The analyses substantially delineating "integrative studies of large urban areas as bio-physical-social complexes" and the suggestions by Pickett et al.in "Beyond Urban Legends" (Bioscience 2008 58 139-150) provide an initial framework for a theory of urban ecology.This article intends to contribute to the project by: 1) improving the philosophical
Rapid population growth in developing cities often outpaces improvements to drinking water supplies, and sub-Saharan Africa as a region has the highest percentage of urban population without deva curl arc angel piped water access, a figure that continues to grow.Accra, Ghana, implements a rationing system to distribute limited piped water resources
Microfluidics provides a great opportunity to create devices capable of outperforming classical techniques in biomedical and chemical research.In this review, the origins of this emerging field click here in the microelectronics industry are detailed.We also appraise how factors such as government funding influenced the development of new materials
Mechanically assisted crevice corrosion in modular total hip replacements may lead to an adverse local tissue reaction (ALTR) with a variety of sequelae.Although an ALTR tennessee titans dog bandana is most commonly recognized with metal-on-metal modular hip constructs, tribocorrosion at the head-neck junction of metal-on-polyethylene (MoP) total h