A New York Times reports claims North Korea may be developing biological weapons,... calling it one of the regime's "less known military threats." <br />According to analysis published by the Middlebury Institute of International Studies,... the North is collaborating with foreign researchers to learn biotechnology skills and build relevant machinery. <br />As a result, they say,... the North's capabilities are increasing rapidly.<br />Other analysts says satellite images show the North is interested in biotechnology and germ advances. <br />