Cultural eutrophication | ecology (2024)

","url":"Introduction","wordCount":0,"sequence":1,"headerCarousel":null,"path":[]},"imarsData":{"HAS_REVERTED_TIMELINE":"false","INFINITE_SCROLL":"146210|1,66133|1,196751|1,178597|2,66191|10"},"npsAdditionalContents":{},"templateHandler":{"name":"INDEX"},"paginationInfo":{"previousPage":null,"nextPage":null,"totalPages":1},"uaTemplate":"INDEX","infiniteScrollList":[{"p":1,"t":146210},{"p":1,"t":66133},{"p":1,"t":196751},{"p":2,"t":178597},{"p":10,"t":66191}],"topicLeftRail":{"topicInfo":{"id":146210,"title":"cultural eutrophication","url":"https://www.britannica.com/science/cultural-eutrophication","description":"Water pollution: Domestic sewage: …water pollution (a phenomenon called cultural eutrophication), it can lead to the premature aging and death of a body of water.","type":"TOPIC","titleText":"cultural eutrophication","urlTitle":"cultural-eutrophication","metaDescription":"Other articles where cultural eutrophication is discussed: water pollution: Domestic sewage: …water pollution (a phenomenon called cultural eutrophication), it can lead to the premature aging and death of a body of water.","identifierHtml":"ecology","identifierText":"ecology","topicClass":"science","topicKey":"cultural-eutrophication","articleContentType":"INDEX","ppTecType":"CONCEPT","gaTemplate":"INDEX","topicType":"INDEX","relativeUrl":"/science/cultural-eutrophication","assemblyLinkPrefix":"/media/1/146210/"},"topicLink":{"title":"cultural eutrophication","url":"https://www.britannica.com/science/cultural-eutrophication"},"tocTitle":"Directory","tocEntry":"References","toc":null,"quoteLink":null,"indexLink":null,"factsLink":null,"mediaLink":null,"media":null,"studentLinks":null,"relatedQuizzes":null,"topQuestions":null,"readNext":null,"discover":[{"id":6735,"title":"What Causes Lunar and Solar Eclipses?","url":"/story/what-causes-lunar-and-solar-eclipses","description":"Learn more about the dance of astronomical bodies.","image":{"id":0,"url":"/85/203585-131-D4FEE60A/Solar-Eclipse-Flare-Astronomy-Outer-Space.jpg","altText":"Solar Eclipse, Eclipse, Solar Flare, Outer Space, Astronomy","credit":"© solarseven/iStock.com","width":null,"height":null,"fullUrl":"https://cdn.britannica.com/85/203585-131-D4FEE60A/Solar-Eclipse-Flare-Astronomy-Outer-Space.jpg"},"type":"STORY","breadcrumb":{"homeLink":null,"items":[{"title":"#WTFact","url":"/stories/wtfact"},{"title":"Science","url":"/stories/wtfact/Science"}],"lastItemTitle":"Science"},"superCategory":{"id":6,"title":"Science & Tech","url":"Science-Tech","description":"Explore science and technology; astronomy; biology; chemistry; earth science; mathematics; physics; technology, agriculture, cars, computers, engineering, industry, inventions, communication","keywords":"astronomy; biology; chemistry; earth science; mathematics; physics; technology, agriculture, cars, computers, engineering, industry, inventions, communication","classId":"SCIENCE","sortOrder":2},"hashtags":["demystified","science","astronomy","space","eclipses","Sun","Moon","Earth"],"hashtagsString":"demystified, science, astronomy, space, eclipses, Sun, Moon, Earth","displayDate":[2023,6,23],"urlTitle":"what-causes-lunar-and-solar-eclipses","featureSubType":"WTFACT","categories":[{"id":1000,"title":"Science","url":"Science","description":"How can the sky be blue one day and stormy the next? Why do heavy objects tend to fall downwards when dropped? How are birds able to fly (and why can’t I do the same?)? Human beings have long been curious about the world in which we live, striving to identify connections among the phenomenons we witness and to understand how it all works. The field of science has developed over many centuries as a way of studying and understanding the world, beginning with the primitive stage of simply noting important regularities in nature and continuing through the rise of modern science. The modern-day sciences cover a vast range of fields, including biology, chemistry, meteorology, astronomy, physics, and much more.","image":{"id":0,"url":"/86/193986-050-7B2DBB6A/ball-and-stick-model-structure-atoms.jpg","altText":"Science","credit":null,"width":null,"height":null,"fullUrl":"https://cdn.britannica.com/86/193986-050-7B2DBB6A/ball-and-stick-model-structure-atoms.jpg"}},null,null],"mainCategory":{"id":1000,"title":"Science","url":"Science","description":"How can the sky be blue one day and stormy the next? Why do heavy objects tend to fall downwards when dropped? How are birds able to fly (and why can’t I do the same?)