If you have ever watched ants move, you might have noticed that they almost always walk in a neat line, one behind the other. While it may look like discipline or training, scientists say this pattern is actually the result of chemical communication, teamwork, and survival instincts. According to researchers who study insect behaviour, the secret lies in a special scent trail that helps ants move efficiently, find food, and stay safe. Pheromones Experts explain that ants walk in a line because they follow chemical signals known as pheromones. When a...