{"id":627498,"date":"2026-01-19T00:38:23","date_gmt":"2026-01-18T23:38:23","guid":{"rendered":"https:\/\/cronologia-universale.it\/august-6-1991\/"},"modified":"2026-01-19T00:38:23","modified_gmt":"2026-01-18T23:38:23","slug":"1983-3","status":"publish","type":"post","link":"https:\/\/cronologia-universale.it\/en\/1983-3\/","title":{"rendered":"1983"},"content":{"rendered":"<p>American biochemist Kary Mullis of Cetus Corporation invented PCR (Polymerase Chain Reaction), a technique that would become widely used to rapidly make billions of copies of a specific, small DNA sample. This allowed only small samples to be taken and then amplified, allowing DNA to be studied in the laboratory. Mullis would earn the Nobel Prize for this in 1993.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>American biochemist Kary Mullis of Cetus Corporation invented PCR (Polymerase Chain Reaction), a technique that&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[34],"tags":[],"class_list":["post-627498","post","type-post","status-publish","format-standard","hentry","category-e-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>1983 - Cronologia Universale<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cronologia-universale.it\/en\/1983-3\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"1983 - 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