? Human beings have long been curious about the world in which we live, striving to identify connections among the phenomenons we witness and to understand how it all works. The field of science has developed over many centuries as a way of studying and understanding the world, beginning with the primitive stage of simply noting important regularities in nature and continuing through the rise of modern science. The modern-day sciences cover a vast range of fields, including biology, chemistry, meteorology, astronomy, physics, and much more.","image":{"id":0,"url":"/86/193986-050-7B2DBB6A/ball-and-stick-model-structure-atoms.jpg","altText":"Science","credit":null,"width":null,"height":null,"fullUrl":"https://cdn.britannica.com/86/193986-050-7B2DBB6A/ball-and-stick-model-structure-atoms.jpg"}},"typeDisplayName":"#WTFact"},{"id":6317,"title":"7 Dangerous Plants You Should Never Touch","url":"/story/7-plants-you-cant-even-touch","description":"Don’t even think about it…","image":{"id":0,"url":"/21/196021-131-B8D7D91A/Stinging-nettle.jpg","altText":"Urtica dioica, often called common nettle or stinging nettle","credit":"© nada54/Shutterstock.com","width":null,"height":null,"fullUrl":"https://cdn.britannica.com/21/196021-131-B8D7D91A/Stinging-nettle.jpg"},"type":"STORY","breadcrumb":{"homeLink":null,"items":[{"title":"#WTFact","url":"/stories/wtfact"},{"title":"Science","url":"/stories/wtfact/Science"}],"lastItemTitle":"Science"},"superCategory":{"id":6,"title":"Science & Tech","url":"Science-Tech","description":"Explore science and technology; astronomy; biology; chemistry; earth science; mathematics; physics; technology, agriculture, cars, computers, engineering, industry, inventions, communication","keywords":"astronomy; biology; chemistry; earth science; mathematics; physics; technology, agriculture, cars, computers, engineering, industry, inventions, communication","classId":"SCIENCE","sortOrder":2},"hashtags":["plants","botany","dermatitis","allergies","danger","dangerous","poison ivy","stinging nettle","pain bush"],"hashtagsString":"plants, botany, dermatitis, allergies, danger, dangerous, poison ivy, stinging nettle, pain bush","displayDate":[2017,8,3],"urlTitle":"7-plants-you-cant-even-touch","featureSubType":"WTFACT","categories":[{"id":1000,"title":"Science","url":"Science","description":"How can the sky be blue one day and stormy the next? Why do heavy objects tend to fall downwards when dropped? How are birds able to fly (and why can’t I do the same?)? Human beings have long been curious about the world in which we live, striving to identify connections among the phenomenons we witness and to understand how it all works. The field of science has developed over many centuries as a way of studying and understanding the world, beginning with the primitive stage of simply noting important regularities in nature and continuing through the rise of modern science. The modern-day sciences cover a vast range of fields, including biology, chemistry, meteorology, astronomy, physics, and much more.","image":{"id":0,"url":"/86/193986-050-7B2DBB6A/ball-and-stick-model-structure-atoms.jpg","altText":"Science","credit":null,"width":null,"height":null,"fullUrl":"https://cdn.britannica.com/86/193986-050-7B2DBB6A/ball-and-stick-model-structure-atoms.jpg"}},{"id":3000,"title":"Health & Medicine","url":"Health-Medicine","description":"The study of the human mind and body, how these function, and how they interact—not only with each other but also with their environment—has been of utmost importance in ensuring human well-being. Research on potential treatments and preventive medicine has expanded greatly with the development of modern medicine, and a