Imaging technique tracks individual bacterial cells as they leave their biofilm community / How human cells wage constant battle against bacteria / Kingdoms collide as bacteria and cells form captivating connections / Team develops promising new form of antibiotic that makes bacterial cells self-destruct / Study unveils a novel protective mechanism in bacterial cell walls / Bacterial cells transmit 'memories' to offspring, research finds / Discovery of new enzymes related to bacterial cell walls could lead to novel antibiotics