Hemp makes a comeback.

Reports that hemp products have made a comeback in Germany. Decision taken by the German government to re-legalize cultivation of some species of hemp; Uses of hemp as damp-resistant paper, clothing and building materials; Popularity of hemp-based products among German environmentalists; Difficulties in processing hemp plants; Ways in which the government plans to check presence of banned substances produced from hemp; Application of ultrasound to process hemp plants; Use of steam pressure by the Institute of Applied Research in Reutlingen, to process hemp plant.