Word: helix
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...Watson and Crick build a model of DNA as a triple helix. Franklin immediately spots their major blunder...
...must be a helix after all, and on a cold train ride back to Cambridge, Watson decided that two helical sugar-phosphate backbones made more sense than three. "Thus by the time I had cycled back to college and climbed over the back gate, I had decided to build two-chain models. Francis would have to agree. Even though he was a physicist, he knew that important biological objects came in pairs...
Watson's The Double Helix is published and becomes a best seller...
...Watson goes to London to tell Wilkins and Franklin about Pauling's mistake. Wilkins shows Watson Franklin's best image of the B form, which strongly suggests a double helix...
50th anniversary of Watson and Crick's discovery of the double helix...