Rescue robot of tomorrow may be a cockroach in scuba suit

A cockroach in a tiny scuba suit sounds like something you would run from, not something you would send into a disaster zone. Yet scientists say this strange little setup could one day help rescue teams search places people and larger robots cannot safely reach. Researchers from NTU Singapore and Waseda University have developed a flexible diving suit for cyborg cockroaches. The suit lets the insects survive and move underwater, as well as through low-oxygen spaces, for up to three hours. The st