klasyki: Russia

Evidence: 100 • authority: 72

Russia, or the Russian Federation, is a country in Eastern Europe and North Asia. It is the largest country in the world, spanning eleven time zones and sharing land borders with fourteen countries. With a population of over 140 million, Russia is the most populous country in Europe and the ninth-most populous in the world. It is a highly urbanised country, with three-fourths of its population living in urban areas. Moscow, the most populous metropolitan area in Europe, is the capital and largest city of Russia, while Saint Petersburg is its second-largest city and a major cultural centre. Human settlement on modern Russian territory dates back to the Lower Paleolithic. The emergence of the…

Evidence: 82 • authority: 72

Saint Petersburg, formerly known as Petrograd (Петроград), and later Leningrad (Ленинград), is the second-largest city in Russia, after Moscow, the nation's capital. Situated on the Neva River at the head of the Gulf of Finland on the Baltic Sea, its area of 1,439 square kilometers (556 sq mi) makes it the smallest administrative division of Russia by area. The city had a population of 5,601,911 residents as of 2021, with more than 6.4 million people living in the metropolitan area. Saint Petersburg is the fourth-most populous city in Europe, the most populous city on the Baltic Sea, and the world's northernmost city of more than 1 million residents. As the former capital of the Russian Emp…

Evidence: 82 • authority: 72

Moscow is the capital and largest city of Russia, situated on the Moskva River in Central Russia. The city has a population estimated at more than 13 million residents within city limits, more than 19.1 million residents in the urban area, and more than 21.5 million residents in the metropolitan area. The city covers an area of 2,511 square kilometers (970 sq mi); the urban area covers 5,891 square kilometers (2,275 sq mi); and the metropolitan area covers more than 26,000 square kilometers (10,000 sq mi). Moscow is among the world's largest cities: the most populous city entirely in Europe, the largest urban and metropolitan areas in Europe, and the largest city by land area on the Europea…

Evidence: 43 • authority: 88

AFTERMATH OF THE PILOT PROJECT ON NEONATAL SCREENING FOR SPINAL MUSCULAR ATROPHY IN THE CITY OF SAINT PETERSBURG, RUSSIA. ORGANIZATIONAL, DIAGNOSTIC AND CLINICAL ASPECTS. Spinal muscular atrophy (SMA) is one of the most frequent and severe hereditary diseases that leads to the destruction of motor neurons in the spinal cord and muscle weakness and is resulted from mutations in the SMN1 gene. The purpose of this research was to identify homo- and heterozygous mutations in the SMN1 gene in newborns. Materials and methods used: a multicenter prospective open continuous screening study of newborns at the age of 4 DoL (for full-term)/7 DoL (for preterm). The screening was carried out in Dec. 30,…

Evidence: 43 • authority: 72

Chengdu is the capital city of the Chinese province of Sichuan. With a population of 20,937,757 at the 2020 census, it is the country's fourth most populous city and the only city with a population of over 20 million apart from provincial-level municipalities. It is traditionally the hub of Western China. Chengdu is in central Sichuan. The surrounding Chengdu Plain is known as the "Country of Heaven" and the "Land of Abundance". Its prehistoric settlers included the Sanxingdui culture. The site of Dujiangyan, an ancient irrigation system, is designated as a World Heritage Site. The Jin River flows through the city. Chengdu's culture reflects that of its province, Sichuan; in 2011, it was re…

Evidence: 37 • authority: 72

The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic consisting of 50 states and a federal capital district, Washington, D.C. The 48 contiguous states border Canada to the north and Mexico to the south, with the semi-exclave of Alaska in the northwest and the archipelago of Hawaii in the Pacific Ocean. The United States also asserts sovereignty over five major island territories and various uninhabited islands in Oceania and the Caribbean. It is a megadiverse country, with the world's fourth-largest total area and third-largest population, exceeding 341 million. Paleo-Indians migrated…

Evidence: — • authority: 72

In the Russian Federation, a city of federal importance (Russian: город федерального значения, romanized: gorod federalnogo znacheniya), also known as a federal city, is a city that has a status of both an inhabited locality and a constituent federal subject. Russia has three federal cities: Moscow, Saint Petersburg, and Sevastopol, which was annexed in 2014 but remains internationally recognised as part of Ukraine. Moscow and Saint Petersburg are the largest cities in the country: Moscow is the national capital and Saint Petersburg is a former Russian capital and an important port city by the Baltic Sea. Currently, Sevastopol houses the Sevastopol Naval Base, the main port of the Russian B…

Evidence: — • authority: 72

This is a list of cities and towns in Russia and parts of the Russian-occupied territories of Ukraine with a population of over 50,000 as of the 2021 census. The figures are for the population within the limits of the city/town proper, not the urban area or metropolitan area. The list includes Sevastopol and settlements within the Republic of Crimea which are internationally recognized as part of Ukraine and were not subject to the 2010 census. Additionally, settlements within the Donetsk People's Republic, Kherson Oblast, Luhansk People's Republic, and Zaporozhye Oblast, are internationally recognized as part of Ukraine and were not subject to the 2010 census. Only settlements presently co…

Evidence: — • authority: 72

This list ranks European cities by population within city limits. The largest cities in Europe have official populations of over one million inhabitants within their city boundaries. These rankings are based on populations contained within city administrative boundaries, as opposed to urban areas or metropolitan areas, which necessarily have larger populations than the cities at their core. The limits of a city proper can differ greatly from the size of the city's urban area, so the figures in this list may not give an accurate view of the comparative population of different urban areas and should be treated with caution. For example, the Paris metropolitan area is the fourth most populous…

Evidence: — • authority: 72

The Moscow metropolitan area (Russian: Московская агломерация, romanized: Moskovskaya aglomeratsiya) or Moscow capital region (Russian: Московский столичный регион, romanized: Moskovskiy stolichnyy region) is the most populous metropolitan area in Russia and Europe, with a population of around 21.5 million. It consists of the city of Moscow and surrounding areas in Moscow Oblast. The related term Moscow region (Московский регион) is used unofficially to describe Moscow and Moscow Oblast together. However, formally, they are two separate federal subjects.

Evidence: — • authority: 92

Surveillance of Phenibut in Wastewater During a Brazilian Carnival.. Phenibut is a new psychoactive substance (NPS) first synthesized in Russia in 1963 as a derivative of gamma-aminobutyric acid. Originally developed for therapeutic use, it has gained popularity for nonmedical purposes, including recreational and cognitive enhancement. In Brazil, phenibut is uncontrolled and easily purchased online. This study used wastewater-based epidemiology (WBE) to investigate phenibut use patterns in two northeastern Brazilian cities. Composite daily wastewater samples were collected from two treatment plants (WWTPs), Recife (WWTP A ) and Olinda (WWTP B ), during two periods in 2023: Carnival and a re…

Evidence: — • authority: 92

Health infrastructure under pressure: spatial-temporal analysis of King Saud Medical City expansion.. King Saud Medical City (KSMC), Riyadh's largest public medical city, has undergone a profound spatial and institutional transformation between 2000 and 2025. Using multi-temporal remote sensing and geographic information system analysis, this study provides quantitative evidence of medical city densification in Saudi Arabia. The built-up footprint expanded by more than 19 hectares, and the Normalized Difference Built-up Index increased by +0.36, reflecting a shift from a low-rise, dispersed campus to a vertically integrated medical complex. This physical transformation coincided with major…