The evidence we have on chronic poverty and the fortunes of the poorest people suggests that a significant proportion of the poor, between one quarter and one half, are chronically poor in low and lower middle income countries. Using the limited available data covering the last 20 years, this paper examines whether those that were poor in the 1990s could plausibly still be poor today despite in...

The papers by Palmer (2013) and Schlinger (2013) center on Skinner’s analysis of verbal behavior, especially those aspects of the analysis that touch on scientific and logical behavior. Skinner conceived of science as the collective activity of scientists behaving in socially coordinated ways. These collective activities are behavioral acts (observing, describing, measuring, analyzing, interpre...

Semen quality appears to have declined in recent decades in some populations, e.g. north-western Europe. At the same time, couple fertility may have increased. Hypotheses are suggested for this apparent inconsistency. Alongside the deterioration of spermatogenesis there is clear evidence of an increase in other related problems, notably testicular cancer. The sharply rising trend in this condit...

This Study Guide is intended as an orientation to the four parts of the film WATER AND THE DREAM OF THE ENGINEERS. It presents the perspective of the film and offers general background material for teachers unfamiliar with .the subject. For further reading, a brief bibliography is provzded. At the end of the notes for each section is a set of study questions teachers might use with their studen...