Meanings that Roman authors gave to nisus (NYsus), a word chiefly used in poetry, ranged from the pedestrian (a step or tread) to the celestial (the course of the stars). Cicero, Horace, Vergil, and others used nisus to convey striving, endeavor, ascent, flight, and the pain of giving birth.1,2 In this issue of Neurology, a new feature, Nisus, steps forth, to link neurology and neurologists wit...

A cell can move and reproduce, but it usually can't do both simultaneously. As Makagiansar et al. report on page 155, the pattern of phosphorylation on a membrane proteoglycan helps determine whether cells grow or go. The phosphory-lation differences direct the molecule to distinct parts of the cell membrane. Even cancer cells have to slow down before they can divide, as do normal progenitor ce...

In this paper we exploit a volunteer-based paradigm for archeological aims. In particular, we present PetroAdvisor, a system supporting several fundamental activities to digitally preserve petroglyph sites. The system exploits a rewarding strategy to stimulate people participation to the project, so that those entering useful information gain free archeological data, tips on excursions and tour...

  Background: It has been prover that the prevalence of experiencing job related stress is very high among the dentists. This stress can be the result of factors such as poor lightening of dental office and noise. This stress can cause emotional distress and threaten dentists’ physical health and affect the quality of their life. This study is conducted to determine dentists’ p...