network of disciplines, including such fields as genetics, psychology, and nutrition, aims to facilitate the betterment of our health.","image":{"id":0,"url":"/07/192107-050-CE043374/anatomy-charts-human-body-muscle-systems-skeletal.jpg","altText":"Health & Medicine","credit":null,"width":null,"height":null,"fullUrl":"https://cdn.britannica.com/07/192107-050-CE043374/anatomy-charts-human-body-muscle-systems-skeletal.jpg"}},null],"mainCategory":{"id":1000,"title":"Science","url":"Science","description":"How can the sky be blue one day and stormy the next? Why do heavy objects tend to fall downwards when dropped? How are birds able to fly (and why can’t I do the same?)? Human beings have long been curious about the world in which we live, striving to identify connections among the phenomenons we witness and to understand how it all works. The field of science has developed over many centuries as a way of studying and understanding the world, beginning with the primitive stage of simply noting important regularities in nature and continuing through the rise of modern science. The modern-day sciences cover a vast range of fields, including biology, chemistry, meteorology, astronomy, physics, and much more.","image":{"id":0,"url":"/86/193986-050-7B2DBB6A/ball-and-stick-model-structure-atoms.jpg","altText":"Science","credit":null,"width":null,"height":null,"fullUrl":"https://cdn.britannica.com/86/193986-050-7B2DBB6A/ball-and-stick-model-structure-atoms.jpg"}},"typeDisplayName":"#WTFact"},{"id":3864,"title":"12 Greek Gods and Goddesses","url":"/list/12-greek-gods-and-goddesses","description":"Crazy? These gods aren’t crazy. Nooo….","image":{"id":0,"url":"/23/176123-131-94DCF6F8/Aphrodite.jpg","altText":"Aphrodite. Greek mythology. Sculpture. Aphrodite is the Greek goddess of love and beauty.","credit":"AdstockRF","width":null,"height":null,"fullUrl":"https://cdn.britannica.com/23/176123-131-94DCF6F8/Aphrodite.jpg"},"type":"LIST","breadcrumb":{"homeLink":null,"items":[{"title":"List","url":"/list/browse"},{"title":"Philosophy & Religion","url":"/list/browse/Philosophy-Religion"}],"lastItemTitle":"Philosophy & Religion"},"superCategory":{"id":5,"title":"History & Society","url":"History-Society","description":"Explore history and society; accidents and disasters; the age of revolutions; the ancient world; historic dynasties; global exploration; the middle ages; the modern world; prehistory; US history; world history; wars and battles; sociology; religion and philosophy; humanities; ethics; anthropology; festivals and holidays; human rights; human migration; international relations; politics, law, and government","keywords":"accidents and disasters; the age of revolutions; the ancient world; historic dynasties; global exploration; the middle ages; the modern world; prehistory; US history; world history; wars and battles; sociology; religion and philosophy; humanities; ethics; anthropology; festivals and holidays; human rights; human migration; international relations; politics, law, and government","classId":"HISTORY","sortOrder":1},"hashtags":["encyclopedia","britannica","encyclopedia britannica","list","lists","greek","ancient","religion","gods","goddesses","mythology","culture","aprodite","athena","zeus","ares","hermes"],"hashtagsString":"encyclopedia, britannica, encyclopedia britannica, list, lists, greek, ancient, religion, gods, goddesses, mythology, culture, aprodite, athena, zeus, ares, hermes","displayDate":[2014,10,2],"urlTitle":"12-greek-gods-and-goddesses","featureSubType":"REGULAR","categories":[{"id":7000,"title":"Philosophy & Religion","url":"Philosophy-Religion","description":"Humans have long pondered not only how we came to be but also why we came to be. The earliest Greek philosophers focused their attention upon the origin and nature of the physical world; later philosophers have theorized about the nature of knowledge, truth, good and evil, love, friendship, and much more. Philosophy involves a methodical assessment of any and all aspects of human existence and experience. The realms of philosophy and religion have sometimes intersected in