Article removed after US complains it could help terrorists

A paper written for Proceedings of the National Academy of Sciences has been pulled from publication after US government officials described it as a “road map for terrorists” wanting to contaminate the United States' milk supply with biological agents.

The paper, authored by Lawrence Wein, a professor and bioterrorism expert at Stanford University, pointed out security weaknesses in the milk distribution network. He recommended that the Food and Drug Administration tighten its guidelines …