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  1. Hace 17 horas · 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, Franklin's contributions to the discovery of the structure ...

  2. en.wikipedia.org › wiki › Social_mediaSocial media - Wikipedia

    Hace 17 horas · Social media app icons on a smartphone screen. Social media are interactive technologies that facilitate the creation, sharing and aggregation of content, ideas, interests, and other forms of expression through virtual communities and networks. Common features include: Online platforms that enable users to create and share content and participate in social networking.