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 by Upama Aich at the University of Western Australia and colleagues, ...

Scientists have uncovered a previously unknown cluster of brain cells that may help explain differences in social behavior ...

Women most often ranked male bodies more attractive when they exhibited a higher shoulder-to-hip ratio (i.e. a V-shape) and a ...

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 ...

This experimental study used life-sized and screen-based 3D male avatars to test how penis size, height, and body shape ...

Low-level exposure to bisphenol A before birth can permanently alter metabolism, immunity, and disease risk in sex-specific ...

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 ...

I didn’t grow up wealthy, and having spent decades writing about shotguns, I won’t retire that way either. But I will spend what’s left of my duck-hunting career shooting what I consider to be one of ...

A research team at the Helmholtz-Zentrum Dresden-Rossendorf (HZDR) has developed a radiopharmaceutical molecule marker that can visualize tumors that carry the cell surface protein Nectin-4. This ...

The seven chakras are thought of as the main energy points in your body, which run down the spine. Blocked chakras may have physical symptoms like bowel issues or emotional ones like insecurity. Share ...