Rowland–Molina hypothesis. In 1974 Frank Sherwood Rowland, Chemistry Professor at the University of California at Irvine, and his postdoctoral associate Mario J. Molina suggested that long-lived organic halogen compounds, such as CFCs, might behave in a similar fashion as Crutzen had proposed for nitrous oxide.

Mario Alberto Yepes Díaz (Spanish pronunciation: [ˈmaɾjo ˈʝepes]; born 13 January 1976) is a Colombian former professional footballer who played as a centre-back.He is well known for his time in Paris Saint-Germain, where he was considered to be one of the best defenders at the time, being dubbed by fans as "Super Mario". During his time in Italy with Chievo, he earned a …

Biografia L'infanzia e il soggiorno europeo. Jorge Francisco Isidoro Luis Borges Acevedo nacque prematuro (all'ottavo mese di gravidanza) nella stessa casa di via Tucumán 840 a Buenos Aires dove era già nata sua madre. Figlio di Jorge Guillermo, avvocato e insegnante di psicologia - in lingua inglese - all'Instituto del Profesorado en Lenguas Vivas e di Leonor Acevedo Haedo.

Jorge Mario Pedro Vargas Llosa, 1st Marquis of Vargas Llosa (born 28 March 1936), more commonly known as Mario Vargas Llosa (/ ˌ v ɑːr ɡ ə s ˈ j oʊ s ə /, Spanish: [ˈmaɾjo ˈβaɾɣaz ˈʎosa]), is a Peruvian novelist, journalist, essayist, and a former politician, who also holds Spanish citizenship.Vargas Llosa is one of Latin America's most significant novelists and essayists, and ...

There was a faster phase-out of halon-1211, -2402, -1301, There was a slower phase-out (to zero by 2010) of other substances (halon 1211, 1301, 2402; CFCs 13, 111, 112, etc.) [contradictory] and some chemicals were given individual attention (Carbon tetrachloride; 1,1,1-trichloroethane).The phasing-out of the less damaging HCFCs only began in 1996 and will go on until a complete …

Juan Jacobo Árbenz Guzmán (Spanish: [xwaŋ xaˈkoβo ˈaɾβenz ɣuzˈman]; 14 September 1913 – 27 January 1971) was a Guatemalan military officer and politician who served as the 25th President of Guatemala.He was Minister of National Defense from 1944 to 1950, and the second democratically elected President of Guatemala, from 1951 to 1954. He was a major figure in …

José Rafael Hernández (Chacras de Perdriel, 10 de noviembre de 1834-Buenos Aires, 21 de octubre de 1886) fue un poeta, político, periodista y militar argentino, especialmente conocido como el autor del Martín Fierro, obra máxima de la literatura gauchesca.En su homenaje, el 10 de noviembre se festeja en la Argentina el Día de la Tradición.. Tras iniciarse como militar en …

Mario Vargas Llosa [ˈ m a ɾ j o ˈ β a r ɣ a s ˈ ʎ o s a] [1], né le 28 mars 1936 à Arequipa (région d'Arequipa, au Pérou), est un écrivain péruvien naturalisé espagnol.. Auteur de romans et d'essais politiques, il est notamment lauréat du prix Nobel de littérature 2010 « pour sa cartographie des structures du pouvoir et ses images aiguisées de la résistance de l'individu, de ...

John Berton Axford (born April 1, 1983), nicknamed "Ax Man", is a Canadian professional baseball pitcher who is a free agent. He has played in Major League Baseball (MLB) for the Milwaukee Brewers, St. Louis Cardinals, Cleveland Indians, Pittsburgh Pirates, Colorado Rockies, Oakland Athletics, Toronto Blue Jays, and Los Angeles Dodgers.. Axford led the National League in …

Pope Benedict XVI (Latin: Benedictus XVI; Italian: Benedetto XVI; German: Benedikt XVI.; born Joseph Aloisius Ratzinger, German: [ˈjoːzɛf ʔaˈlɔʏzi̯ʊs ˈʁatsɪŋɐ], on 16 April 1927) is a retired prelate of the Catholic church who served as the head of the church and the sovereign of the Vatican city state from 2005 until his resignation in 2013.