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18 hours ago · Social media. Social media are interactive technologies that facilitate the creation, sharing and aggregation of content, ideas, interests, and other forms of expression through virtual communities and networks. [1] [2] Although not unchallenged, [3] [4] common features include: [2] Online platforms that enable users to create and share content ...
18 hours ago · A Soyuz-FG rocket launches from "Gagarin's Start" (Site 1/5), Baikonur Cosmodrome A rocket (from Italian: rocchetto, lit. 'bobbin/spool') [nb 1] is a vehicle that uses jet propulsion to accelerate without using any surrounding air. A rocket engine produces thrust by reaction to exhaust expelled at high speed. Rocket engines work entirely from propellant carried within the vehicle; therefore a ...
18 hours ago · Outsourcing. Outsourcing is a business practice in which companies use external providers to carry out business processes that would otherwise be handled internally, [1] [2] or in-house. [3] Outsourcing sometimes involves transferring employees and assets from one firm to another.
18 hours ago · Human papillomavirus infection ( HPV infection) is caused by a DNA virus from the Papillomaviridae family. [5] Many HPV infections cause no symptoms and 90% resolve spontaneously within two years. [1] In some cases, an HPV infection persists and results in either warts or precancerous lesions. [2] These lesions, depending on the site affected ...
