the final phase of smoothing in making a boomerang was done with twenty or thirty “casual stones”: “directly they are blunt, they are thrown away and another picked up” (Horne and Aiston2009, p. 106). In western New Britain
For the first time, we propose the use of an extremophilic bacterium to remove nitrate salt efflorescence from the surfaces of stone samples. A haloalkaliphilic bacterium was selected “ad hoc” for its ability to reduce nitrates; i.e. Halomonas campaniensis sp. nov., strain 5AGT (DSM 15...
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