Uncle Sam Wants You 英语短文文档格式.docx
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Uncle Sam Wants You 英语短文文档格式.docx
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DOI:
10.1126/science.284.5417.1131
Books
HISTORYANDPHILOSOPHYOFSCIENCE
UncleSamWantsYou
AreviewbyDavidL.Hull*
1.DavidL.Hull*
+AuthorAffiliations
1.TheauthorisintheDepartmentofPhilosophy,NorthwesternUniversity,BrentanoHall,1818HinmanAvenue,Evanston,IL60208,USA.E-mail:
d-hull@nwu.edu
MysteryofMysteriesIsEvolutionaSocialConstruction?
MichaelRuseHarvardUniversityPress,Cambridge,MA,1999.320pp.$27.50,£
16.95.ISBN0-674-46706-X.
Manyscientists,possiblymostscientists,justdosciencewithoutthinkingtoomuchaboutit.Theyrunexperiments,makeobservations,showhowcertaindataconflictwithmoregeneralviews,setouttheories,andsoon.Periodically,however,someofus—scientistsincluded—stepbackandlookatwhatisgoingoninscience.Indoingso,studentsofscienceusesomeofthesametechniquesthatscientistsuse.Forexample,weattempttoshowthatscienceisprogressivebydetailingthehistoryofscienceoverthepastcouplehundredyears.Orwearguethatscientistshavebeenstronglyinfluencedbytheirculturesbylookingatparticularinstancesofsuchculturalinfluence.Inthisrespect,thestudyofscienceisreflexive.Wegatherdataaboutsciencetoshowexactlyhowinfluentialdataare(orarenot)inscience.Theresulthasbeenthesciencewars.
Thetwoextremepositionsinthisdisputeoverthenatureofsciencearesocialconstructivismandpositivism.Themostextremeconstructivistsseemtoholdthatallofus,scientistsincluded,arehelplessvictimsinthemawsofoursocieties.Weallbelievewhatoursocietiesforceustobelieve.Onthisextremeview,theappealsthatscientistsmaketoreason,argument,andevidencearemerelysomuchshowtocoverthesocialoriginsofourbeliefs.Thetroubleisthatconstructivistsliveinpreciselythesamesocietiesastherestofus.Somehowtheyareabletofreethemselvesfromtheineluctableholdthatsocietyhasonthem,butstrangelytherestofuscannot.Conversely,positivistsareportrayedasevil,insistingthatscientificworldviewsaretotallydevoidofanysuchconsiderations—inparticularofanyappealstovalues.Scientistssimplytellitlikeitis.Reason,argument,andevidenceareallthatmatter.Mostoftheissuesthatothersfindsofascinating,includingmetaphysics,arejustnonsense.Thatpositivistsspentsomuchtimewritingonissuesthatsurelycountasmetaphysical,includingtheclaimthatmetaphysicsisnonsense,hardlywarrantsmentioning.
Asiscommonlythecase,bothsidesengagedinthesciencewarsareconstantlyonthemove:
advancing,retreating,andcoveringtheirtracks,asbestastheycan,withverbalsmokescreens.Combatantsonbothsidesinsistthattheyneverheldanyoftheviewsforwhichtheyarefamous.Instead,theywaffleextensively.Constructivistsclaimtheyalwaysacknowledgedthatreason,argument,andevidenceplaycrucialrolesinscience.Allthattheyareattemptingtopointoutisthatsocialfactorsalsoplayimportantrolesinscience,attimesoverwhelmingmorenarrowlyscientificfactors.Moretraditionalphilosophersobjecttobeingtarredwiththesamebrushastheextremepositivists.Professionalandsocialfactorsplaypartsinscience,ofcourse,butsodoreason,argument,andevidence;
andinthelongrun,morenarrowlyscientificfactorstriumph.Hence,theonlydifferencebetweenthetwosidesisestimationofrelativeimportance.
Asreasonableasthesemoremoderatepositionsmayseem,theiradvocatesstillmustconfronttheproblemofreflexivity.Howdowedecidetherelativeimportanceofscientificandculturalfactorsinthedecisionsthatscientistsmake?
Ifwestudysciencescientifically,thenwerunthedangerofcircularity.Ifwearetostudyscienceinsomeotherways,whataretheoutlinesofthesealternatives?
Noonehassuggestedanyyet.ItisherethatMichaelRuse,inhisMysteryofMysteries,stepsintothebreach.WhenJohnHerschelreferredtothemysteryofmysteriesin1836,hehadinmindthereplacementofspeciesthroughtime,whatwehavecometocallbiologicalevolution.Rusehastheevolutionofscienceinmind,andtheevolutionofscienceisasmysterioustodayastheevolutionofspecieswasacenturyandahalfago.
