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Hace 9 horas · Ernest Miller Hemingway (/ ˈ ɜːr n ɪ s t ˈ h ɛ m ɪ ŋ w eɪ /; July 21, 1899 – July 2, 1961) was an American novelist, short-story writer and journalist. Best known for an economical, understated style that significantly influenced later 20th-century writers, he is often romanticized for his adventurous lifestyle, and outspoken and blunt public image.
Hace 9 horas · Wu Zetian [note 8] (17 February 624 [note 9] [note 10] – 16 December 705), [3] [4] personal name Wu Zhao, was Empress of China from 660 to 705, ruling first through others and then (from 690) in her own right. She ruled first as empress consort, through her husband Emperor Gaozong and then as an empress dowager, through her sons Emperors ...
Hace 9 horas · Background and Objectives: Radicalization, a complex and multifaceted phenomenon, has been a subject of increasing concern in recent years, particularly due to its potential connection to acts of mass violence and terrorism. This systematic review examines the intricate link between radicalization and psychotic disorders, utilizing various sources such as observational studies, case reports ...
Hace 9 horas · J. Robert Oppenheimer (born Julius Robert Oppenheimer; / ˈɒpənhaɪmər / OP-ən-hy-mər; April 22, 1904 – February 18, 1967) was an American theoretical physicist. He was director of the Manhattan Project 's Los Alamos Laboratory during World War II and is often called the "father of the atomic bomb ". Born in New York City, Oppenheimer ...
Hace 9 horas · Caligula made a public show of burning Tiberius' secret papers, which outlined many of the senate's various acts of villainy, betrayal and treason against Tiberius, and their cooperation in trials of their own number. Caligula claimed – falsely, as it later turned out – that he had read none of these documents before burning them.
Hace 1 día · Etymology and history Eduard Buchner By the late 17th and early 18th centuries, the digestion of meat by stomach secretions and the conversion of starch to sugars by plant extracts and saliva were known but the mechanisms by which these occurred had not been identified. French chemist Anselme Payen was the first to discover an enzyme, diastase, in 1833. A few decades later, when studying the ...
Hace 9 horas · In nonenzymatic functions it acts as a reducing agent, donating electrons to oxidized molecules and preventing oxidation in order to keep iron and copper atoms in their reduced states. At non-physiological concentrations achieved by intravenous dosing, vitamin C may function as a pro-oxidant, with therapeutic toxicity against cancer cells.