conducting such inquiries as these. As with philosophy, the study of religion underscores how humankind has long speculated about its origins. The possibility of a higher being (or beings) to which livings things owe their existence has long captived human thought. Many religions also offer their own views on the nature of good and evil, and they may prescribe guidelines and judgment on different kinds of human behavior.","image":{"id":0,"url":"/95/180595-050-EDF2CA3A.jpg","altText":"Philosophy & Religion","credit":null,"width":null,"height":null,"fullUrl":"https://cdn.britannica.com/95/180595-050-EDF2CA3A.jpg"}},{"id":11000,"title":"Visual Arts","url":"Visual-Arts","description":"These are the arts that meet the eye and evoke an emotion through an expression of skill and imagination. They include the most ancient forms, such as painting and drawing, and the arts that were born thanks to the development of technology, like sculpture, printmaking, photography, and installation art. Though beauty is in the eye of the beholder, different eras in art history have had their own principles to define beauty, from the richly ornamented taste of the Baroque to the simple utilitarian style of the Prairie School.","image":{"id":0,"url":"/45/24345-050-78FAA104.jpg","altText":"Visual Arts","credit":null,"width":null,"height":null,"fullUrl":"https://cdn.britannica.com/45/24345-050-78FAA104.jpg"}},null],"mainCategory":{"id":7000,"title":"Philosophy & Religion","url":"Philosophy-Religion","description":"Humans have long pondered not only how we came to be but also why we came to be. The earliest Greek philosophers focused their attention upon the origin and nature of the physical world; later philosophers have theorized about the nature of knowledge, truth, good and evil, love, friendship, and much more. Philosophy involves a methodical assessment of any and all aspects of human existence and experience. The realms of philosophy and religion have sometimes intersected in conducting such inquiries as these. As with philosophy, the study of religion underscores how humankind has long speculated about its origins. The possibility of a higher being (or beings) to which livings things owe their existence has long captived human thought. Many religions also offer their own views on the nature of good and evil, and they may prescribe guidelines and judgment on different kinds of human behavior.","image":{"id":0,"url":"/95/180595-050-EDF2CA3A.jpg","altText":"Philosophy & Religion","credit":null,"width":null,"height":null,"fullUrl":"https://cdn.britannica.com/95/180595-050-EDF2CA3A.jpg"}},"typeDisplayName":"List"},{"id":5613,"title":"How Fast Is the World’s Fastest Human?","url":"/story/how-fast-is-the-worlds-fastest-human","description":"Significantly slower than a speeding bullet, it turns out.","image":{"id":0,"url":"/53/189853-131-02462668/Footraces-distances-Summer-Olympics.jpg","altText":"Start of Men's 100 meter sprint where Usain Bolt wins and sets a new world record at the 2008 Summer Olympic Games August 18, 2008 in Beijing, China.","credit":"© Pete Niesen/Shutterstock.com","width":null,"height":null,"fullUrl":"https://cdn.britannica.com/53/189853-131-02462668/Footraces-distances-Summer-Olympics.jpg"},"type":"STORY","breadcrumb":{"homeLink":null,"items":[{"title":"Demystified","url":"/stories/demystified"},{"title":"Health & Medicine","url":"/stories/demystified/Health-Medicine"}],"lastItemTitle":"Health & Medicine"},"superCategory":{"id":6,"title":"Science & Tech","url":"Science-Tech","description":"Explore science and technology; astronomy; biology; chemistry; earth science; mathematics; physics; technology, agriculture, cars, computers, engineering, industry, inventions, communication","keywords":"astronomy; biology; chemistry; earth science; mathematics; physics; technology, agriculture, cars, computers, engineering, industry, inventions, communication","classId":"SCIENCE","sortOrder":2},"hashtags":["demystified","world’s fastest","usain bolt","world record","speed","sprint"],"hashtagsString":"demystified, world’s fastest, usain bolt, world