California-based textile company Pi-Ray America on Wednesday unveiled a revolutionary new fibre which uses embedded mineral content to beat infection and odour and improve circulation. The firm said tests show the socks, thousands of pairs of which have been sent to military units in Iraq, beats bacteria including Staphylococcus, Bacillus Subtillis, klebsiella, and Pseudomonas areoginosa, and various types of fungi including Candida albicans, and Athletic fungus.