A study suggests that several species of brown algae may have independently evolved to express both sexes simultaneously, and it’s likely that female algae evolved male traits—not the other way around ...

Overall, neuroscience reveals that while there are some average differences in how male and female brains process information and respond to their environment, these differences are typically ...

The guidance states that it "recognizes there are only two sexes: male and female. HHS will use these definitions and promote policies acknowledging that women are biologically female and men are ...

1–3 Individual sports with female-dominated membership statistics, feminine gender culture and low clothing levels (gymnastics, swimming) seem especially vulnerable to systemic abuse, and team sports ...

On his first day back in office on Monday, President Trump issued an executive order declaring that the U.S. government would only recognize a person's sex assigned at birth, limit the definition ...