In response to Trump’s Day One biological sex executive order, three prominent evolutionary biology organizations sent a public letter to the president saying biological sex “is not a binary ...

Sex is not one single, simple, uniform biological reality, so biology cannot be invoked as a basis for “immutable” legal classifications ...

Trump executive order declaring only ‘two sexes’ gets the biology wrong, scientists say Order describes sex as an ‘immutable biological classification as either male or female’ ...

The authors have called their biological model "SynNeurGe". The "Syn" stands for alpha-synuclein, a protein that in most Parkinson's patients causes abnormal deposits called Lewy bodies.

U.K. Supreme Court defines ‘woman’ by biology under equality law The ruling was a blow to trans rights advocates and cheered by For Women Scotland, which filed the case. The government said it ...