record, speed, sprint","displayDate":[2016,4,29],"urlTitle":"how-fast-is-the-worlds-fastest-human","featureSubType":"DEMYSTIFIED","categories":[{"id":3000,"title":"Health & Medicine","url":"Health-Medicine","description":"The study of the human mind and body, how these function, and how they interact—not only with each other but also with their environment—has been of utmost importance in ensuring human well-being. Research on potential treatments and preventive medicine has expanded greatly with the development of modern medicine, and a network of disciplines, including such fields as genetics, psychology, and nutrition, aims to facilitate the betterment of our health.","image":{"id":0,"url":"/07/192107-050-CE043374/anatomy-charts-human-body-muscle-systems-skeletal.jpg","altText":"Health & Medicine","credit":null,"width":null,"height":null,"fullUrl":"https://cdn.britannica.com/07/192107-050-CE043374/anatomy-charts-human-body-muscle-systems-skeletal.jpg"}},{"id":4000,"title":"Sports & Recreation","url":"Sports-Recreation","description":"Physical contests and recreational games have long played a part in human society. In both team and solo sports, the human body has been pushed to its limits in the name of improving athletic performance and in order to break record upon record. The ancient Olympic Games are an early example of the contests in which humans have engaged to showcase physical prowess. In modern times, sports and games have evolved into a lucrative and competitive industry, while other leisure activities, such as card and video games, can be competitive or just serve as a way to unwind or socialize.","image":{"id":0,"url":"/13/170713-131-8D6B0AF7.jpg","altText":"Sports & Recreation","credit":null,"width":null,"height":null,"fullUrl":"https://cdn.britannica.com/13/170713-131-8D6B0AF7.jpg"}},null],"mainCategory":{"id":3000,"title":"Health & Medicine","url":"Health-Medicine","description":"The study of the human mind and body, how these function, and how they interact—not only with each other but also with their environment—has been of utmost importance in ensuring human well-being. Research on potential treatments and preventive medicine has expanded greatly with the development of modern medicine, and a network of disciplines, including such fields as genetics, psychology, and nutrition, aims to facilitate the betterment of our health.","image":{"id":0,"url":"/07/192107-050-CE043374/anatomy-charts-human-body-muscle-systems-skeletal.jpg","altText":"Health & Medicine","credit":null,"width":null,"height":null,"fullUrl":"https://cdn.britannica.com/07/192107-050-CE043374/anatomy-charts-human-body-muscle-systems-skeletal.jpg"}},"typeDisplayName":"Demystified"},{"id":5927,"title":"Why Is Pluto No Longer a Planet?","url":"/story/why-is-pluto-no-longer-a-planet","description":"Did the former planet really deserve its demotion?","image":{"id":0,"url":"/33/183533-131-AEA24595/moon-Pluto-photo-Charon-New-Horizons-spacecraft-July-13-2015.jpg","altText":"Remarkable new details of Pluto's largest moon Charon are revealed in this image from New Horizons' Long Range Reconnaissance Imager (LORRI), taken late on July 13, 2015 from a distance of 289,000 miles","credit":"NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute","width":null,"height":null,"fullUrl":"https://cdn.britannica.com/33/183533-131-AEA24595/moon-Pluto-photo-Charon-New-Horizons-spacecraft-July-13-2015.jpg"},"type":"STORY","breadcrumb":{"homeLink":null,"items":[{"title":"Demystified","url":"/stories/demystified"},{"title":"Science","url":"/stories/demystified/Science"}],"lastItemTitle":"Science"},"superCategory":{"id":6,"title":"Science & Tech","url":"Science-Tech","description":"Explore science and technology; astronomy; biology; chemistry; earth science; mathematics; physics; technology, agriculture, cars, computers, engineering, industry, inventions, communication","keywords":"astronomy; biology; chemistry; earth science; mathematics; physics; technology, agriculture, cars, computers, engineering, industry, inventions, communication","classId":"SCIENCE","sortOrder":2},"hashtags":["demystified","pluto","planet","sun","solar