Tech

Fungus foils invading hordes of crazy ants, and that’s great for Texas

Enlarge / Tawny crazy ants (Nylanderia fulva) feeding on a cricket. (credit: Lawrence E. Gilbert) Several years ago, staffers at Estero Llano Grande State Park in Weslaco, Texas, noticed a new type of invasive ant species. Tawny crazy ants were so aggressive that they were driving birds out of their nests and occasionally swarming over […]

Tech

Tiny Jenga: Ants can sense which soil grains to remove when digging tunnels

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 . (credit: Kimberly Hosey/Getty Images ) Ants are prodigious diggers, constructing elaborate nests with multiple layers connected by an […]