Bryan and Cherry Alexander / Memorial for villagers of Pogost who lost their lives in Russia's Great Patriotic War (1941-45). Ryazan Province, Russia, 2006. Editorial use only.

Karl Ammann / Female Bonobo displaying genitals. Bonobos make love, not war! Instead of using aggression to settle disputes and establish dominance, they have sex. A casual arrangement exists between all members of...

Paul D Stewart / Illustration of War Elephant (Elephas maximus), 1552, The Cosmographia, Book V, by Sebastian Munster (the early latin edition from the Basel printing house of Sebastian Heinrich Petri). Woodcut plate...