資源描述:
《The Double Helix》由會(huì)員上傳分享,免費(fèi)在線閱讀,更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫(kù)。
1、THEDOUBLEHELIXAPersonalAccountoftheDiscoveryoftheStructureofDNAbyJamesD.WatsonForewordbySirLawrenceBraggTHISACCOUNToftheeventswhichledtothesolutionofthestructureofDNA,thefundamentalgeneticalmaterial,isuniqueinseveralways.IwasmuchpleasedwhenWatsonaskedmetowritet
2、heforeword.Thereisinthefirstplaceitsscientificinterest.ThediscoveryofthestructurebyCrickandWatson,withallitsbiologicalimplications,hasbeenoneofthemajorscientificeventsofthiscentury.Thenumberofresearcheswhichithasinspiredisamazing;ithascausedanexplosioninbiochem
3、istrywhichhastransformedthescience.Ihavebeenamongstthosewhohavepressedtheauthortowritehisrecollectionswhiletheyarestillfreshinhismind,knowinghowimportanttheywouldbeasacontributiontothehistoryofscience.Theresulthasexceededexpectation.Thelatterchapters,inwhichthe
4、birthofthenewideaisdescribedsovividly,aredramaofthehighestorder;thetensionmountsandmountstowardsthefinalclimax.Idonotknowofanyotherinstancewhereoneisabletosharesointimatelyintheresearcher'sstrugglesanddoubtsandfinaltriumph.Thenagain,thestoryisapoignantexampleof
5、adilemmawhichmayconfrontaninvestigator.Heknowsthatacolleaguehasbeenworkingforyearsonaproblemandhasaccumulatedamassofhard-wonevidence,whichhasnotyetbeenpublishedbecauseitisanticipatedthatsuccessisjustaroundthecomer.Hehasseenthisevidenceandhasgoodreasontobelievet
6、hatamethodofattackwhichhecanenvisage,perhapsmerelyanewpointofview,willleadstraighttothesolution.Anofferofcollaborationatsuchastagemightwellberegardedasatrespass.ShouldhegoaheadonhisownItisnoteasytobesurewhetherthecrucialnewideaisreallyone'sownorhasbeenunconscio
7、uslyassimilatedintalkswithothers.Therealizationofthisdifficultyhasledtotheestablishmentofasomewhatvaguecodeamongstscientistswhichrecognizesaclaiminalineofresearchstakedoutbyacolleagueuptoacertainpoint.Whencompetitioncomesfrommorethanonequarter,thereisnoneedtoho
8、ldback.ThisdilemmacomesoutclearlyintheDNAstory.Itisasourceofdeepsatisfactiontoallintimatelyconcernedthat,intheawardoftheNobelPrizein1962,duerecognitionwasgiventothelong,pati