A recent Trump executive order defines sex based on gamete size. But the order oversimplifies genetics, hormones and reproductive biology.

This is not just about personal choice; it is about national and economic stability and the future of public health ...

TEL AVIV — Four female Israeli soldiers who were taken in the attack that sparked the war in Gaza returned to Israel on Saturday after Hamas militants paraded them before a crowd of thousands in ...

JERUSALEM, Jan 25 (Reuters) - The Palestinian militant group Hamas on Saturday released four Israeli female soldiers, who were exchanged for 200 Palestinian prisoners incarcerated in Israeli jails.

by Caitlin Giddings and Wirecutter Staff Some of the best gifts for 1-year-olds are those that engage kids’ rapidly developing motor skills, sensory exploration, and boundless curiosity.

male and female" and defines a "female" as "a person belonging, at conception, to the sex that produces the large reproductive cell." The order defines "male" as "a person belonging, at conception ...

A protein that restricts muscle growth also has an unexpected role in the reproductive system, studies 1 in rodents ... The team found that treating female mice with myostatin-inhibiting ...

By contrast, if XX chromosomes are present, embryos typically absorb the Wolffian ducts and the Müllerian ducts begin to develop the female internal reproductive system. Because embryos only ...