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Hace 6 días · Visna-maedi virus. The human immunodeficiency viruses ( HIV) are two species of Lentivirus (a subgroup of retrovirus) that infect humans. Over time, they cause acquired immunodeficiency syndrome (AIDS), [1] [2] a condition in which progressive failure of the immune system allows life-threatening opportunistic infections and cancers to thrive. [3]
Hace 3 días · v. t. e. The size of the English Wikipedia can be measured in terms of the number of articles, number of words, number of pages, and the size of the database, among other ways. As of 24 May 2024, there are 6,826,942 articles in the English Wikipedia containing over 4.5 billion words (giving an average of about 668 words per article).
Hace 4 días · This Manual of Style ( MoS or MOS) is the style manual for all English Wikipedia articles (though provisions related to accessibility apply across the entire project, not just to articles). This primary page is supported by further detail pages, which are cross-referenced here and listed at Wikipedia:Manual of Style/Contents.
Hace 2 días · A bicycle, also called a pedal cycle, bike, push-bike or cycle, is a human-powered or motor-assisted, pedal-driven, single-track vehicle, with two wheels attached to a frame, one behind the other. A bicycle rider is called a cyclist, or bicyclist. Bicycles were introduced in the 19th century in Europe.
Hace 3 días · Antennas. Wi-Fi ( / ˈwaɪfaɪ /) [1] [a] is a family of wireless network protocols based on the IEEE 802.11 family of standards, which are commonly used for local area networking of devices and Internet access, allowing nearby digital devices to exchange data by radio waves. These are the most widely used computer networks, used globally in ...
Hace 4 días · Nudity is the state of being in which a human is without clothing. While estimates vary, for the first 90,000 years of pre-history, anatomically modern humans were naked, having lost their body hair and living in hospitable climates. As humans became behaviorally modern, body adornments such as jewelry, tattoos, body paint and scarification ...
Hace 1 día · Asia is the largest continent on Earth. It covers 9% of the Earth's total surface area (or 30% of its land area), and has the longest coastline, at 62,800 kilometres (39,022 mi). Asia is generally defined as comprising the eastern four-fifths of Eurasia.