system","dwarf planet","international astronomical union","iau","orbit","universe","earth","definition","celestial object","spherical","space","outer space"],"hashtagsString":"demystified, pluto, planet, sun, solar system, dwarf planet, international astronomical union, iau, orbit, universe, earth, definition, celestial object, spherical, space, outer space","displayDate":[2016,9,16],"urlTitle":"why-is-pluto-no-longer-a-planet","featureSubType":"DEMYSTIFIED","categories":[{"id":1000,"title":"Science","url":"Science","description":"How can the sky be blue one day and stormy the next? Why do heavy objects tend to fall downwards when dropped? How are birds able to fly (and why can’t I do the same?)? Human beings have long been curious about the world in which we live, striving to identify connections among the phenomenons we witness and to understand how it all works. The field of science has developed over many centuries as a way of studying and understanding the world, beginning with the primitive stage of simply noting important regularities in nature and continuing through the rise of modern science. The modern-day sciences cover a vast range of fields, including biology, chemistry, meteorology, astronomy, physics, and much more.","image":{"id":0,"url":"/86/193986-050-7B2DBB6A/ball-and-stick-model-structure-atoms.jpg","altText":"Science","credit":null,"width":null,"height":null,"fullUrl":"https://cdn.britannica.com/86/193986-050-7B2DBB6A/ball-and-stick-model-structure-atoms.jpg"}},null,null],"mainCategory":{"id":1000,"title":"Science","url":"Science","description":"How can the sky be blue one day and stormy the next? Why do heavy objects tend to fall downwards when dropped? How are birds able to fly (and why can’t I do the same?)? Human beings have long been curious about the world in which we live, striving to identify connections among the phenomenons we witness and to understand how it all works. The field of science has developed over many centuries as a way of studying and understanding the world, beginning with the primitive stage of simply noting important regularities in nature and continuing through the rise of modern science. The modern-day sciences cover a vast range of fields, including biology, chemistry, meteorology, astronomy, physics, and much more.","image":{"id":0,"url":"/86/193986-050-7B2DBB6A/ball-and-stick-model-structure-atoms.jpg","altText":"Science","credit":null,"width":null,"height":null,"fullUrl":"https://cdn.britannica.com/86/193986-050-7B2DBB6A/ball-and-stick-model-structure-atoms.jpg"}},"typeDisplayName":"Demystified"},{"id":6412,"title":"Plato and Aristotle: How Do They Differ?","url":"/story/plato-and-aristotle-how-do-they-differ","description":"Learn more about how these two key philosophers were related and how their teachings differed.","image":{"id":0,"url":"/75/177675-131-B7B445EB/detail-Aristotle-School-of-Athens-Plato-Raphael.jpg","altText":"Plato (left) and Aristotle, detail from School of Athens, fresco by Raphael, 1508-11; in the Stanza della Segnatura, the Vatican. Plato points to the heavens and the realm of Forms, Aristotle to the earth and the realm of things.","credit":"Art Media—Print Collector/Hulton Fine Art Collection/Getty Images","width":null,"height":null,"fullUrl":"https://cdn.britannica.com/75/177675-131-B7B445EB/detail-Aristotle-School-of-Athens-Plato-Raphael.jpg"},"type":"STORY","breadcrumb":{"homeLink":null,"items":[{"title":"Companion","url":"/stories/companion"},{"title":"Philosophy & Religion","url":"/stories/companion/Philosophy-Religion"}],"lastItemTitle":"Philosophy & Religion"},"superCategory":{"id":5,"title":"History & Society","url":"History-Society","description":"Explore history and society; accidents and disasters; the age of revolutions; the ancient world; historic dynasties; global exploration; the middle ages; the modern world; prehistory; US history; world history; wars and battles; sociology; religion and philosophy; humanities; ethics; anthropology; festivals and holidays; human rights; human migration; international relations; politics, law, and