Understanding the meaning of "equals" in mathematics tells us a lot about both the nuance and richness in the field, but also how ideas of equality are used or misused in life ...

London — In a potential landmark decision, the U.K. Supreme Court ruled Wednesday that in a 2010 civil rights law called the Equality Act, the word "woman" refers to someone's biological sex.

The United Kingdom’s highest court ruled that the legal definition of “woman” excludes trans women, in a case with sweeping consequences for how equality laws are applied. Britain’s ...