Sniffer bees with a nose for explosives are set to make a major breakthrough in the war on terror. An extraordinary invention by a small British company is being praised by American scientists who have been testing it. Researchers at Inscentinel Ltd, which has just three employees at its Harpenden, Herts, HQ, have developed an amazing "sniffer box" to harness the bees' incredible sense of smell. Now Inscentinel is set to cash in when its box full of computer technology that turns honeybees into bomb detectors goes into mass production. Bee sniffer squads could be on duty at airports, train...