David Webster: An Activist Anthropologist Twenty Years On1

Twenty years of environmental health research. A dedication to David P. Rall. Introduction.

ENVIRONMENTAL HEALTH PERSPECTIVES, thejournal of the National Institute of Environmental Health Sciences, was first published as an experimental journal in April of 1972. The function of the NIEHS is to conduct and support basic biomedical research on the effects of various environmental agents and conditions adverse to human health and to inform the Federal and scientific community of possible...

Twenty years of progress. . . an editorial.

a t the end of World War II the Veterans Administration faced a chaotic situation in prosthetic and sensory aids. The problems of the amputees were particularly acute. Thousands of servicemen were being discharged rapidly, fitted and trained in military and naval amputation centers with serviceable but supposedly " temporary " artificial limbs. The amputees were referred for " permanent " limbs...

Twenty-Five Years Ago

Twenty years of technology.

In looking back at previous issues of RNA and my own eight RNA papers, what strikes me, in addition to all the great science that’s been published in our society journal over the past 20 years, is the evolution (or more properly, revolution!) in the methods and technologies we use. Equally striking has been the exponential increase in the amount of data in each published paper. In two decades, ...

Twenty years of marriages.

In 1994, a total of 159,959 marriages were performed in Canada, up only slightly from 159,316 the year before. This small increase had no effect on the crude marriage rate, which remained at 5.5 marriages per 1,000 population. Aside from a brief uptum in the late 1980s, Canada's marriage rate has fallen quite steadily since the early 1970s. The overall decline is also evident when rates are dis...