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We investigate homogeneous and isotropic oscillating cosmologies with multiple fluid components. Transfer of energy between these fluids is included in order to model the effects of non-equilibrium behavior on closed universes. We find exact solutions which display a range of new behaviors for the expansion scale factor. Detailed examples are studied for the exchange of energy from dust or scal...

Gravity has previously been hypothesised to be active as a Zeitgeber (TIrrMAR, 1973). Presented is an argument containing physiological and geophysical evidence by which substance is given to the earlier hypothesis. The "clock mechanism" is briefly discussed. In his presentation of Gravity being a potential Zeitgeber, TITTMAR (1973) provided an ad reducto account for his hypothesis, but neglect...

The present paper studies the Hotelling-Downs and the Wittman-Roemer models of two-party competition when voter conformism is present and the policy space is uni-dimensional. We consider two types of voter conformism, bandwagon and underdog, and study their effects on political equilibrium of the two models. Even if voter conformism is present, the Hotelling-Downs parties propose an identical p...

We compared the mycelial to yeast transitions of the Downs strain of Histoplasma capsulatum (low level of virulence) with those of G184A and G222B, two more virulent strains having different levels of pathogenicity for mice. When the morphological transitions are initiated by a temperature shift from 25 degrees to 37 degrees C, all three strains undergo similar physiological changes, but these ...

F physicians often feel devalued in our complex and “specialized” world. Specialization and subspecialization are highly valued; generalism is discounted. Family doctors are not alone in feeling disparaged; other generalists, such as general internists, general pediatricians, and general surgeons, sometimes feel this way too. Our colleagues in the traditional specialties also experience put-dow...

OVERVIEW Nearly everyone will experience motion sickness at some point. It's thought to be caused by confusion among the vestibular, visual, and proprioceptive systems; the associated nausea is thought to involve neurons in the hypothalamus and a portion of the cerebral cortex. Although many remedies are available, none has been proven to be effective for everyone. Pharma cologic treatments inc...

We consider the Hotelling-Downs model with n ≥ 2 office seeking candidates and runoff voting. We show that Nash equilibria in pure strategies always exist and that there are typically multiple equilibria, both convergent (all candidates are located at the median) and divergent (candidates locate at distinct positions), though only divergent equilibria are robust to free entry. Moreover, two-pol...

Reversible acetylation has emerged as a key post-translational modification of proteins. Although the number of acetylated proteins is rapidly growing, the ways in which protein acetyltransferases and deacetylases connect with extracellular stimuli remain unclear. Recently, a regulatory network has emerged that controls the expression and activity of SIRT1, a mammalian class-III protein deacety...