In this paper, a case study of Counter-strike is presented in which cognitive, cultural, economical, and technological aspects of people’s gameplay activities are discussed. Most attention is given to Counter-strike as an e-sport – competitive gameplay which borrows forms from traditional sports. Also, methodological and theoretical issues related to the study are discussed, including issues of...

Building construction challenge, in recent years, is the reduction of social, economical and environmentalimpacts along with economical nature and increasing life quality, as here sustainable construction is important. Pre-fabrication and industrialization are referred as a solution of sustainable construction due to some of its main characteristics consisting of many sustainability aspects. Du...

Money has long been a taboo issue in medicine. There have been long discussions about the possible linkage between the economic analysis and the duty of saving lives. Traditionally, medical doctors have been reluctant to incorporate the economical issues into their universe. However, today we are living in a world where every action, medical or not, is evaluated according to its cost. It is imp...

A collection of questions about Bitcoin and its hypothetical relatives Bitguilder and Bitpenny is formulated. These questions concern technical issues about protocols, security issues, issues about the formalizations of informational monies in various contexts, and issues about forms of use and misuse. Some questions are formulated in the more general setting of informational monies and near-mo...

Freshwater is essential for a multitude of different uses, including drinking supply, irrigation, and energy production [...]

A number n is said to be economical if the prime power factori-sation of n can be written with no more digits than n itself. We show that under a plausible hypothesis, related to the twin prime conjecture, there are arbitrarily long sequences of consecutive economial numbers, and exhibit such a sequence of length 9.

Analysis of population health data is crucial for the success of population health. Secondary analysis of data contained in publicly available clinical, administrative, and national health survey databases is a cost-effective and scientific method for generating data to support population health. There are several issues associated with secondary analysis of population health data that must be ...