Brain scans, postmortem dissections, artificial intelligence and lab mice reveal differences in the brain that are linked to sex. Do we know what they mean? When you purchase through links on our site ...

Arthur P. Arnold is professor in the Department of Integrative Biology and Physiology, University of California, Los Angeles, California, USA. Sabra L. Klein is professor in the W. Harry Feinstone ...

Association of BRCA1 Mutations With Occult Primary Ovarian Insufficiency: A Possible Explanation for the Link Between Infertility and Breast/Ovarian Cancer Risks To compare and contrast male and ...

A new comprehensive study published in the prestigious journal PNAS provides some fascinating insights into how female and male brains are intrinsically organized. Employing an innovative deep neural ...

Biological sex is usually described in simple binary terms: male or female. This works well for germ cells (sperm versus eggs), but for other body organs it is of little help. A new study by the Max ...

We live in a small Ontario town where every Saturday, an outdoor and indoor farmers’ market takes place. I like to go early to buy flowers. The night before, I normally ask my wife if there is ...

What is a "woman"? That question, the title of a now well-known documentary, has stumped Supreme Court justices and prime ministers alike. The reason for the confusion stems, perhaps, from society's ...

For the first time scientists have created two lines of human cells that are identical aside from their sex chromosomes: one has XX chromosomes, and one has XY. This unique set of cells could help ...