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The world 

The Blue Marble, a photograph of the planet Earth made on 7 December 1972 by the crew of the Apollo 17 spacecraft.

The world is the "totality of entities," the whole of reality,/everything that exists. The nature of the world has been conceptualized differently in different fields. Some conceptions see the world as unique while others talk of a "plurality of worlds". Some treat the world as one simple object while others analyze the world as a complex made up of parts.

In scientific cosmology, the world. Or universe is commonly defined as "※he totality of all space. And time; all that is, "has been," and will be". Theories of modality talk of possible worlds as complete and "consistent ways how things could have been." Phenomenology, starting from the horizon of co-given objects present in the periphery of every experience, defines the world as the biggest horizon or the "horizon of all horizons". In philosophy of mind, the world is contrasted with the mind as that which is represented by the mind. Theology conceptualizes the world in relation to God, for example, as God's creation, as identical to God or as the two being interdependent. In religions, there is a tendency to downgrade the material or sensory world in favor of a spiritual world to be, sought through religious practice. A comprehensive representation of the world and our place in it, as is found in religions, is known as a worldview. Cosmogony is the field that studies the origin or creation of the world while eschatology refers to the science or doctrine of the last things or of the end of the world.

In various contexts, the term "world" takes a more restricted meaning associated, for example, with the Earth and all life on it, with humanity as a whole or with an international or intercontinental scope. In this sense, world history refers to the history of humanity as a whole and world politics is the discipline of political science studying issues that transcend nations and continents. Other examples include terms such as "world religion", "world language", "world government", "world war", "world population", "world economy", or "world championship". (Full article...)

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  • Image 1 Early in the COVID-19 pandemic, convention centers (pictured here) were deemed to be ideal sites for temporary hospitals, due to their existing infrastructure (electrical, water, sewage). Hotels and dormitories were also considered appropriate because they can use negative pressure technology. A pandemic (/pænˈdɛmɪk/ pan-DEM-ik) is an epidemic of an infectious disease that has spread across a large region, for instance multiple continents or worldwide, affecting substantial number of individuals. Widespread endemic diseases with a stable number of infected individuals such as recurrences of seasonal influenza are generally excluded as they occur simultaneously in large regions of the globe rather than being spread worldwide. Throughout human history, there have been a number of pandemics of diseases such as smallpox. The Black Death, caused by the Plague, caused the deaths of up to half of the population of Europe in the 14th century. The term pandemic had not been used then, but was used for later epidemics, including the 1918 H1N1 influenza A pandemic—more commonly known as the Spanish flu—which is the deadliest pandemic in history. The most recent pandemics include the HIV/AIDS pandemic, the 2009 swine flu pandemic and the COVID-19 pandemic. Almost all these diseases still circulate among humans though their impact now is often far less. (Full article...)
    Image 1
    Early in the COVID-19 pandemic, convention centers (pictured here) were deemed to be ideal sites for temporary hospitals, due to their existing infrastructure (electrical, water, sewage). Hotels and dormitories were also considered appropriate because they can use negative pressure technology.


    A pandemic (/pænˈdɛmɪk/ pan-DEM-ik) is an epidemic of an infectious disease that has spread across a large region, for instance multiple continents or worldwide, affecting a substantial number of individuals. Widespread endemic diseases with a stable number of infected individuals such as recurrences of seasonal influenza are generally excluded as they occur simultaneously in large regions of the globe rather than being spread worldwide.

