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being healthy is important for living well and achieving longevity. in the business realm, furthermore, employers want healthy employees, as these workers tend to be more productive, have fewer rates of absenteeism, and use less of their health insurance resources. this article provides an overview of corporate “wellness” efforts in the american workplace and the concomitant challenges which em...

effects of atp and mg2+ concentrations on bioluminescence reaction of luciferase (photinus pyralis) were investigated by home-made luminometer. the michaelis constants of the enzyme for atp and mg2+ obtained from the lineweaver-burk graph, were 61.9 mm ±3.3 mm and 251.6mm ± 39.0mm respectively. optimum concentration of mg2+ for maximum luminescence was 0.004 m.

this paper focuses on a number of american stories which helped educate people and bring about legal or social change. there are many stories which caused major or minor legal and political change, particularly, in the united states. some of them are written by herman melville, harriet beecher stowe, upton sinclair and sidney kingsley. after the publication of white jacket by melville the novel...

textbooks play a pivotal role in language learning classrooms. the problem is, among a wide range of textbooks available, which one is more appropriate for a specific classroom and a group of learners. in order to evaluate elt textbooks, theorists and writers have offered different kinds of evaluative frameworks based on a number of principles and criteria. this study evaluates one example of s...

the community of latin american and caribbean states, celac, is among the biggest latin american :union:s in the region.  this :union:, which includes the american countries except for the united states and canada, has been created to create the vast grounds of political and economical cooperation in the region.  celac has been considered by political analysts as an influential factor in politi...

this paper showed the results of a qualitative investigation that looked into intracultural communication between brazilian teachers and students of english, and intercultural communication between american teachers and brazilian students of english. the aims were to identify and describe contextualization cues used by both brazilian and american speakers of english, and to connect these cues w...

this paper showed the results of a qualitative investigation that looked into intracultural communication between brazilian teachers and students of english, and intercultural communication between american teachers and brazilian students of english. the aims were to identify and describe contextualization cues used by both brazilian and american speakers of english, and to connect these cues w...