government","keywords":"accidents and disasters; the age of revolutions; the ancient world; historic dynasties; global exploration; the middle ages; the modern world; prehistory; US history; world history; wars and battles; sociology; religion and philosophy; humanities; ethics; anthropology; festivals and holidays; human rights; human migration; international relations; politics, law, and government","classId":"HISTORY","sortOrder":1},"hashtags":["companion","Plato","Aristotle","Socrates","philosophy","Greek philosophy","ancient philosophy","forms","metaphysics","ethics","political philosophy","the Republic"],"hashtagsString":"companion, Plato, Aristotle, Socrates, philosophy, Greek philosophy, ancient philosophy, forms, metaphysics, ethics, political philosophy, the Republic","displayDate":[2018,2,14],"urlTitle":"plato-and-aristotle-how-do-they-differ","featureSubType":"COMPANION","categories":[{"id":7000,"title":"Philosophy & Religion","url":"Philosophy-Religion","description":"Humans have long pondered not only how we came to be but also why we came to be. The earliest Greek philosophers focused their attention upon the origin and nature of the physical world; later philosophers have theorized about the nature of knowledge, truth, good and evil, love, friendship, and much more. Philosophy involves a methodical assessment of any and all aspects of human existence and experience. The realms of philosophy and religion have sometimes intersected in conducting such inquiries as these. As with philosophy, the study of religion underscores how humankind has long speculated about its origins. The possibility of a higher being (or beings) to which livings things owe their existence has long captived human thought. Many religions also offer their own views on the nature of good and evil, and they may prescribe guidelines and judgment on different kinds of human behavior.","image":{"id":0,"url":"/95/180595-050-EDF2CA3A.jpg","altText":"Philosophy & Religion","credit":null,"width":null,"height":null,"fullUrl":"https://cdn.britannica.com/95/180595-050-EDF2CA3A.jpg"}},{"id":6000,"title":"World History","url":"World-History","description":"Does history really repeat itself, or can we learn from the mistakes of those who came before us? History provides a chronological, statistical, and cultural record of the events, people, and movements that have made an impact on humankind and the world at large throughout the ages.","image":{"id":0,"url":"/05/84505-050-8BB58BE6/cave-art-Ennedi-Plateau-Chad.jpg","altText":"World History","credit":null,"width":null,"height":null,"fullUrl":"https://cdn.britannica.com/05/84505-050-8BB58BE6/cave-art-Ennedi-Plateau-Chad.jpg"}},null],"mainCategory":{"id":7000,"title":"Philosophy & Religion","url":"Philosophy-Religion","description":"Humans have long pondered not only how we came to be but also why we came to be. The earliest Greek philosophers focused their attention upon the origin and nature of the physical world; later philosophers have theorized about the nature of knowledge, truth, good and evil, love, friendship, and much more. Philosophy involves a methodical assessment of any and all aspects of human existence and experience. The realms of philosophy and religion have sometimes intersected in conducting such inquiries as these. As with philosophy, the study of religion underscores how humankind has long speculated about its origins. The possibility of a higher being (or beings) to which livings things owe their existence has long captived human thought. Many religions also offer their own views on the nature of good and evil, and they may prescribe guidelines and judgment on different kinds of human behavior.","image":{"id":0,"url":"/95/180595-050-EDF2CA3A.jpg","altText":"Philosophy & Religion","credit":null,"width":null,"height":null,"fullUrl":"https://cdn.britannica.com/95/180595-050-EDF2CA3A.jpg"}},"typeDisplayName":"Companion"},{"id":6369,"title":"Titanosaurs: 8 of the World's Biggest Dinosaurs","url":"/list/titanosaurs-8-of-the-worlds-biggest-dinosaurs","description":"The largest land animals of all