Summary:

- This article discusses a scientific paper published in the journal eLife that challenges the commonly held view that biological sex is a binary of male and female.

- The paper presents evidence that biological sex exists on a spectrum, with a range of intersex variations that do not fit neatly into the male-female binary.

- The article highlights the importance of this research in advancing our scientific understanding of human biology and promoting inclusivity for individuals who do not identify with traditional gender norms.