Defining gender as a condition determined strictly by a person’s genitals is based on a notion that doctors and scientists abandoned long ago as oversimplified and often medically meaningless.

Biological sex is all over the news lately. Whether it's via President Trump's executive order affecting passport policy, moving trans inmates... How is sex determined? Scientists say it's complicated ...

Dr. Nettie Stevens broke down barriers for women and opened up doors of knowledge for all humankind. She decoded the science between the two genders. A pioneering cytogeneticist and researcher at Bryn ...

A new poll found that the majority of American adults believe gender is determined at birth and are against biological males competing in women’s sports. On Friday, a new Washington Post-KFF poll ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...

Richard Dawkins, the celebrated evolutionary biologist, has recently used the claim that biological reality entails that sex is binary, to launch a broadside on the gender choices of trans people. In ...

This month the PIAA supposedly addressed the return to normalcy in Title IX as established by the Donald Trump administration. A review of the PIAA policy, which in part provides, “In accordance with ...