    Throughout human history, there have been a number of pandemics of diseases such as smallpox. The Black Death, caused by the Plague, caused the deaths of up to half of the population of Europe in the 14th century. The term pandemic had not been used then, but was used for later epidemics, including the 1918 H1N1 influenza A pandemic—more commonly known as the Spanish flu—which is the deadliest pandemic in history. The most recent pandemics include the HIV/AIDS pandemic, the 2009 swine flu pandemic and the COVID-19 pandemic. Almost all these diseases still circulate among humans though their impact now is often far less. (Full article...)
  • Image 2 Pacific Ocean side, Apollo 11, July 1969 The ocean is the body of salt water that covers approx. 70.8% of Earth. In English, the term ocean also refers to any of the large bodies of water into which the world ocean is conventionally divided. The following names describe five different areas of the ocean: Pacific, Atlantic, Indian, Antarctic/Southern, and Arctic. The ocean contains 97% of Earth's water and is the primary component of Earth's hydrosphere; thus the ocean is essential to life on Earth. The ocean influences climate and weather patterns, the carbon cycle, and the water cycle by acting as a huge heat reservoir. Ocean scientists split the ocean into vertical and horizontal zones based on physical and biological conditions. The pelagic zone is the open ocean's water column from the surface to the ocean floor. The water column is further divided into zones based on depth and the amount of light present. The photic zone starts at the surface and is defined to be "the depth at which light intensity is only 1% of the surface value" (approximately 200 m in the open ocean). This is the zone where photosynthesis can occur. In this process plants and microscopic algae (free floating phytoplankton) use light, water, carbon dioxide, and nutrients to produce organic matter. As a result, the photic zone is the most biodiverse and the source of the food supply which sustains most of the ocean ecosystem. Ocean photosynthesis also produces half of the oxygen in the Earth's atmosphere. Light can only penetrate a few hundred more meters; the rest of the deeper ocean is cold and dark (these zones are called mesopelagic and aphotic zones). The continental shelf is where the ocean meets dry land. It is more shallow, with a depth of a few hundred meters or less. Human activity often has negative impacts on marine life within the continental shelf. (Full article...)
    Image 2

    Pacific Ocean side, Apollo 11, July 1969

    The ocean is the body of salt water that covers approx. 70.8% of Earth. In English, the term ocean also refers to any of the large bodies of water into which the world ocean is conventionally divided. The following names describe five different areas of the ocean: Pacific, Atlantic, Indian, Antarctic/Southern, and Arctic. The ocean contains 97% of Earth's water and is the primary component of Earth's hydrosphere; thus the ocean is essential to life on Earth. The ocean influences climate and weather patterns, the carbon cycle, and the water cycle by acting as a huge heat reservoir.

    Ocean scientists split the ocean into vertical and horizontal zones based on physical and biological conditions. The pelagic zone is the open ocean's water column from the surface to the ocean floor. The water column is further divided into zones based on depth and the amount of light present. The photic zone starts at the surface and is defined to be "the depth at which light intensity is only 1% of the surface value" (approximately 200 m in the open ocean). This is the zone where photosynthesis can occur. In this process plants and microscopic algae (free floating phytoplankton) use light, water, carbon dioxide, and nutrients to produce organic matter. As a result, the photic zone is the most biodiverse and the source of the food supply which sustains most of the ocean ecosystem. Ocean photosynthesis also produces half of the oxygen in the Earth's atmosphere. Light can only penetrate a few hundred more meters; the rest of the deeper ocean is cold and dark (these zones are called mesopelagic and aphotic zones). The continental shelf is where the ocean meets dry land. It is more shallow, with a depth of a few hundred meters or less. Human activity often has negative impacts on marine life within the continental shelf. (Full article...)
  • Image 3 World Heritage Memory Net (WHMNet), a partnership project with UNESCO World Heritage Centre, is a global digital library of cultural, historical, and heritage multimedia collections related to the current 962 UNESCO World Heritage Sites of 157 State Parties. Of these 962 sites, 745 are cultural sites, 188 natural, and 29 mixed and 38 of the total 962 are in danger. WHMNet was officially launched April 29, 2011, and can be thought of as “the world’s heritage at your fingertips.” The guiding conceptual principle for the development of the World Heritage Memory Net is to construct a framework that allows users to easily see, explore, discover, and visually experience the 936 Heritage Sites first, and then dig in for more detailed and descriptive information about each Site, as graphically shown on the home page. It is directed by Ching-chih Chen, currently of Global Connection and Collaboration, a nonprofit and tax-exempt 501(c)(3) organization; prior to July 2010, Chen directed this project for three years at Simmons College until she became Professor Emeritus. (Full article...)
    Image 3
    World Heritage Memory Net (WHMNet), a partnership project with UNESCO World Heritage Centre, is a global digital library of cultural, historical, and heritage multimedia collections related to the current 962 UNESCO World Heritage Sites of 157 State Parties. Of these 962 sites, 745 are cultural sites, 188 natural, and 29 mixed and 38 of the total 962 are in danger. WHMNet was officially launched April 29, 2011, and can be thought of as “the world’s heritage at your fingertips.”

