ABSTRACT Limestone is common in rocks from all geologic periods of the Phanerozoic era as well as in many Proterozoic assemblages (1). The minerologic and fabric character of these limestones generally reflect the complex biological, physical, and climactic character of the depositional systems under which they were created. Of particular … Continue reading
Abstract In sub-Saharan Africa, arid soil coupled with a rapidly increasing demand for food has driven the development of small and large-scale irrigation schemes. Irrigation development has the potential to increase or decrease local malaria infection rates and this paper uses two conflicting case studies to identify four factors which … Continue reading
Dirty water has a profound effect on the lives of the global majority. Waterborne disease takes lives directly (1), and further weakens or kills those affected by HIV/AIDS, malaria, and malnutrition (2, 3). Viral, bacterial, prion, fungal, and protozoan waterborne diseases can be eliminated simultaneously with the provision of clean … Continue reading
Introduction Memory. It is the internal scrapbook that defines one’s individuality—a sense of self that is crucial to the human psyche. Nevertheless, due in large part to its longevity, memory is a difficult term to define. It appears to be ineffaceable, a solid entity of the past, yet it frequently … Continue reading
Introduction On March 13, 1996, a gunman shot and killed sixteen kindergartners and one adult at a primary school in Dunblane, Scotland. Other children who witnessed the massacre experienced post-traumatic stress disorder (PTSD), an anxiety disorder that persists for months or even years after a traumatic event or series of … Continue reading