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Methamphetamine [note 1] (contracted from N- methylamphetamine) is a potent central nervous system (CNS) stimulant that is mainly used as a recreational drug and less commonly as a second-line treatment for attention deficit hyperactivity disorder and obesity. [22] Methamphetamine was discovered in 1893 and exists as two enantiomers: levo ...
Occam's razor. In philosophy, Occam's razor (also spelled Ockham's razor or Ocham's razor; Latin: novacula Occami) is the problem-solving principle that recommends searching for explanations constructed with the smallest possible set of elements. It is also known as the principle of parsimony or the law of parsimony ( Latin: lex parsimoniae ).
Franklin Delano Roosevelt[a] (January 30, 1882 – April 12, 1945), commonly known by his initials FDR, was an American statesman and politician who served as the 32nd president of the United States from 1933 until his death in 1945. He was a member of the Democratic Party and is the only U.S. president to have served more than two terms. His ...
Vincent Willem van Gogh ( Dutch: [ˈvɪnsɛnt ˈʋɪləɱ‿vɑŋ‿ˈɣɔx] ⓘ; [note 1] 30 March 1853 – 29 July 1890) was a Dutch Post-Impressionist painter who is among the most famous and influential figures in the history of Western art. In just over a decade, he created approximately 2100 artworks, including around 860 oil paintings ...
Leonardo di ser Piero da Vinci [b] (15 April 1452 – 2 May 1519) was an Italian polymath of the High Renaissance who was active as a painter, draughtsman, engineer, scientist, theorist, sculptor, and architect. [3] While his fame initially rested on his achievements as a painter, he has also become known for his notebooks, in which he made ...
The Gulf War was an armed conflict between Iraq and a 42-country coalition led by the United States.The coalition's efforts against Iraq were carried out in two key phases: Operation Desert Shield, which marked the military buildup from August 1990 to January 1991; and Operation Desert Storm, which began with the aerial bombing campaign against Iraq on 17 January 1991 and came to a close with ...
Edward Joseph Snowden (born June 21, 1983) is an American and naturalized Russian citizen who as a former U.S. computer contractor leaked highly classified information from the National Security Agency (NSA) in 2013 when he was an employee and subcontractor. He is currently under indictment for espionage.[4] His disclosures revealed numerous ...