time.","image":{"id":0,"url":"/14/196914-131-061D0CB0/Patagotitan-mayorum-titanosaurs.jpg","altText":"illustration of the walking titanosaurus, Patagotitan mayorum","credit":"© Kostyantyn Ivanyshen/Shutterstock.com","width":null,"height":null,"fullUrl":"https://cdn.britannica.com/14/196914-131-061D0CB0/Patagotitan-mayorum-titanosaurs.jpg"},"type":"LIST","breadcrumb":{"homeLink":null,"items":[{"title":"List","url":"/list/browse"},{"title":"Science","url":"/list/browse/Science"}],"lastItemTitle":"Science"},"superCategory":{"id":6,"title":"Science & Tech","url":"Science-Tech","description":"Explore science and technology; astronomy; biology; chemistry; earth science; mathematics; physics; technology, agriculture, cars, computers, engineering, industry, inventions, communication","keywords":"astronomy; biology; chemistry; earth science; mathematics; physics; technology, agriculture, cars, computers, engineering, industry, inventions, communication","classId":"SCIENCE","sortOrder":2},"hashtags":["dinosaurs","titanosaurs","sauropods","paleontology"],"hashtagsString":"dinosaurs, titanosaurs, sauropods, paleontology","displayDate":[2023,5,22],"urlTitle":"titanosaurs-8-of-the-worlds-biggest-dinosaurs","featureSubType":"REGULAR","categories":[{"id":1000,"title":"Science","url":"Science","description":"How can the sky be blue one day and stormy the next? Why do heavy objects tend to fall downwards when dropped? How are birds able to fly (and why can’t I do the same?)? Human beings have long been curious about the world in which we live, striving to identify connections among the phenomenons we witness and to understand how it all works. The field of science has developed over many centuries as a way of studying and understanding the world, beginning with the primitive stage of simply noting important regularities in nature and continuing through the rise of modern science. The modern-day sciences cover a vast range of fields, including biology, chemistry, meteorology, astronomy, physics, and much more.","image":{"id":0,"url":"/86/193986-050-7B2DBB6A/ball-and-stick-model-structure-atoms.jpg","altText":"Science","credit":null,"width":null,"height":null,"fullUrl":"https://cdn.britannica.com/86/193986-050-7B2DBB6A/ball-and-stick-model-structure-atoms.jpg"}},null,null],"mainCategory":{"id":1000,"title":"Science","url":"Science","description":"How can the sky be blue one day and stormy the next? Why do heavy objects tend to fall downwards when dropped? How are birds able to fly (and why can’t I do the same?)? Human beings have long been curious about the world in which we live, striving to identify connections among the phenomenons we witness and to understand how it all works. The field of science has developed over many centuries as a way of studying and understanding the world, beginning with the primitive stage of simply noting important regularities in nature and continuing through the rise of modern science. The modern-day sciences cover a vast range of fields, including biology, chemistry, meteorology, astronomy, physics, and much more.","image":{"id":0,"url":"/86/193986-050-7B2DBB6A/ball-and-stick-model-structure-atoms.jpg","altText":"Science","credit":null,"width":null,"height":null,"fullUrl":"https://cdn.britannica.com/86/193986-050-7B2DBB6A/ball-and-stick-model-structure-atoms.jpg"}},"typeDisplayName":"List"}]},"byline":null,"citationInfo":null,"websites":null,"freeTopicReason":"TOPIC_IS_INDEX_PAGE","articleSchemaMarkup":{"keywords":"cultural eutrophication","wordcount":0,"url":"https://www.britannica.com/science/cultural-eutrophication","description":"Other articles where cultural eutrophication is discussed: water pollution: Domestic sewage: …water pollution (a phenomenon called cultural eutrophication), it can lead to the premature aging and death of a body of water.","publisher":{"name":"Encyclopedia Britannica","@type":"Organization","logo":{"url":"https://corporate.britannica.com/wp-content/themes/eb-corporate/_img/logo.png","@type":"ImageObject"}},"@context":"https://schema.org","@type":"article"},"studentArticle":false,"showHeader":true,"initialLoad":true,"comingFromSameArticle":false}