, mood, ...

A duplicated gene evolved into a switch that determines sex in frogs, revealing how evolution can safely reshape critical ...

Larger penis size influences female attraction and male rival threat perception, highlighting how sexual and competitive pressures together shaped human sexual evolution.

Believe it or not, but ducks have a reputation for the unexpected: bizarre and intricate mating anatomy. According to ...

Decades ago, doctors created a test to determine which breast cancer patients should receive hormone therapy. Now, ...

Why do we sometimes keep eating even when we're full and other times turn down food completely? Why do we crave salty things ...

When it comes to infertility, some people think women are the only ones to blame and call them hurtful names. The truth is that one-third of the infertility cases are due to male infertility factors ...

As our behavior is determined by our brains, understanding which neurological circuits are involved at the beginning of the ...

Activism / Gender isn’t just a matter of individual identity. It’s an axis of governance—and for the last year, across a ...

The Netflix show has finally got its mojo back — and given us the best romance since Regé-Jean Page’s hunk Simon Basset and ...

Why do we sometimes keep eating even when we're full and other times turn down food completely? Why do we crave salty things ...

For generations, West Virginians have been talked about — rarely talked with. Too often, our state is reduced to a political ...