Weizmann Institute researchers say that progesterone and the stress hormone cortisol drive circadian rhythms; when out of ...

Men assess potential rivals that have a larger penis as more of a threat, both physically and sexually, according to a study by Upama Aich at the University of Western Australia and colleagues, ...

Researchers at the University of Tokyo have explored how female body odor can influence behaviors in men. They found that certain scent compounds in female body odor increased during ovulation and can ...

Researchers say today's AI platforms often default to common biases and stereotypes when prompted to generate images of people, including athletes. Subscribe to our newsletter for the latest sci-tech ...

Men assess potential rivals that have a larger penis as more of a threat, both physically and sexually, according to a study ...