Franklin Delano Roosevelt [ˈfɹæŋk.lɪn ˈdɛlənoʊ ˈɹoʊzə.vɛlt] (Aussprache? / i) (* 30. Januar 1882 in Hyde Park, New York; † 12. April 1945 in Warm Springs, Georgia), oft mit seinen Initialen FDR abgekürzt, war vom 4. März 1933 bis zu seinem Tod am 12. April 1945 der 32. Präsident der Vereinigten Staaten.Er gehörte der Demokratischen Partei an.

Rosalind Elsie Franklin (25 July 1920 – 16 April 1958) was a British chemist and X-ray crystallographer whose work was central to the understanding of the molecular structures of DNA (deoxyribonucleic acid), RNA (ribonucleic acid), viruses, coal, and graphite. Although her works on coal and viruses were appreciated in her lifetime, her contributions to the discovery of the …

Franklin dejó King's College, Londres a mediados de marzo en 1954, para ir a Birkbeck College, en una transferencia que había planeado por algún tiempo, la cual ella describió (en una carta a Adrienne Weill en París) como «mudarse de un palacio a los barrios bajos... pero más agradable al mismo tiempo». [101] Fue reclutada por el director del departamento de física J. D. Bernal, …

Lesley Rene Stahl (born December 16, 1941) is an American television journalist. She has spent most of her career with CBS News, where she began as a producer in 1971. Since 1991, she has reported for CBS's 60 Minutes. She is known for her news and television investigations, and award-winning foreign reporting. For her ...

El experimento de Meselson - Stahl fue un experimento realizado en 1957 por Matthew Meselson y Franklin Stahl en el que se demostró que la replicación de ADN era semiconservadora.Una replicación semiconservadora es aquella en que la cadena de dos filamentos en hélice del ADN se replica de forma tal que cada una de las dos cadenas de ADN …

Wole Soyinka bụ onye Afrịka mbụ nwetara ihe nrite Nobel, nke o nwetara na 1986 maka akwụkwọ edemede, ma bụrụkwa onye ama ama na-akatọ ọha na eze na ndọrọ ndọrọ ọchịchị.; Mmemme Olimpik kacha aga nke ọma na Naịjirịa bụ asọmpi Olympik nke 1996, ebe ndị otu egwuregwu bọọlụ ụmụnwoke meriri ọla edo, na Chioma Ajunwa merikwara ihe nrite ọla ...

Länsimetron jatke Matinkylästä Kivenlahteen otettiin käyttöön Espoossa. (Finlandia-palkinnot jaettiin. Kaunokirjallisuuden Finlandian voitti Iida Rauma kirjallaan Hävitys: Tapauskertomus. (Kiinan mielenosoitukset koronavirusrajoituksia ja keskushallintoa vastaan yltyivät.(Länsi-Jaavan maanjäristyksessä yli 260 ihmistä on kuollut ja satoja loukkaantunut.

The Meselson–Stahl experiment is an experiment by Matthew Meselson and Franklin Stahl in 1958 which supported Watson and Crick's hypothesis that DNA replication was semiconservative.In semiconservative replication, when the double-stranded DNA helix is replicated, each of the two new double-stranded DNA helices consisted of one strand from the …

Thomas Moran (February 12, 1837 – August 25, 1926) was an American painter and printmaker of the Hudson River School in New York whose work often featured the Rocky Mountains.Moran and his family, wife Mary Nimmo Moran and daughter Ruth took residence in New York where he obtained work as an artist. He was a younger brother of the noted marine artist Edward Moran, …

Joseph Hill Whedon (/ ˈ hw iː d ən /; born June 23, 1964) is an American filmmaker, composer, and comic book writer.He is the founder of Mutant Enemy Productions, co-founder of Bellwether Pictures, and is best known as the creator of several television series: the supernatural drama Buffy the Vampire Slayer (1997–2003) and its spinoff Angel (1999–2004), the short-lived space …