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X and the City, a book of diverse and accessible math-based topics, uses basic modeling to explore a wide range of entertaining questions about urban life. How do you estimate the number of dental or doctor's offices, gas stations, restaurants, or movie theaters in a city of a given size? How can mathematics be used to maximize traffic flow through tunnels? Can you predict whether a traffic light will stay green long enough for you to cross the intersection? And what is the likelihood that your city will be hit by an asteroid? Every math problem and equation in this book tells

The impact of shift and night work on health shows a high inter- and intra-individual variability, both in terms of kind of troubles and temporal occurrence, related to various intervening factors dealing with individual characteristics, lifestyles, work demands, company organisation, family relations and social conditions. The way we define "health" and "well-being" can significantly influence appraisals, outcomes and interventions. As the goal is the optimisation of shiftworkers' health, it is necessary to go beyond the health protection and to act for health promotion. In this perspective, not only people related to medical sciences, but many other actors (ergonomists, psychologists, sociologists, educators, legislators), as well as shiftworkers themselves. Many models have been proposed aimed at describing the intervening variables mediating and/or moderating the effects; they try to define the interactions and the pathways connecting risk factors and outcomes through several human dimensions, which refer to physiology, psychology, pathology, sociology, ergonomics, economics, politics, and ethics. So, different criteria can be used to evaluate shiftworkers' health and well-being, starting from biological rhythms and ending in severe health disorders, passing through psychological strain, job dissatisfaction, family perturbation and social dis-adaptation, both in the short- and long-term. Consequently, it appears rather arbitrary to focus the problem of shiftworkers' health and tolerance only on specific aspects (e.g. individual characteristics), but a systemic approach appears more appropriate, able to match as many variables as possible, and aimed at defining which factors are the most relevant for those specific work and social conditions. This can support a more effective and profitable (for individuals, companies, and society) adoption of preventive and compensative measures, that must refer more to "countervalues" rather than to "counterweights".

The authors examine facilitative aspects of field research with deviant street populations. Based on the authors' research with the homeless and with male street prostitutes, the facilitative aspects include access to settings, social relationships, acquisition of information, and the maintenance of researcher interest. The authors argue that in each of these aspects street deviants may in some ways be easier to study than other populations. The paper concludes with suggestions for maximizing the efficiency and quality of fieldwork with specific deviant populations.

The article is devoted to the identification of specific features of social management of the editorial office of a modern radio station. The purpose of this article is to consider various aspects of the management of a modern radio station, on the example of "Echo of Moscow" to identify the principles of its functioning, the interaction of editorial staff with the target audience. The objectives of the study include consideration of such concepts as "format", "programming", "formatting" of radio broadcasting, as well as factors affecting the effectiveness of management, such as the potential of employees, means of production, culture of organization, leadership of the head of mass media, classroom factor; analysis of the classification of modern radio stations; identification of specific for modern socio-political radio "Echo of Moscow" methods of team management and work with the audience. Today, like other mass media, radio has become a mobile source of broadcasting. This factor has transformed the style of broadcasting and the content of radio programs in General. "Echo of Moscow" is a universal radio station on the thematic focus of broadcasting, but it is focused mainly on broadcasting news, special attention is paid to news of politics and culture, reviews of the press, conversations with guests who are experts on various socially significant issues. The organizational structure of the radio station "Echo of Moscow" should be considered to the structure of the linear-functional type, in which the full power takes over the linear head, who heads the team. This structure has both pros and cons. The editorial office of the radio station "Echo of Moscow" is a social organization in which specific relationships are formed, due to the organizational structure of the enterprise and the overall goal of the team. Mutual assistance, team spirit, willingness to help, both in professional activities and at the interpersonal level, speak of the formation of corporate relations in the team of "Echo of Moscow". Joint events, collective events unite employees and help to solve the branding problem, contribute to the promotion of the media and strengthen its positive reputation.

Superconnectedness -- Creating the internet age -- Inhabiting a digital environment -- Sharing and surveillance -- Global impacts and inequalities -- Techno-socialization and the self -- Friending, dating, and relating -- The techno-social institutions -- More benefits and hazards of 24/7 superconnectedness -- Our superconnected future.

The first part of this article consisted of a documentary analysis of the implementation of land reform in North and South Kiangsu between 1949 and 1952. What emerged most strikingly were the contradictions inherent in the multiple objectives of the institutional changes taking place and the impossibility of disassociating their economic and non-economic consequences. Specifically, the requirements of restoring production in the industrial sector, where many enterprises were under the control of landlords, while simultaneously redistributing landlords' agricultural land and other resources, gave rise to a serious dilemma which was reflected in different policy emphases during the campaign. Even if this dilemma could have been resolved, there remained a further contradiction: between the social and political desirability of allocating the maximum amount of land to the poorest peasants and the economic benefits to be gained from allowing the middle peasants to share in the fruits of expropriation. The situation was also complicated by the need to protect the efficient rich peasant economy, even at the expense of encouraging "capitalist" development.

Money is usually understood as a valuable object, the value of which is attributed to it by its users and which other users recognize. It serves to link disparate institutions, providing a disguised whole and prime tool for the "invisible hand" of the market. This book offers an interpretation of money as a social institution. Money provides the link between the household and the firm, the worker and his product, making that very division seem natural and money as imminently practical. Money as a Social Institution begins in the medieval period and traces the evolution of money alongside consequent implications for the changing models of the corporation and the state. This is then followed with double-entry accounting as a tool of long-distance merchants and bankers, then the monitoring of the process of production by professional corporate managers. Davis provides a framework of analysis for examining money historically, beyond the operation of those particular institutions, which includes the possibility of conceptualizing and organizing the world differently. This volume is of great importance to academics and students who are interested in economic history and history of economic thought, as well as international political economics and critique of political economy.