Why does the pool water turn green?
Why does the pool water turn green? The pool water turns green due to the proliferation of algae. Algae are plant organisms that grow in water and feed on nutrients such as phosphorus and nitrogen.
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Curiosity
Why is the Delta variant called that?
Why is the Delta variant called that? The Delta variant of the SARS-CoV-2 virus, also known as B.1.617.2, is named so because the term "Delta" is used to denote a fourth variant of the virus...
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What is Cubism?
What is Cubism? Cubism is an artistic movement that developed in France at the beginning of the 20th century, mainly between 1907 and 1914.
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What is the art deco style?
What is the Art Deco style? The Art Deco style is an artistic and architectural movement that developed in the 1920s and 1930s of the 20th century.
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What is the Art Nouveau style?
What is the Liberty style? The Liberty style is an artistic and architectural movement that developed in England in the second half of the 19th century.
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What is urbex?
What is urbex? Urbex, or Urban Exploration, is an activity that involves exploring abandoned or inaccessible places to the public, such as industrial buildings, schools, hospitals, prisons,...
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What is Cubism?
What is Cubism? Cubism is an artistic movement that developed in the early years of the 20th century, mainly in France.
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Why do dogs wag their tails?
Why do dogs wag their tails? The tail movement is a visual signal that has been evolutionarily developed to communicate with other dogs and with humans. The movement of the tail is a way to...
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Why do dogs lick?
Why do dogs lick? Dogs lick for various reasons, some of which are innate and others acquired. Here are some of the main reasons why dogs lick.
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Why are they called roller coasters?
Why are they called roller coasters? The term "roller coaster" comes from the literal translation of the English expression "roller coaster", which literally means "wheel slide".
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Why is New York called the Big Apple?
Why is New York called the big apple? New York City is often referred to as "The Big Apple" ("La Grande Mela" in Italian). The exact origin of the phrase is uncertain, but there are several...
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Why are my eyes burning?
Why do my eyes burn? There are several reasons why the eyes can burn. Here are some of the most common causes.
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Why do I always get shocked?
Why do I always get shocked? Frequently experiencing electric shocks can be caused by various reasons, some of which can be prevented while others cannot.
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Why do we cough?
Why do we cough? Coughing is a defense mechanism of the body that helps to eliminate irritants from the respiratory tract and to protect the lungs.
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What does "Una tantum" mean?
What does Una tantum mean? As already discussed, "una tantum" is an idiomatic expression in Italian, which means "only once" or "a single occasion".
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