Researchers have discovered that ants slice quickly through plant matter by vibrating their jaws like an electric knife. The vibrations originate in the ants' hindmost body segment (the gaster) shown here tucked under the ant's body.

Atta cephalotes. Central America.

Researchers have discovered that ants slice quickly through plant matter by vibrating their jaws like an electric knife. The vibrations originate in the ants' hindmost body segment (the gaster) shown here tucked under the ant's body.

Atta cephalotes. Central America.