A virus is a microscopic organism that can replicate only inside the cells of a host organism. Most viruses are so tiny they are only observable with at least a conventional optical microscope.
Recognized by the Guiness Book of World Records as the MMO with the longest play time per player, and easily the oldest game on this list (launching four years ahead of World of Warcraft, way back in 2001), Runescape deserves mention because it's one of the most updated and popular games of any kind on the planet.
What master chief petty officer of the navy held position the longest? Though the billet is typically for around 4 years, of the 12 MCPON's who have served in the Navy, MCPON(SW/PJ) John Hagan held the position the longest (almost 6 years), from â¦August 1992 to March 1998.