Amid the legal theater in the U.S. over sex and gender identity—triggered by a Trump administration decree that “‘sex’ shall refer to an individual’s immutable biological classification as either male ...

The Department of Health and Human Services (HHS), under the leadership of Robert F. Kennedy Jr., will define sex as an "immutable biological classification" and only recognize two sexes, male and ...

Biological sex is usually described in simple binary terms: male or female. This works well for germ cells (sperm versus eggs ...

What would you call an alien if you encountered it on the street tomorrow? What if that alien didn’t come from another world but rather was created in a laboratory right here on Earth and functioned ...

This is a preview. Log in through your library . Abstract To assist in the status assessment of waterbodies in Ireland, new biological classification systems have been developed for seven biological ...