The "Morbidity and Mortality Weekly Report" ("MMWR") Series is prepared by the Centers for Disease Control and Prevention (CDC). Data presented by the Notifiable Disease Data Team and 122 Cities Mortality Data Team in the weekly "MMWR" are provisional, based on weekly reports to CDC by state health departments. This…

Research Ethics has emerged as one of the most well-developed policy areas within the sphere of Research and Innovation Management. As such, for African institutions looking to strengthen their policy frameworks, develop increased collaborations, and increase research outputs, a thorough understanding of global trends in Ethics will be vital.…

This paper reports on studies of the deterministic and stochastic behaviours of a predator-prey system with prey-dependent response function. The first part of the paper deals with the deterministic analysis of uniform boundedness, permanence, stability and bifurcation. In the second part the reproductive and mortality factors of the prey and…

A simple problem relating to birds chasing each other gives rise to a homogeneous differential equation. The solution draws on student skills in differential equations and basic co-ordinate geometry.

The paper assesses an effort by the elementary school system of Hammond, Indiana, to develop and implement an educational program to improve children's attitudes toward animal life. Three levels of humane education treatment were introduced. The first level, introduced in seven schools, consisted of an intensive program involving humane education…

Presented is an accounting of known numbers of major categories of life, from viruses to mammals. The construction of the census is described. Included are living and nonliving species and genera. (CW)