Urban dwellers are rapidly becoming a majority of the population. Most of them live in developing countries, and an ever-higher proportion in the biggest cities. Most of the world’s largest cities are now in developing countries, and they are growing to sizes never before experienced. The urban population is growing several times as fast as in the rural areas, either through natural growth (the...

BACKGROUND Creating healthy cities promotes socio-economic development, thus, the creation of such cities has been receiving more attention from the Chinese government and the Chinese people. In the current study, the intention was to conduct a comprehensive evaluation of the creation of healthy cities in Henan province in central China. METHODS We randomly selected 18 cities (7 healthy citie...

Terrorist attacks have made security preparedness unquestionably necessary in all cities. While major metropolitan areas have long recognized that their global visibility has required strong security operations, many medium-sized cities, specifically those of the U.S. and European Union, now face the need to establish transportation security frameworks for the first time. This paper assesses th...

tion via high-tech telecommunications technologies. While saving time, energy and money to visit a medical specialist, patients will be given more opportunities to get high-quality healthcare services. From a healthcare provider’s perspective, telehealth has the benefits of improving the continuity of care, offering an opportunity of continuing education and increasing cooperation in diagnosis ...

impact on industrialized nations. We have learned much about operating systems, networking, software tools, and languages from Linux. We have also had the opportunity to disseminate this information to industry in Pakistan. In particular, our work on networking, security, and firewalls1 has assisted many Internet service providers here. Linux provides the developing world access to the Unix/X W...