Mice That Only Watched Fights Became Better Fighters, and Their Brains Partly Rewired Like Real Brawlers’
Nature World News | 11.11.2026 12:17
Male mice that spent eight days watching other mice fight performed better in their own first real fight, attacking sooner and turning their backs less, according to a Princeton University study published Nov. 4 in Nature. The spectators did not become more aggressive overall, but their brain activity shifted partway toward that of experienced fighters.
