28th FEBRUARY ~ HiSTORY ON THiS DAY

February 28th ~ This Day in History video by History.com ~ 1953: Watson and Crick discover chemical structure of DNA: Cambridge University scientists James D. Watson and Frances H.C. Crick announced that they had determined the double-helix structure of DNA, the molecule containing human genes, on the 28th February 1953. Read more about DNA (Deoxyribonucleic acid) | & see more about history on this day in the video…