Ants are able to remember unpleasant encounters and react aggressively to familiar opponents. . . For five days, the subjects met their “rivals” and remembered their smells.. . However, their reaction was much calmer when they again met passive opponents. . Scientists suggest that the behavior of ants largely depends on the nature of the preliminary interaction. . . . Subscribe to our channels https://t. me/korrespondentnet and WhatsApp Author: 1.