Nature 422, 368 - 369 (2003); doi:10.1038/422368a Joan Roughgarden profile: A plea for diversity Joan — formerly Jonathan — Roughgarden rejects established evolutionary ideas about gender roles and sexuality. Everyone wants to discuss the parallels with her personal experience. But the science speaks for itself, she tells Virginia Gewin. Darwin's legacy is under attack. His fundamental theory of evolution by natural selection retains its status as the bedrock of modern biology, but a new generation of researchers is challenging his later ideas about evolutionary aspects of sex and gender. And this movement has just gained an eloquent spokesperson — albeit...