[□=□] □ □
[tag=□] □ □
[word=□] □ □
Besides the scientific and technical aspects of xenotransplantation described in the first part of this document , anthropological and ethical considerations are also involved . The sudden demand for optical instruments of all kinds in Australia in the early part of the war of 1939-45 constituted what was , up to that time , probably one of the most exacting of the demands made on the scientific and manufacturing resources of the country . After compiling lists of suspected toxicants from the scientific and regulatory literature ( which often focus on the same small set of well-studied toxicants ) , Environmental Defense initiated a research project to supplement available hazard identification with the results of a review of two large toxicological databases : the National Institute for Occupational Safety and Health 's Registry of the Toxic Effects of Chemical Substances ( RTECS ) database and the Carcinogenic Potency database ( CPDB ) . In this well-researched , briskly written account , the authors focus on the scientific and military aspects of the subject , as well as governmental and diplomatic issues . This handbook contains a wealth of information , presented mainly in the form of tables and figures , on the scientific and technical aspects of biotechnology . Your sphere of advisors has seemed unusually distant from the scientific and technical communities . There has been little new data which has appeared from the scientific or theological communities over this time .