This commentary is a repost from "Sex on Wednesdays" by Martha Kempner on Substack. Find her other articles on The Queen...

This internal left-right asymmetry is believed to begin at the very early stage of development -- when a tiny embryo is divided into two parts during a process called gastrulation. This process ...

Dinosaurs had sex. Fossil nests and eggs, as well as the ways today’s birds and crocodiles reproduce, leave no doubt on that ...

Marana High School physics teacher Les Beard learned about a chromosomal disorder with relevance to current events and ...

Multiple sources told The Post and Page Six that the embattled music mogul sought medical assistance for an MRI.

In the face of anti-trans legislation sweeping the country over the past four years, California stepped up to protect trans ...

Hopefully, we are doing a little of each — it’s tough to avoid either. Here is the advice I am giving my adult sons. So I decided I would write a few things I want to tell my adult children — great ...

The da Vinci provides deep and narrow access to tissue, while the MARS system uses magnetic forces for precise tissue retraction and manipulation of internal organs. An external magnet on the ...

Trump’s executive order on “Gender Ideology Extremism and Restoring Biological Truth to the Federal Government,” intended as ...

and internal male sex organs. Strict adherence to chromosomes would categorise these people as male, while looking to external appearances would have them assigned female. It remains unclear how ...

A rapid and efficient method developed to create stem-cell-based 3D mini-organs derived from the cells of patients offers a way to evaluate personalized treatments using RNA therapies for rare ...