Insect pests like red fire ants frequently infest electrical equipment, like this traffic signal box. That cockroach skittering behind your computer may be after more than your sandwich crumbs: It ...

Ah, cockroaches. The scummy, skittering, pesky little pests that somehow manage to vanish whenever you flick on the bathroom light. Like Mother Nature's little Batmans. Part of what makes them so hard ...