Darwin knew that we all come from ape
But detractors just stood there agape
See, he knew not the trick
It took Watson and Crick
To discover that nice helix shape

Event: James Watson and Francis Crick publish “Molecular Structure of Nucleic Acids: A Structure for Deoxyribose Nucleic Acid,” in which the double helix structure of DNA is described for the first time
Year: 1953
Learn more: http://en.wikipedia.org/wiki/Molecular_Structure_of_Nucleic_Acids:_A_Structure_for_Deoxyribose_Nucleic_Acid