thousand. Four years later there were about two hundred camps in existence, and five thousand boys were in the field. The number has increased steadily and rapidly in the last five years. Five years ago about ten thousand boys received the benefit of outdoor life during the summer months. During the past season, 1907, there were between four and five hundred summer camps, and about twenty-five ...

Performance details for special purpose, high velocity sabots are described. These sabots were designed and developed for launching high density projectiles, of rod form, with overall length to diameter ratios varying from less than one to twenty-five.

Twenty-five years ago, in January 1970, Laud Humphreys' Tearoom Trade was published. It generated much controversy, yet went on to win the C. Wright Mills Award of the Society for the Study of Social Problems. Today, many remember and debate its methodology and ethical issues while often overlooking its important findings and its early contributions to the emerging field of gay studies. Humphre...

The US automobile industry has been the subject of a wide range of policy objectives, particularly within the past twenty five years. Some of these policies, for example fuel economy and emission standards, are roughly complementary, where improvements in one area can also lead to improvements in the other. However, some of these policies conflict with one another, for example, safety and fuel ...

No longer do scientists look down on macrophages as "garbage men" that act "nonspecifically." Last fall's Nobel Prizes honored two of the few scientists who studied macrophages three decades ago. Now perhaps thousands do, and the subtypes they describe reflect ongoing discoveries of macrophages' extraordinary plasticity.

Over the last twenty-five years or so, the school improvement research base has gained prominence and recognition on the international stage. In both a theoretical and empirical sense it has matured through a wide range of successful projects, interventions and innovations across a range of countries, about how to help schools become increasingly effective learning environments for all their st...

Although there is an extensive literature on the placebo effect in psychotherapy, the distinction between the placebo and other elements of the therapeutic process has not been clear. This paper analyzes the therapeutic relationship in terms of separating the placebo elements and the specific actors. The so-called nonspecific elements, often equated with the placebo, are proposed as the specifi...

My book, The Darwinian Revolution gives an overview of the revolution as understood at the time of its writing (1979). It shows that many factors were involved, from straight science through philosophical methodology, and on to religious influences and challenges. Also of importance were social factors, not the least of which was the professionalization of science in Britain in the 19th century...

Fertility pattern and reproductive behaviours affect infant death in Nigeria. Household food insecurity and poor care practices also place children at risk of morbidity and mortality. The objectives of this study were to assess the influence of family size, household food security status, and child care practices on the nutritional status of under-five children in Ile-Ife, Nigeria. The study em...

A prospective study was performed to better define the role of computers in teaching radiology to medical students. Two hundred twenty-five 3rd-year students were randomly assigned to one of four groups and exposed to 10 radiology cases as well as to a voluntary weekly radiology lecture. Group A used computer-based cases with interactive elements; group B used computer-based cases without inter...