Ruseproposestoinvestigatethehistoryofevolutionarybiologyfromthelate18thcenturytothepresenttodeterminetheinfluenceofvariousfactorsindecidingthecourseofthisscientificdiscipline.Heselectsadozenorsoevolutionarybiologiststostudy.HebeginswithErasmusDarwinasarepresentativeofapre-Darwinianevolutionist.Forthe19thcentury,hequitenaturallyturnstoErasmusDarwin'
sgrandson,Charles,andT.H.Huxley.Then,fromthiscentury,RusediscussesJulianHuxley,TheodosiusDobzhansky,RichardDawkins,StephenJayGould,RichardLewontin,E.O.Wilson,GeoffreyParker,andJackSepkoski.Becauseevolutionarytheoryhasbeenoneofthechiefbattlefieldsinthewarbetweenconstructivistsandpositivists,Rusecouldnothavepickedamoreappropriatetopicofstudy.Wehaveallheard,timeandagain,thatthereasonDarwin'
stheorywassoindividualistic,competitive,elitist,sexist,andracististhatDarwin'
ssocietyexhibitedthesesamecharacteristics.Darwinwassocallowthathesimplyreadthecharacteristicsofhissocietyintonature.
Ruseisuniquelypreparedtowritethisbook.HehaspublishedonthehistoryofevolutionarytheoryfrombeforeDarwintothepresent.Heisaprofessionalphilosopherofsciencewhodealswithawidespectrumoftopics,fromtheroleofreligioninsciencetothevirtuesofformalisticphilosophyofscience.Healsohasthecourageofhisconvictions—atthe1982Arkansascreationismtrialhetestifiedthatsciencecanbesharplydistinguishedfromnon-science,andthatevolutionarybiologyisclearlyonthescientificsideofthedividewhilecreationismisjustasclearlyontheunscientificside.
Asstrangeasitmaysound,courageisrequiredforwritingabooksuchasMysteryofMysteries.Historiansofscienceusuallydealwithdeadscientists.Deadscientistscannottalkback,norcantheyretaliate.Livingscientistscan.AshivergoesdownmyspinewhenIthinkofhowthelivingscientistsRusediscussesarelikelytorespondtohisbook.ButRusehasalwaysbeenwillingtocall'
emashesees'
em.Forthepastdozenyears,hehasconcludedeachissueofhisjournalBiology&
Philosophywithasetofeditorialbooknotes.Aseachissuearrivesinthemail,Iturnfirsttohis“Booknotes”withequalpartsofanticipationandapprehension.Whatwillhesaynext,andwillitbeaboutme?
ForeachoftheevolutionarybiologiststhatRusestudies,heaskshowdosuchtraditionalepistemicvaluesaspredictiveability,consistency,andcoherencecontributetothebiologist'
swork?
Healsoinvestigatestheinfluenceofwhatheterms“metavalues,”thosebeliefsthatscientistshaveaboutscienceitself.Totakeoneexample:
intheearlydaysofscience,referencestoGodinsciencewereperfectlyacceptable,butlatersuchreferenceswereexcluded.Finally,Ruseexamineswhethersuchculturalfactorsasbeliefsinprogress,maledominance,andindividualismhadsignificanteffectsonthepaththatevolutionarybiologyhastaken.
AsRuseworkshiswayfromthe18thcenturytothepresent,heevaluateseachofhissubjects,firstfromapresent-dayperspectiveandthenaccordingtothestandardsofthesubject'
sowntime.Forexample,fromapresent-dayperspective,ErasmusDarwin'
sZoonomia(1794)hardlyseemsthestuffofscience—afterall,itisapoem.Butinhisday,hismoreseriouscontemporariesalsohadconsiderabledoubtastowhetherhiswritingscountedasgenuinescience.Ruseagrees.TheinfluenceofepistemicvaluesintheevolutionarywritingsofErasmusDarwinwasminimal.Theeffectsofotherfactorsweremaximal.
WhenRuseturnstoCharlesDarwin,thebalanceshiftsdramatically.Darwintriedtomakehistheoryofevolutionlookasscientificaspossible,withvaryingdegreesofsuccess.Onechiefdifferencebetweenthe18thand19thcenturiesisthatsciencewaswellonitswaytobecomingprofessionalizedinDarwin'
sday,andoneofthechiefmetavaluesofprofessionalsciencewasthatithadtobeasfreeofnonepistemicvaluesaspossible.Regardlessofhowimportantabeliefinprogressmayhaveactuallybeenatthetime,scientistshadtoactasifitdidnotinfluencetheiractivitiesbecausesuchbeliefswerenotgenuinelyscientific.Darwinjoinedinthisprocessofconstructingscience,andheretheconstructivistnotionof“construction”hassomebite.Nineteenth-centuryintellectualsdidnotsimplydiscoverscience.Toalargeextent,theyliterallyconstructedit.Darwin,however,wasnotentirelysuccessfulinpresentinghistheoryofevolutionasexemplifyingthebestepistemicandmetalevelvaluesofhisday.OneofthecommonestandmosteffectiveobjectionstoDarwin'
stheorywasthatitwasnotgenuinescience.Ruseconcludesthatevolutionarythoughtinthelate19thcenturyis“moreepistemicallyrigorousthaniteverwas;
yetatalllevelsitisthoroughlyimpregnatedwithculture”(p.80).
AsRuseturnstoevolutionarybiologyintheearly20thcentury,thedifferencebetweenthescienceofthenandtodaydiminishesrapidlybecausethescienceofthedaywasrapidlybecomingthescienceoftoday.Thefoundersofthesynthetic,orneo-Darwinian,theoryofevolutionwereconcernedtomakeevolutionarytheoryevenmorescientificthanithadbeen,inparticularmoremathematical.Evenso,nonepistemicfactorswerealsooperative.Severalevolutionists,suchasJulianHuxley,wantedtoreplaceChristianitywithasecularre
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