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  2. COVID-19 pandemic - Wikipedia

    en.wikipedia.org/wiki/COVID-19_pandemic

    On 20 December 2022, the Chinese State Council narrowed its definition of what would be counted as a COVID-19 death to include solely respiratory failure, which led to skepticism by health experts of the government's total death count [287] [288] at a time when hospitals reported being overwhelmed with cases following the abrupt discontinuation ...

  3. Standard deviation - Wikipedia

    en.wikipedia.org/wiki/Standard_deviation

    Stock A over the past 20 years had an average return of 10 percent, with a standard deviation of 20 percentage points (pp) and Stock B, over the same period, had average returns of 12 percent but a higher standard deviation of 30 pp. On the basis of risk and return, an investor may decide that Stock A is the safer choice, because Stock B's ...

  4. Fibonacci sequence - Wikipedia

    en.wikipedia.org/wiki/Fibonacci_sequence

    Fibonacci sequence. In mathematics, the Fibonacci sequence is a sequence in which each number is the sum of the two preceding ones. Numbers that are part of the Fibonacci sequence are known as Fibonacci numbers, commonly denoted Fn . Many writers begin the sequence with 0 and 1, although some authors start it from 1 and 1 [1][2] and some (as ...

  5. List of countries and dependencies by area - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_and...

    Dymaxion map of the world with the 30 largest countries and territories by area. This is a list of the world's countries and their dependencies by land, water, and total area, ranked by total area.

  6. Medicare (United States) - Wikipedia

    en.wikipedia.org/wiki/Medicare_(United_States)

    Lyndon B. Johnson signing the Medicare amendment (July 30, 1965). Former President Harry S. Truman (seated) and his wife, Bess, are on the far right.. Originally, the name "Medicare" in the United States referred to a program providing medical care for families of people serving in the military as part of the Dependents' Medical Care Act, which was passed in 1956. [5]

  7. WALL-E - Wikipedia

    en.wikipedia.org/wiki/WALL-E

    At the request of Stanton, Disney licensed WALL-E to The Criterion Collection in September 2022, which created a special 4K Blu-ray-Blu-ray combo edition of the film that was released on November 22, 2022, featuring the same 4K digital master used for Disney's original 4K Blu-ray release, but now presented in Dolby Vision and HDR10+ as approved ...

  8. Unreal Engine - Wikipedia

    en.wikipedia.org/wiki/Unreal_Engine

    Unreal Engine (UE) is a 3D computer graphics game engine developed by Epic Games, first showcased in the 1998 first-person shooter video game Unreal.Initially developed for PC first-person shooters, it has since been used in a variety of genres of games and has been adopted by other industries, most notably the film and television industry.

  9. Periodic table - Wikipedia

    en.wikipedia.org/wiki/Periodic_table

    Periodic table. The periodic table, also known as the periodic table of the elements, is an ordered arrangement of the chemical elements into rows ("periods") and columns ("groups"). It is an icon of chemistry and is widely used in physics and other sciences. It is a depiction of the periodic law, which states that when the elements are ...