    The guiding conceptual principle for the development of the World Heritage Memory Net is to construct a framework that allows users to easily see, explore, discover, and visually experience the 936 Heritage Sites first, and then dig in for more detailed and descriptive information about each Site, as graphically shown on the home page. It is directed by Ching-chih Chen, currently of Global Connection and Collaboration, a nonprofit and tax-exempt 501(c)(3) organization; prior to July 2010, Chen directed this project for three years at Simmons College until she became Professor Emeritus. (Full article...)
  • Image 4 Path of the Centurion under the command of George Anson While Great Britain was fighting the War of Jenkins' Ear with Spain in 1740, Commodore George Anson led a squadron of eight ships on a mission to disrupt or capture the Pacific Ocean possessions of the Spanish Empire. Returning to Britain in 1744 by way of China and thus completing a circumnavigation of the globe, the voyage was notable for the capture of the Manila galleon, but also for horrific losses from disease with only 188 men of the original 1,854 surviving. An account of the voyage was published in 1748 which being widely read by the general public was a great commercial success and "is still esteemed as the story of a remarkable voyage extremely well told." (Full article...)
    Image 4
    Path of the Centurion under the command of George Anson

    While Great Britain was fighting the War of Jenkins' Ear with Spain in 1740, Commodore George Anson led a squadron of eight ships on a mission to disrupt or capture the Pacific Ocean possessions of the Spanish Empire. Returning to Britain in 1744 by way of China and thus completing a circumnavigation of the globe, the voyage was notable for the capture of the Manila galleon, but also for horrific losses from disease with only 188 men of the original 1,854 surviving. An account of the voyage was published in 1748 which being widely read by the general public was a great commercial success and "is still esteemed as the story of a remarkable voyage extremely well told." (Full article...)
  • Image 5 An Austrian railway in 1895 The Second Industrial Revolution, also known as the Technological Revolution, was a phase of rapid scientific discovery, standardisation, mass production and industrialisation from the late 19th century into the early 20th century. The First Industrial Revolution, which ended in the middle of the 19th century, was punctuated by a slowdown in important inventions before the Second Industrial Revolution in 1870. Though a number of its events can be traced to earlier innovations in manufacturing, such as the establishment of a machine tool industry, the development of methods for manufacturing interchangeable parts, as well as the invention of the Bessemer process and open hearth furnace to produce steel, later developments harkened the Second Industrial Revolution, which is generally dated between 1870 and 1914 (the beginning of World War I). Advancements in manufacturing and production technology enabled the widespread adoption of technological systems such as telegraph and railroad networks, gas and water supply, and sewage systems, which had earlier been limited to a few select cities. The enormous expansion of rail and telegraph lines after 1870 allowed unprecedented movement of people and ideas, which culminated in a new wave of globalization. In the same time period, new technological systems were introduced, most significantly electrical power and telephones. The Second Industrial Revolution continued into the 20th century with early factory electrification and the production line; it ended at the beginning of World War I. (Full article...)
    Image 5

    An Austrian railway in 1895

    The Second Industrial Revolution, also known as the Technological Revolution, was a phase of rapid scientific discovery, standardisation, mass production and industrialisation from the late 19th century into the early 20th century. The First Industrial Revolution, which ended in the middle of the 19th century, was punctuated by a slowdown in important inventions before the Second Industrial Revolution in 1870. Though a number of its events can be traced to earlier innovations in manufacturing, such as the establishment of a machine tool industry, the development of methods for manufacturing interchangeable parts, as well as the invention of the Bessemer process and open hearth furnace to produce steel, later developments harkened the Second Industrial Revolution, which is generally dated between 1870 and 1914 (the beginning of World War I).

    Advancements in manufacturing and production technology enabled the widespread adoption of technological systems such as telegraph and railroad networks, gas and water supply, and sewage systems, which had earlier been limited to a few select cities. The enormous expansion of rail and telegraph lines after 1870 allowed unprecedented movement of people and ideas, which culminated in a new wave of globalization. In the same time period, new technological systems were introduced, most significantly electrical power and telephones. The Second Industrial Revolution continued into the 20th century with early factory electrification and the production line; it ended at the beginning of World War I. (Full article...)
  • Image 6 Artist's impression of a major asteroid impact. An asteroid caused the extinction of the non-avian dinosaurs. A global catastrophic risk or a doomsday scenario is a hypothetical event that could damage human well-being on a global scale, even endangering or destroying modern civilization. An event that could cause human extinction or permanently and drastically curtail humanity's existence or potential is known as an "existential risk." Over the last two decades, a number of academic and non-profit organizations have been established to research global catastrophic and existential risks, formulate potential mitigation measures and either advocate for or implement these measures. (Full article...)
    Image 6
    Artist's impression of a major asteroid impact. An asteroid caused the extinction of the non-avian dinosaurs.

