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Hace 3 días · Africa. Africa is the world's second largest and second-most populous continent after Asia. At about 30.3 million km 2 (11.7 million square miles) including adjacent islands, it covers 20% of Earth 's land area and 6% of its total surface area. [7] With 1.4 billion people [1] [2] as of 2021, it accounts for about 18% of the world's human ...
Hace 5 días · Shirley Temple (born April 23, 1928, Santa Monica, California, U.S.—died February 10, 2014, Woodside, California) was an American actress and public official who was an internationally popular child star of the 1930s, best known for sentimental musicals. For much of the decade, she was one of Hollywood’s greatest box-office attractions.
Hace 3 días · Etymology. The English word snake comes from Old English snaca, itself from Proto-Germanic *snak-an-(cf. Germanic Schnake 'ring snake', Swedish snok 'grass snake'), from Proto-Indo-European root *(s)nēg-o-'to crawl to creep', which also gave sneak as well as Sanskrit nāgá 'snake'. The word ousted adder, as adder went on to narrow in meaning, though in Old English næddre was the general ...
Hace 2 días · A computer mouse with the most common features: two buttons (left and right) and a scroll wheel (which can also function as a button when pressed inwards) A typical wireless computer mouse A computer mouse (plural mice, also mouses) is a hand-held pointing device that detects two-dimensional motion relative to a surface. This motion is typically translated into the motion of the pointer ...
Hace 2 días · Featured articles in Wikipedia. Featured articles are considered to be some of the best articles Wikipedia has to offer, as determined by Wikipedia's editors. They are used by editors as examples for writing other articles. Before being listed here, articles are reviewed as featured article candidates for accuracy, neutrality, completeness, and ...
Hace 4 días · Tennis for Two (1958), an early analog computer game that used an oscilloscope for a display. Early video games use interactive electronic devices with various display formats. The earliest example is from 1947—a "cathode-ray tube amusement device" was filed for a patent on 25 January 1947, by Thomas T. Goldsmith Jr. and Estle Ray Mann, and issued on 14 December 1948, as U.S. Patent 2455992.
Hace 2 días · Parkinson's disease (PD), or simply Parkinson's, is a long-term neurodegenerative disease of mainly the central nervous system that affects both the motor system and non-motor systems. The symptoms usually emerge slowly, and as the disease progresses, non-motor symptoms become more common. Usual symptoms are tremor, slowness of movement, rigidity, and difficulty with balance, collectively ...
