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

Early sexual activity, often defined as initiation before 16, is a risky behaviour associated with many negative social and health outcomes. Sexual norms restricting sex till marriage have declined in ...

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

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, ...

Dom King is known for securing a couple fan-voted awards at the GayVN Awards in the past, but the sexy model has now earned ...

Researchers at the Icahn School of Medicine at Mount Sinai, in collaboration with other leading institutions across the ...

An AI model that learns without human input—by posing interesting queries for itself—might point the way to superintelligence. Save this story Save this story Even the smartest artificial intelligence ...

To most people, the answer seems straightforward (to put it plainly: different holes), but for these unfortunate blokes, who have now gone viral, it wasn’t so obvious. The first guy, who looked as ...

Lactation is essential, but its genetic and epigenetic regulation is poorly understood. Here, Hanin et al. show that ZFP57 has an imprinting-independent role in controlling postnatal nutritional ...

Premenopausal women presenting with acute coronary syndrome (ACS) are a unique and often underrecognized patient population. Although they are traditionally considered at lower cardiovascular risk ...