This article examines the extent to which indicators of the college-going climate of urban high schools are associated with students’ application to, enrollment in, and choice among four-year colleges. The investigators examine two mechanisms by which high schools may shape college enrollment among low-income students in an urban school system: (1) by ensuring whether seniors who aspire to a fo...

ANTONIS MARKOGIANNAKIS, PANAYOTIS T. TASSIOS, MARIA LAMBIRI, LINDA R. WARD, JENNY KOUREA-KREMASTINOU, NICHOLAS J. LEGAKIS, THE GREEK NONTYPHOIDAL SALMONELLA STUDY GROUP,† AND ALKIVIADIS C. VATOPOULOS* Department of Microbiology and Department of Hygiene and Epidemiology, Medical School, University of Athens, and National Reference Centre for Salmonella and Shigella, National School of Public He...

O April 28, 1996, in the historic Tasmanian penal colony of Port Arthur, a lone gunman killed thirty-five persons with a semiautomatic rifle. Following that incident, which was the largest of a series of mass homicides, the federal and state governments of Australia agreed on a broad plan of gun control, implemented over the following twelve months. The new controls included prohibitions on cer...

The bindweeds Calystegia sepium and Convolvulus arvensis are difficult to control chemically. Calystegia sepium is often a problem in maize or in vineyards, while C. arvensis is an important weed of cereals. The biological control of these weeds with insects or fungal pathogens has been investigated since 1970. More than 600 fungi collected in countries throughout Europe have been isolated in o...