30 JULY 2010 VOL 329 SCIENCE www.sciencemag.org Sustainability: A Household Word I THANK Q. WANG AND G. P. PETERS ET AL. (“China’s environmental civilian activism” and “Effects of China’s economic growth,” Letters, 14 May, p. 824) for responding to my Policy Forum, “China’s road to sustainability” (2 April, p. 50). Their Letters reiterated important forces affecting sustainability, which I have...

Although nobody can pinpoint exactly the date when the first computer entered the home, it is safe to say that the current diffusion cycle can be traced back to the early 1980s. The first 10 to 15 years might be described as a period of anticipation as well as one of development in fits and starts. But the next decade appears to be one of greater promise. That the Internet is at the center of t...

This paper provides new evidence on the magnitude of the elasticity of substitution between labour and capital for the Uruguayan manufacturing sector. Labour demand is derived using a right-to-manage model estimated for the period 1985-1997 using data for six industries. The evidence found suggests that the elasticity is generally less than 1. Differences by industry and in time are also found....

Background: Knowledge regarding distribution and determinants of household food insecurity focusing on vulnerable groups is utmost important for ensuring food security, which is every nation prime agenda. This study was conducted to determine the prevalence and determinants of household food insecurity among the tribal population of Purulia, West Bengal. Methods: A cross-sectional study was car...

Beliefs about warnings and habits associated with reading them were assessed for 863 individuals of various ages. Information gathered for various common household products included (a) how frequently people attend to warning information, (b) the degree of risk they believe is involved during product usage, and (c) how important they believe warnings are for different product types. Also assess...

microfinance, banking to the poor, is a recent global phenomenon introduced as a way for combating the poverty in the 1970’s. before that the poor were not allowed access to credit and loans due to the widespread belief that the poor could not repay loans. but microfinance movement with financial innovations reduced the costs and risks of lending to poor households, and presented as tool for re...

background to get more precise responses when gathering information about sensitive topics such as drug use, it is important to use the most optimal method. objectives this study was carried out to address the impact of three interview methods (street-based, household, and telephone interviews) on response pattern to sensitive and non-sensitive questions in terms of participation, disclosure an...