image: Picture of an aggressive male cricket, with spread mandibles, about to attack an opponent (out of focus in left foreground). This material relates to a paper that appeared in the March 13, 2015, issue of Science, published by AAAS. The paper, by P.A. Stevenson at Leipzig University in Leipzig, Germany, and colleagues was titled, 'Adding up the odds--Nitric oxide signaling underlies the decision to flee and post-conflict depression of aggression.' view more
Credit: [Credit: Paul A. Stevenson and Jan Rillich]