Hissing is also part of the cockroach's mating ritual, and can be used as an effective alarm cry. Most insects that make noise do so by rubbing their body parts together or by employing vibrating ...

so I think there's still plenty of room for us to keep working.

For as long as humans have been around, the cockroach has been an uninvited house guest. But how much do you know about these resilient creatures? Britain has three native species of cockroach.

The German cockroach is one well-adapted bug. All our attempts to wipe it out is only making it stronger. It's evolved to avoid poison bait laced with glucose — something few living things do.