Overweight & Obesity

'New and improved' supermarkets trim childhood obesity in NYC

Access to newer supermarkets that offer fresh foods in some of New York City's poorest neighborhoods was linked to a 1% decline in obesity rates among public school students living nearby, a new study shows. The modernized ...

Psychology & Psychiatry

Growing up in rural or suburban areas improves spatial navigation

People who grew up in rural or suburban areas have better spatial navigation skills than those raised in cities, particularly cities with grid-pattern streets, finds a new study led by researchers at UCL, University of Lyon ...

Diseases, Conditions, Syndromes

COVID forecasting method using hospital and cellphone mobility data

Using cellphone mobility data and COVID-19 hospital admissions data, researchers at The University of Texas at Austin have reliably forecast regional hospital demands for almost two years, according to a new study published ...

Diseases, Conditions, Syndromes

One in three Americans had COVID-19 by the end of 2020

A new study published in the journal Nature estimates that 103 million Americans, or 31 percent of the U.S. population, had been infected with SARS-CoV-2 by the end of 2020. Columbia University Mailman School of Public Health ...

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City

A city is a relatively large and permanent settlement, particularly a large urban settlement. Although there are no agreed on technical definitions distinguishing a city from a town within general English language meanings, many cities have a particular administrative, legal, or historical status based on local law — for example an article of incorporation approved by the local cognizant (state) legislature separates towns from city government forms, rights, duties and privileges in Massachusetts — similar distinctions are made across the world, particularly in former colonies of the United Kingdom. Historically, in Europe, a city was understood to be an urban settlement with a cathedral; in later usages, especially in the United Kingdom and parts of Commonwealth of Nations, a city was a settlement with a royal charter.

Cities generally have advanced systems for sanitation, utilities, land usage, housing, and transportation and more. This proximity greatly facilitates interaction between people and businesses, benefiting both parties in the process.

A big city, or metropolis, may have suburbs and regions. Such cities are usually associated with metropolitan areas and urban sprawl, creating large numbers of business commuters. Once a city sprawls far enough to reach another city, this region can be deemed a conurbation or megalopolis.

This text uses material from Wikipedia, licensed under CC BY-SA