London.Western attention is focusing,belatedly,on a major scientific project in mainland China:total synthesis of bovine insulin which possesses the full biological activity of natural insulin.The existence of the project,which some Western scientists have visited recently,indicates that China is making a modest but significant effort in fundamental biochemistry.The synthesis of the two chains of which insulin is composed,and their successful assembly into a complete and fully active molecule,was briefly London. Western attention is focusing, belatedly, on a major scientific project in mainland China: total synthesis of bovine insulin which possesses the full biological activity of natural insulin. The existence of the project, which some Western scientists have visited recently, that that China is making a modest but significant in fundamental biochemistry. The synthesis of the two chains of which insulin is composed, and their successful assembly into a complete and fully active molecule, briefly