Enlarge / Two ants tunneling in green gel. A new Caltech study found that ants search for and remove loose grains of soil when digging their tunnels, much like humans remove loose blocks while playing Jenga. Ants are prodigious diggers,
Enlarge / Two ants tunneling in green gel. A new Caltech study found that ants search for and remove loose grains of soil when digging their tunnels, much like humans remove loose blocks while playing Jenga. Ants are prodigious diggers,