Rescuers will use electronic noses to locate disaster victims

the PopMechanics Brain Trust : scientist
Some devices will use an array of sensors to rapidly detect carbon dioxide, ammonia, and acetone released into the rubble via breath, sweat, and skin. Others sniff out chemical compounds from human remains buried 3 feet underground. All keep working long after the dogs have retired to their kennels

Popular mechanics, (2012) "110 Predictions For the Next 110 Years", [online], Available: