It might sound the stuff of nightmares, but giant cyborg beetles could soon be winging their way to a town near you, after scientists proved they can wire up insects and control them remotely. Several labs across the world are trying to design robot insect swarms because the creatures are good at getting into nooks and crannies so they could quickly locate earthquake survivors in piles of rubble, carry out surveillance or eavesdrop on criminals or terrorists. But engineers at Nanyang Technological University in Singapore and the University of California Berkeley have gone one step further. Instead of creating robots...