Chile's health system has been evolving rapidly in recent years. Among other things, profit-making enterprises have assumed a growing role, medical care has become increasingly technical, and the importance of less highly trained health workers has grown. Also, the assigned role of the Chilean Medical Association in deciding matters of medical misconduct has diminished, while that of the courts...

INTRODUCTION Geographic information systems (GIS) have evolved over the past four decades to provide a unique lens on the Earth’s surface and near-surface – a lens that is increasingly important in a wide range of tasks associated with geographic information, from simple inventory and map-making to analysis, modeling, and spatial decision support. The power of the lens has grown steadily as its...

The production of food animals today requires large amounts energy, land, chemicals, and water—all which are becoming increasingly scarce [...]