form to which the bacterium can reduce itself. Endospore formation is usually triggered by a lack

been enlisted while at Cambridge. [ 25 ] In October 1897, a brief illness triggered considerations of mortality

that iron is at the oxidation state +3. Green and reddish brown stains on a limestone

discovery of man-made synthetic dyes in the mid-19th century triggered a long

to sick building syndrome . Plaster and paint deteriorate and wallpaper loosens. Stains, from the water