Heritage Science is emerging as a discipline that brings together chemists, physicists, microbiologists, conservation scientists, archaeologists and conservators. Its scope, precise boundaries and the interfaces between its component disciplines may be in a state of flux but, above all, its interdisciplinary nature offers understanding of the causes, control and protection of heritage from ever-present environmental challenges. In particular, the activities of microbes play a central part in shaping the natural world of our planet but this awesome power constitutes a serious threat to the...