Our researchers in the media Issue 2: On the battle field #1257 invites readers to discover its second issue, devoted to the topic of war and entitled "On the battlefield." The two guest editors, Julie Le Mazier and Grégory Daho, draw upon the Sorbonne War Studies research program and the work of its researchers in multiple disciplines at Université 1 Panthéon–Sorbonne who look at this topic from the viewpoint of complementary methods. Sur le champ de bataille #1257