Look out for holes in cardboard boxes, musty smells, and dead or alive cockroaches in various areas.Easy preventative methods include sealing off all entry points, removing standing water, and ...

Winning roaches hiss more than losers, so the sounds may be used to help determine a roach hierarchy. Hissing is also part of the cockroach's mating ritual, and can be used as an effective alarm cry.

The discovery of the insecticide DDT in the 1940s kickstarted what Booth calls an “arms race” between ever-more-deadly chemicals and the adaptable cockroach genome. Part of the problem is the ...