
The trails of ants marching along your skirting board are drawn in scent, not sight — each ant lays a chemical line the next follows, and the path only fades when the food runs out and no one refreshes it
The orderly columns of ants crossing a kitchen counter are not following a plan or a leader. They are following a chemical residue laid by the ants ahead of them, refreshed with every successful trip and vanishing within hours when the food runs out.














