A suite of Permian sylvite samples from Boulby potash mine, Yorkshire, UK, consistently yield traces of hydrogen upon analysis by a cold crush technique for liberating volatiles from entrapped fluid inclusions. In contrast, accompanying halite samples do not yield hydrogen. These data suggest the formation of hydrogen by radiolysis of water due to irradiation from potassium in the sylvite. The ...

condition in tropical India. Occasionally it is associated with impairment of the health of the patient, such as indigestion, sprue-like diarrhoea, and anaemia, so that it is not to be lightly regarded. The resistance of the disease to treatment is well known, and is reflected in the numerous local remedies which have been recommended, of which the best are tincture of iodine, peroxide of hydro...