In the animal kingdom, penises can be spiked, split, corkscrewed—even detachable. They're one of the most diverse structures ...

Peptides promoted by influencers on social media promise miraculous results of healing, regeneration, and growth. But are ...

Earlier this year, a group of researchers published a paper on the remarkable phenomenon of sex reversal in several ...

The endocannabinoid system is found throughout the brain and body and plays a key role in everything from memory and learning ...

Modern researchers know about the cuckoo’s cross-species brood parasitism – but one Roman emperor observed this more than 700 ...

Activists quietly shifting the goalposts on sex-and-gender discussion to escape the fact that they're losing the biology of ...

Museums are often thought of as hallowed halls filled with priceless art and historical artifacts. However, some institutions ...

Neanderthals are usually seen as brutish and primitive, but research now suggests our ancestors kissed often - and even with ...

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

In the animal kingdom, penises can be spiked, split, corkscrewed - even detachable. They're one of the most diverse structures in biology. The human ...

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

Everyone’s suddenly obsessed with the pelvic floor—physical therapists, MAHA influencers, me. Could this deeply misunderstood ...