In knot theory, the square knot is a composite knot obtained by taking the connected sum of a trefoil knot with its reflection. It is closely related to the granny knot, which is also a connected sum of two trefoils. Because the trefoil knot is the simplest nontrivial knot, the square knot and the granny knot are the simplest of all composite knots.
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{"fact":"Two members of the cat family are distinct from all others: the clouded leopard and the cheetah. The clouded leopard does not roar like other big cats, nor does it groom or rest like small cats. The cheetah is unique because it is a running cat; all others are leaping cats. They are leaping cats because they slowly stalk their prey and then leap on it.","length":354}
{"type":"standard","title":"Painted tree frog","displaytitle":"Painted tree frog","namespace":{"id":0,"text":""},"wikibase_item":"Q2705031","titles":{"canonical":"Painted_tree_frog","normalized":"Painted tree frog","display":"Painted tree frog"},"pageid":12376272,"thumbnail":{"source":"https://upload.wikimedia.org/wikipedia/commons/thumb/4/4d/Tuxtlas_T.picta.jpg/330px-Tuxtlas_T.picta.jpg","width":320,"height":213},"originalimage":{"source":"https://upload.wikimedia.org/wikipedia/commons/4/4d/Tuxtlas_T.picta.jpg","width":880,"height":587},"lang":"en","dir":"ltr","revision":"1196644613","tid":"b75510a3-b5a8-11ee-be4c-b37bf02ab7ca","timestamp":"2024-01-18T02:24:33Z","description":"Species of amphibian","description_source":"local","content_urls":{"desktop":{"page":"https://en.wikipedia.org/wiki/Painted_tree_frog","revisions":"https://en.wikipedia.org/wiki/Painted_tree_frog?action=history","edit":"https://en.wikipedia.org/wiki/Painted_tree_frog?action=edit","talk":"https://en.wikipedia.org/wiki/Talk:Painted_tree_frog"},"mobile":{"page":"https://en.m.wikipedia.org/wiki/Painted_tree_frog","revisions":"https://en.m.wikipedia.org/wiki/Special:History/Painted_tree_frog","edit":"https://en.m.wikipedia.org/wiki/Painted_tree_frog?action=edit","talk":"https://en.m.wikipedia.org/wiki/Talk:Painted_tree_frog"}},"extract":"The painted tree frog is a species of frog in the family Hylidae found in Belize, Guatemala, Honduras, and Mexico. Its natural habitats are subtropical or tropical dry forests, subtropical or tropical moist lowland forests, freshwater marshes, intermittent freshwater marshes, pastureland, plantations, rural gardens, heavily degraded former forests, ponds, and canals and ditches. This frog has been observed 1300 meters above sea level.","extract_html":"
The painted tree frog is a species of frog in the family Hylidae found in Belize, Guatemala, Honduras, and Mexico. Its natural habitats are subtropical or tropical dry forests, subtropical or tropical moist lowland forests, freshwater marshes, intermittent freshwater marshes, pastureland, plantations, rural gardens, heavily degraded former forests, ponds, and canals and ditches. This frog has been observed 1300 meters above sea level.
"}{"fact":"Of all the species of cats, the domestic cat is the only species able to hold its tail vertically while walking. All species of wild cats hold their tail horizontally or tucked between their legs while walking.","length":210}
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