Identifying the causative agent of an infectious disease is a notoriously tricky, but vitally important, business. When faced with new potential pathogens, the principles fostered by Koch's postulates ...

In his criticism of scientists who find Koch's postulates obsolete,1 Todd Miller overlooks one important point. Recruiting volunteers to apply Koch's postulates to diseases such as Ebola fever and ...

EVERY physicist is greatly indebted both to Prof. Bohr for committing to paper, and to NATURE for printing, the admirable account of the new wave mechanics entitled “The Quantum Postulate and the ...