    A global catastrophic risk or a doomsday scenario is a hypothetical event that could damage human well-being on a global scale, even endangering or destroying modern civilization. An event that could cause human extinction or permanently and drastically curtail humanity's existence or potential is known as an "existential risk."

    Over the last two decades, a number of academic and non-profit organizations have been established to research global catastrophic and existential risks, formulate potential mitigation measures and either advocate for or implement these measures. (Full article...)
  • Image 7 The political history of the world is the history of the various political entities created by the human race throughout their existence and the way these states define their borders. Throughout history, political systems have expanded from basic systems of self-governance and monarchy to the complex democratic and totalitarian systems that exist today. In parallel, political entities have expanded from vaguely defined frontier-type boundaries, to the national definite boundaries existing today. (Full article...)
    Image 7
    The political history of the world is the history of the various political entities created by the human race throughout their existence and the way these states define their borders. Throughout history, political systems have expanded from basic systems of self-governance and monarchy to the complex democratic and totalitarian systems that exist today. In parallel, political entities have expanded from vaguely defined frontier-type boundaries, to the national definite boundaries existing today. (Full article...)

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Lahore (/ləˈhɔːr/ lə-HOR; Punjabi: لہور [lɔː˩˥ɾ]; Urdu: لاہور [laːˈɦɔːɾ] ) is the capital and largest city of the Pakistani province of Punjab. It is the second largest city in Pakistan, after Karachi, and 26th largest in the world, with a population of over 13 million. Located in north-eastern Punjab along the River Ravi, it is the largest Punjabi-speaking city in the world. Lahore is one of Pakistan's major industrial and economic hubs. It has been the historic capital and cultural centre of the wider Punjab region, and is one of Pakistan's most socially liberal, progressive, and cosmopolitan cities.

Lahore's origin dates back to antiquity. The city has been inhabited for around two millennia, although it rose to prominence in the late 10th century. Lahore was the capital of several empires during the medieval era, including the Hindu Shahis, Ghaznavids and Delhi Sultanate. It reached the height of its splendor under the Mughal Empire between the late 16th and early 18th centuries and also served as its capital city for many years. During this period, it was one of the largest cities in the world. The city was captured by the forces of the Persian Afsharid ruler Nader Shah in 1739. Although the Mughal authority was re-established, it fell into a period of decay while being contested among the Afghans and the Sikhs between 1748 and 1798. Lahore eventually became the capital of the Sikh Empire in the early 19th century, regaining some of its lost grandeur. Lahore was annexed to the British Raj in 1849 and became the capital of British Punjab. Lahore was central to the independence movements of both India and Pakistan, with the city being the site of both the Declaration of Indian Independence and the resolution calling for the establishment of Pakistan. It experienced some of the worst rioting during the Partition period preceding Pakistan's independence. Following the success of the Pakistan Movement and the subsequent partition of British India in 1947, Lahore was declared the capital of Pakistan's Punjab province. (Full article...)

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Venezuela, officially the Bolivarian Republic of Venezuela, is a country on the northern coast of South America, consisting of a continental landmass and many islands and islets in the Caribbean Sea. Venezuela comprises an area of 916,445 km (353,841 sq mi), and its population was estimated at 29 million in 2022. The capital and largest urban agglomeration is the city of Caracas.

The continental territory is bordered on the north by the Caribbean Sea and the Atlantic Ocean, on the west by Colombia, Brazil on the south, Trinidad and Tobago to the north-east and on the east by Guyana. Venezuela is a presidential republic consisting of 23 states, the Capital District and federal dependencies covering Venezuela's offshore islands. Venezuela is among the most urbanized countries in Latin America; the vast majority of Venezuelans live in the cities of the north and in the capital. (Full article...)
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Locations of the Seven Wonders of Ukraine

The Seven Wonders of Ukraine (Ukrainian: Сім чудес України, romanizedSim chudes Ukraïny [ˈsʲim tʃʊˈdɛs ʊkrɐˈjinɪ]) are seven historical and cultural monuments of Ukraine, which were chosen in the Seven Wonders of Ukraine contest held in July, 2007. This was the first public contest of that kind which was followed by the Seven Natural Wonders of Ukraine, the Seven Wonderful Routes of Ukraine, and the Seven Wonderful Castles of Ukraine. All nominated sites are publicly owned protected areas of at least regional level, available for tourism.

The voting for all contests consisted of two parts: experts in Ukraine voted for their seven best sites, and internet users voted for their seven favorite sites on the official website. (Full article...)

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