AT A recent conference on the future of the NHS workforce, I heard a speaker use the term 'physician extender' (PE) to describe nurses who are licensed by doctors to provide quasi-autonomous health care.

Discussing parasites over dinner requires particular company – like the “Parasite Ladies,” our circle of six female graduate students. Since discovering our mutual interest in disease ecology, we have supported each other’s research endeavors during weekly dinners. While we plan to sustain our support through lifelong research careers, current trends predict that 2 of the 6 of us will leave sci...

A relativistic pseudopotentional (RPP) for use in ab initio molecular electronic structure calculations is derived in the context of the relativistic effective core potential (REP) method of Lee et al. The resulting atom-specific RPP has salient features of the REP imbedded within it while retaining the form of a functional that is dynamically defined at runtime when used in calculations on mol...