This paper presents the completed series of life tables from 1751 to 1995 that was used in identifying the four stages of mortality transition in Finland, separated by the years 1880, 1945, and 1970. The series documents all the different stages of mortality transition from high to low levels in an originally agricultural country experiencing many wars, famines, and other crises, as well as ma...

Rachel Carson's 1962 Silent Spring exposed both observed and potential environmental and health externalities of the increasing organochlorine and organophosphate insecticide use in the United States post-World War II. Silent Spring was a critical component in a popular movement that resulted in increased regulation and the development of safer pesticides. Most changes in pesticide use in the g...

Taking Anhui as an example, this paper analyzes the tourism development data of and main economic indicators domestic since 2005, studies status Anhui's economy, discusses existing problems their impact on macroeconomic growth. Finally, it puts forward measures to promote rapid stable economy in Province, so growth national income development.

A definitive history of geomagnetism is yet to be written, but brief accounts have appeared in various publications. The story up to 1940 has been summarized (Chapman and Bartels, pp. 898-936). Perhaps the most complete account is by David R. Barraclough (pp. 584-592). Brief accounts have also been given by Stuart Malin (in Jacobs, ed., Geomagnetism, 1: 1-50), and others (Multhauf and Good, pp....