image: Bulb mites copulating. This material relates to a paper that appeared in the March 15, 2017, issue of Science Advances, published by AAAS. The paper, by A. ukasiewicz at Adam Mickiewicz University in Pozna, Poland, and colleagues was titled, 'Kin selection promotes female productivity and cooperation between the sexes.' view more
Credit: [Credit: A. ?ukasiewicz]