Chris Cooksey
FeatureThe battle for magenta
Three years after the discovery of mauveine in 1856 by William Henry Perkin, the second commercially synthetic dye, magenta, was in production
FeatureGeorge III, indigo and the blue ring test
Can a urine test offer insight into George III's insanity?
FeatureBiting insects - a challenge for chemists
In many parts of the world biting insects are major disease vectors, being the source of malaria and yellow fever for example, though in the UK they are mainly just a nuisance