> Nedelcu and her colleagues found that if you alleviate their physiological stress — by providing them with a boost of antioxidants — they don’t have sex. Wel

> Nedelcu and her colleagues found that if you alleviate their physiological stress — by providing them with a boost of antioxidants — they don’t have sex. Well that explains a lot. In all seriousness, I find that the idea in the article raises another question. If mating can increase individual fitness by sharing something, how is that explanation of sex different than being a member of a social group? Social species take the idea even further. Is sex simply the building block for social behaviors, and more sophisticated adaptations beyond sex are now available?