A new report released last week has revealed clues on North Korea's chemical weapons program by combining information on more than 30,000 patents and journal articles. The report published on the 38 North website was based on research carried out under  "Project Anthracite," a multi-year effort led by the Royal United Services Institute (RUSI) security think tank in London to use open source materials to produce a "networked overview" of North Korea's chemical weapons potential. The report