image: This is Tom Tregenza with a field cricket being swabbed for analysis of its surface chemistry, which determines how it 'smells' to other crickets. This image relates to an article that appeared in the June 4, 2010, issue of Science, published by AAAS. The study, by Dr. Rolando Rodriguez-Muñoz of the University of Exeter in Penryn, UK, and colleagues, is titled, "Natural and Sexual Selection in a Wild Insect Population." view more
Credit: Thor Veen