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10 ore fa · Rosalind Elsie Franklin (25 July 1920 – 16 April 1958) [1] 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. [2] Although her works on coal and viruses were appreciated in her lifetime ...
10 ore fa · The body of George Meadows, lynched near the Pratt Mines in Jefferson County, Alabama, on January 15, 1889 Bodies of three African American men lynched in Habersham County, Georgia, on May 17, 1892 Six African American men lynched in Lee County, Georgia, on January 20, 1916 (retouched photo due to material deterioration) Lynching of Jesse Washington in Waco, Texas, on May 15, 1916.
