The eggshells of drosophilid species provide a powerful model for studying the origins of morphological diversity. The dorsal appendages, or respiratory filaments, of these eggshells display a remarkable interspecies variation in number and shape, and the epithelial patterning underlying the formation of these structures is an area of active research. To extend the analysis of dorsal appendage ...

Since its publication in 1971, George J. Stigler’s “Theory of Economic Regulation” (1971), secured place as the dominant theory causes and consequences regulation economics. The article was cited by economic Nobel prize committee one reasons Stigler received 1982. In his article, (1971) frames conversation regarding around an analysis political demand for supply regulation. Following 50th anniv...

An unusual mesoscale snowstorm is analyzed. It occurred on December 18, 1971 and affected a large area of eastern Massachusetts with up to 12" of new snow in a highly localized area, mainly in the Marblehead-Peabody region. The snow was associated with a closed cyclonic circulation in Massachusetts Bay which later was steered by low-level northwesterlies to Cape Cod Bay and affected that area w...