A new study from Toho University reveals that female earwigs exhibit a similar pattern of exaggerated forceps growth as males ...

Iron deficiency disrupts a sex-determining pathway in mice — plus, research highlighting the role that small-scale fishers ...

The orgasm marks the final stage of the arousal response in men. What most men don’t know is that there are other types of male orgasms, which most guys never experience: This is one of the general ...

After all, how many other birds can you think of that have those iconic brown feathers and white heads? However, when it ...

Scientists have identified the sex of a 2-million-year-old hominin for the first time using enamel protein analysis.

If you're growing cannabis, one of the most important skills you'll ever learn is how to sex your plants, in other words, how to tell if they're male, female, or hermaphrodite.Female plants are the ...