A comprehensive digital encyclopedia presenting factual, historical, and educational articles supported by reliable sources and structured data. Page: 190

A greenstick fracture is a partial bone break that typically occurs in children due to their more flexible and resilient bone composition. This fracture pattern is characterized by a break on one side of the bone while the other side remains intact and bends, similar to breaking a young, green tree …

In geometry, two geometric objects are perpendicular if they intersect at right angles, i.e. at an angle of 90 degrees or π/2 radians. The condition of perpendicularity may be represented graphically using the perpendicular symbol, ⟂. Perpendicular intersections can happen between two lines (or two …

In biology, taxonomy (from Ancient Greek τάξις (taxis) 'arrangement' and -νομία (-nomia) 'method') is the scientific study of naming, defining (circumscribing) and classifying groups of biological organisms based on shared characteristics. Organisms are grouped into taxa (singular: taxon), and these…

Humans (Homo sapiens, meaning "thinking man" or "wise man") are the most common and widespread species of primate, and the only extant species of the genus Homo. They are great apes characterized by hairlessness, obligate bipedality, manual dexterity with opposable thumbs, precision grip, and high i…

The term rolling stock in the rail transport industry refers to railway vehicles, including both powered and unpowered vehicles: for example, locomotives, freight and passenger cars (or coaches), and non-revenue cars. Passenger vehicles can be un-powered, or self-propelled, single or multiple units.…

The ocean is the body of salt water that covers approximately 70.8% of Earth. The ocean is conventionally divided into large bodies of water, which are also referred to as oceans (in descending order by area: the Pacific Ocean, the Atlantic Ocean, the Indian Ocean, the Antarctic/Southern Ocean, and …

The Emishi, Ebisu or Ezo (蝦夷; Japanese pronunciation: [eꜜ.mʲi.ɕi, eꜜ.bʲi.sɯ, eꜜ.(d)zo]) were a group of people who lived in parts of northern Honshū in present-day Japan, especially in the Tōhoku region.…

The Cyrillic script (/sɪˈrɪlɪk/ sih-RI-lik) is a writing system used for various languages across Eurasia. It is the designated national script in various Slavic, Turkic, Mongolic, Uralic, Caucasian and Iranic-speaking countries in Southeastern Europe, Eastern Europe, the Caucasus, Central Asia, Nor…

The Praetorian Guard (Latin: cohortes praetoriae) was the imperial guard of the Imperial Roman army that served various roles for the Roman emperor including being a bodyguard unit, counterintelligence, crowd control and gathering military intelligence.…

Andalusia (UK: /ˌændəˈluːsiə, -ziə/ AN-də-LOO-see-ə, -⁠zee-ə, US: /-ʒ(i)ə, -ʃ(i)ə/ -⁠zh(ee-)ə, -⁠sh(ee-)ə; Spanish: Andalucía [andaluˈθi.a] , locally also [-ˈsi.a]) is the southernmost autonomous community in Peninsular Spain, located in the south of the Iberian Peninsula, in southwestern Europe. It…