The Need of Insular Exploration as Illutstrated by Birds: DR. ROBERT CUSHMAN MURPHY .............................. 533 Scientific Events: Research Grants of the Virginia Academy of Science; Congress of American Industry of the National Association of Manufacturers; Award of the Roebling Medal of the Mineralogical Society of America to Dr. Schaller; Medals of the American Geographical Society fo...

Climate policy proposals based on cap and trade mechanisms with tight caps will likely lead to highly volatile CO2 prices. This volatility is ignored in many studies, even though it can be expected to exceed that of natural gas and to exceed the wide ranges in CO2 price forecasts. Volatility will significantly increase investment risk, raise the cost of capital, and make it valuable to defer in...

In this article, we describe the use of dental services by the civilian noninstitutionalized population of the United States in 1980. Data are presented on the extent to which this population is insured for dental expenses, their use of dental services, the charges incurred, and the sources of payment for these services.

INTRODUCTION It has been nearly 20 yr since the first published astronaut mortality analysis. Using astronaut vital data and general population mortality rates, we calculate Standardized Mortality Ratios (SMR) for both total and specific causes of death among astronauts between January 1980 and June 2009 to look for changes in mortality patterns over time. METHODS Astronaut vital data were de...