Who Provides Arts Programs in Knight Communities? An Analysis of Nonprofit Data From IRS Forms 990

Analyzes the role of nonprofits in providing arts and cultural programs, activities, and initiatives to the 26 communities in which the Knight Foundation makes grants

Space station electrical power system availability study

ARINC Research Corporation performed a preliminary reliability, and maintainability (RAM) anlaysis of the NASA space station Electric Power Station (EPS). The analysis was performed using the ARINC Research developed UNIRAM RAM assessment methodology and software program. The analysis was performed in two phases: EPS modeling and EPS RAM assessment. The EPS was modeled in four parts: the insolar power generation system, the eclipse power generation system, the power management and distribution system (both ring and radial power distribution control unit (PDCU) architectures), and the power distribution to the inner keel PDCUs. The EPS RAM assessment was conducted in five steps: the use of UNIRAM to perform baseline EPS model analyses and to determine the orbital replacement unit (ORU) criticalities; the determination of EPS sensitivity to on-orbit spared of ORUs and the provision of an indication of which ORUs may need to be spared on-orbit; the determination of EPS sensitivity to changes in ORU reliability; the determination of the expected annual number of ORU failures; and the integration of the power generator system model results with the distribution system model results to assess the full EPS. Conclusions were drawn and recommendations were made

Primary Care Intervention: Medication Reconciliation Reduces Rehospitalizations

Practice Problem: Patients are put at risk for adverse medications events when diligent care is not taken by healthcare staff. Medication discrepancies and oversights from medical personal can lead to severe illness or even death of a patient. PICOT: The PICOT question for this project is: For patients 65 years and older (P) does a review of a hard copy of discharge instructions (I)compared to current practice during a visit, (C) impact the number of hospital readmission (O)in eight weeks (T)? Evidence: Medication reconciliation at each point of care, patient education on medication management, and involving patients in their own treatment plan fosters patient compliance and helps reduce hospitalizations and adverse patient events. Outcome: The intervention of medications reconciliation at each point of contact at the physicians led to zero hospital readmissions over an eight-week period. Conclusion: Medication reconciliations and patient education are an important intervention to help promote wellness, patient engagement and prevent medication adverse events

Timing of Metamorphosis in a Freshwater Crustacean: Comparison with Anuran Models

Many crustaceans have complex life cycles characterized by a metamorphosis, yet variation in metamorphic traits, and the causes and consequences of this variation, have rarely been examined. Food concentrations were changed during specific larval stages of the freshwater copepod Mesocyclops edax Forbes (Copepoda: Cyclopoida) to examine whether age and size at metamorphosis remain flexible or become fixed during the larval period. Results were compared to predictions of both flexible (the Wilbur—Collins model) and fixed (Leips—Travis model) rate models for the timing of amphibian metamorphosis. Age and size at metamorphosis were variable in all treatments, and age was always more variable than size. Changes in food concentration early in larval development resulted in significant differences in age at metamorphosis among treatments, but changes initiated when 60% of the larval period had passed had no effect on age at metamorphosis. Development appeared to become fixed later in the larval period, before the ultimate larval stage was reached. These results support predictions of the Leips—Travis model. Early changes in food concentrations had significant effects on size at metamorphosis, but changes initiated during the penultimate larval stage (50—60% of larval development) had no effect on metamorph size. Size at metamorphosis in M. edax also appeared to be fixed before the ultimate larval stage was reached. Fixation of size at metamorphosis during development is not predicted by either model and may be unique to organisms with rigid exoskeletons that constrain growth within any stage. Patterns of covariation between age and size at metamorphosis suggest that food conditions early in larval development exert a large effect on metamorphic traits, in contrast to patterns observed in several amphibian species. The Wilbur—Collins model places a fitness premium on delaying metamorphosis to achieve a maximum size, when growth conditions are favorable; it thus may not apply to crustaceans. Selection pressures on the timing of metamorphosis in crustaceans may differ substantially from those identified for amphibians and other organisms. Because of these differences, incorporating crustaceans into studies of metamorphosis will help to clarify the factors affecting this life cycle transition