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On February 25, 1953, American Scientists James D. Watson and Francis H.C. Crick discovered the double-helix structure of DNA, the molecule that contains the human genes.
SHARE THIS! Amazing similarities between Lincoln and Kennedy that will make you say WOW: Lincoln was elected to Congress in 1846.Kennedy was elected to Congress in 1946.Lincoln was elected president in 1860.Kennedy was elected president i... Read More