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  1. e. The Oxford–AstraZeneca COVID‑19 vaccine, sold under the brand names Covishield [31] and Vaxzevria [1] [32] among others, is a viral vector vaccine for the prevention of COVID-19. It was developed in the United Kingdom by Oxford University and British-Swedish company AstraZeneca, [33] [34] [35] using as a vector the modified chimpanzee ...

  2. Wikipedia is written by volunteer editors and hosted by the Wikimedia Foundation, a non-profit organization that also hosts a range of other volunteer projects : Commons. Free media repository. MediaWiki. Wiki software development. Meta-Wiki. Wikimedia project coordination. Wikibooks. Free textbooks and manuals.

  3. en.wikipedia.org › wiki › SwitzerlandSwitzerland - Wikipedia

    Switzerland, officially the Swiss Confederation, is a landlocked country located in west-central Europe.[e][13] It is bordered by Italy to the south, France to the west, Germany to the north and Austria and Liechtenstein to the east. Switzerland is geographically divided among the Swiss Plateau, the Alps and the Jura; the Alps occupy the ...

  4. en.wikipedia.org › wiki › 11 - Wikipedia

    • As A Word
    • Symbols and Representation
    • In Mathematics
    • In Technology
    • In Science
    • In Philosophy
    • See Also

    Etymology

    One originates from the Old English word an, derived from the Germanic root *ainaz, from the Proto-Indo-European root *oi-no-(meaning "one, unique").

    Modern usage

    Linguistically, one is a cardinal number used for counting and expressing the number of items in a collection of things. One is commonly used as a determiner for singular countable nouns, as in one day at a time. One is also a gender-neutral pronoun used to refer to an unspecified person or to people in general as in one should take care of oneself. Words that derive their meaning from one include alone, which signifies all one in the sense of being by oneself, none meaning not one, once deno...

    Among the earliest known record of a numeral system, is the Sumerian decimal-sexagesimal system on clay tablets dating from the first half of the third millennium BCE. The Archaic Sumerian numerals for 1 and 60 both consisted of horizontal semi-circular symbols. By c.2350 BCE, the older Sumerian curviform numerals were replaced with cuneiform symbo...

    Mathematically, the number 1 has unique properties and significance. In normal arithmetic (algebra), the number 1 is the first natural number after 0 (zero) and can be used to make up all other integers (e.g., 1 = 1 {\displaystyle 1=1} ; 2 = 1 + 1 {\displaystyle 2=1+1} ; 3 = 1 + 1 + 1 {\displaystyle 3=1+1+1} etc.).The product of 0 numbers (the empt...

    In digital technology, data is represented by binary code, i.e., a base-2 numeral system with numbers represented by a sequence of 1s and 0s. Digitised data is represented in physical devices, such as computers, as pulses of electricity through switching devices such as transistors or logic gates where "1" represents the value for "on". As such, th...

    Hydrogen, the first element of the periodic table, has an atomic numberof 1.
    Group 1 of the periodic table consists of the alkali metals.
    Period 1 of the periodic table consists of just two elements, hydrogen and helium.

    In the philosophy of Plotinus (and that of other neoplatonists), The One is the ultimate reality and source of all existence. Philo of Alexandria(20 BC – AD 50) regarded the number one as God's number, and the basis for all numbers ("De Allegoriis Legum", ii.12 [i.66]). The Neopythagorean philosopher Nicomachus of Gerasa affirmed that one is not a ...

  5. en.wikipedia.org › wiki › IcelandIceland - Wikipedia

    Iceland (Icelandic: Ísland, pronounced [ˈistlant] ⓘ)[d] is a Nordic island country between the North Atlantic and Arctic Oceans, on the Mid-Atlantic Ridge between North America and Europe. It is linked culturally and politically with Europe and is the region's most sparsely populated country.[12] Its capital and largest city is Reykjavík ...

  6. en.wikipedia.org › wiki › PiPi - Wikipedia

    The number π (/paɪ/; spelled out as "pi") is a mathematical constant that is the ratio of a circle's circumference to its diameter, approximately equal to 3.14159. The number π appears in many formulae across mathematics and physics. It is an irrational number, meaning that it cannot be expressed exactly as a ratio of two integers, although ...

  7. October 15, 1966. The Mount Rushmore National Memorial is a national memorial centered on a colossal sculpture carved into the granite face of Mount Rushmore ( Lakota: Tȟuŋkášila Šákpe, or Six Grandfathers) in the Black Hills near Keystone, South Dakota, United States. Sculptor Gutzon Borglum designed the sculpture, called Shrine of ...