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下列选项中，属于九味羌活汤的两味药物是
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下列药物中不属于九味羌活汤组成药物的是
川芎
苍术
防风
生地
连翘
九味羌活汤组成中不包括下列哪味药物
防风
细辛
葛根
生地
黄芩
下列选项中属于九味羌活汤的两味药物是
细辛、防风
黄羊、半夏
荆芥、川芍
白芷、薄荷
下列属九味羌活汤中分经论治的药物是
苍术
细辛
羌活
白芷
九味羌活汤中具有清泄里热防诸药辛温燥烈之品伤津作用的两味药物是
九味羌活汤与柴葛解肌汤两方组成中均含有的药物是
麻黄 桂枝
羌活 白芷
白芍 甘草
黄芩 连翘
桔梗 芦根
下列选项中属于几味羌活汤的两味药物是
荆芥、川芎
黄芩、半夏
细辛、防风
生地、干姜
白芷、薄荷
下列选项中属于九味羌活汤的两味药物是
荆芥、川芎
黄芩、半夏
细辛、防风
生地、干姜
百芷、薄荷
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Newsreportsoftenfocusondisputesamongscientistsoverthevalidityofpreliminaryuntesteddatahypothesesandmodelswhichbydefinitionaretentative.Thisaspectofscience-1becauseithasnotbeenwidely2andaccepted-iscalledfrontierscience.Themedia3tofocusonfrontiersciencebecauseitsso-calledbreakthroughsmakegoodnewsstories.Justbecausesomethingisinthe4offrontierscience5doesnotmeanthatitisn’’tworthyofseriousconsideration;6suchmattersneedfurtherstudytodeterminetheir7. 8contrastconsensusscienceconsistsofdatamodelstheoriesandlawsthatarewidelyaccepted.Thisaspectofscienceisveryreliablebutis9considerednewsworthy.Thetroubleisthatthewordscienceisusedto10bothfrontierandconsensussciencewithout11Themediapreference12frontiersciencegivesthepublicthe13impressionthatfrontierscience14verycertainconclusionswhichmayormaynotbecorrect. However15somefrontierscienceislatershowntobeunreliablemembersofthepublicoftenfalsely16thatconsensusscienceisalsoquiteuncertain.Weneedtotakebothfrontierandconsensusscience17butrecognizetheirdifferences.Onewaytofindoutwhatscientistsgenerallyagree18istoseekoutreportsbyscientificbodiesthatattemptto19consensusin20areasofscienceandtechnology.
HuntingforajoblatelastyearlawyerGantRedmonstumbledacrossCareerBuilderajobdatabaseontheInternet.Hesearcheditwithnosuccessbutwasattractedbythesite’’spersonalsearchagent.It’’saninteractivefeaturethatletsvisitorskeyinjobcriteriasuchaslocationtitleandsalarythenE-mailsthemwhenamatchingpositionispostedinthedatabase.RedmonchosethekeywordslegalintellectualpropertyandWashingtonD.C.Threeweekslaterhegothisfirstnotificationofanopening.IstruckgoldsaysRedmonwhoE-mailedhisresumetotheemployerandwonapositionasin-housecounselforacompany. Withthousandsofcareer-relatedsitesontheInternetfindingpromisingopeningscanbetime-consumingandinefficient.Searchagentsreducetheneedforrepeatedvisitstothedatabases.ButalthoughasearchagentworkedforRedmoncareerexpertsseedrawbacks.Narrowingyourcriteriaforexamplemayworkagainstyou:Everytimeyouansweraquestionyoueliminateapossibilitysaysoneexpert. Foranyjobsearchyoushouldstartwithanarrowconceptwhatyouthinkyouwanttodo--thenbroadenit.Noneoftheseprogramsdothatsaysanotherexpert.There’’snocareercounselingimplicitinallofthis.Insteadthebeststrategyistousetheagentasakindoftipservicetokeepabreastofjobsinaparticulardatabase;whenyougetE-mailconsideritaremindertocheckthedatabaseagain.Iwouldnotrelyonagentsforfindingeverythingthatisaddedtoadatabasethatmightinterestmesaystheauthorofajob-searchingguide. Somesitesdesigntheiragentstotemptjobhunterstoreturn.WhenCareerSite’’sagentsendsoutmessagestothosewhohavesignedupforitsserviceforexampleitincludesonlythreepotentialjobs--thoseitconsidersthebestmatches.Theremaybemorematchesinthedatabase;jobhunterswillhavetovisitthesiteagaintofindthem--andtheydo.OnthedayafterwesendourmessagesweseeasharpincreaseinourtrafficsaysSethPeetsvicepresidentofmarketingforCareerSite. Eventhosewhoaren’’thuntingforjobsmayfindsearchagentsworthwhile.Someusethemtokeepaclosewatchonthedemandfortheirlineofworkorgatherinformationoncompensationtoannthemselveswhennegotiatingforaraise.AlthoughhappilyemployedRedmonmaintainshisagentatCareerBuilder.Youalwayskeepyoureyesopenhesays.Workingwithapersonalsearchagentmeanshavinganothersetofeyeslookingoutforyou. TheexpressiontipserviceLine4Paragraph3mostprobablymeans
Inacompetitiveeconomytheconsumerusuallyhasthechoiceofseveraldifferentbrandsofthesameproduct.Yetunderneaththeirlabelstheseproductsareoftennearlyidentical.Onemanufacturer’’stoothpastetendstodifferverylittlefromanothermanufacturer’’s.Twodifferentbrandsofshampoomayvaryonlyinscentorcolor.Andthetobaccointwodifferentbrandsofcigarettesfrequentlycomesfromthesamefields.Thisclosesimilaritymeansthatashopperoftenhaslittlereasontochooseonebrandoveranother.Thusmanufacturersareconfrontedwithaproblem--howtokeepsaleshighenoughtostayinbusiness.Manufacturerssolvethisproblembyadvertising.Throughadvertisingeachmanufacturingcompanytriestoconvinceconsumersthatitsproductisspecial.Todothisthecompaniestrytoappealtoconsumersinvariousways.Infactadvertisementsmaybeclassifiedintothreetypesaccordingtothekindofappealstheyuse. Onetypeofadvertisementtriestoappealtotheconsumer’’sreasoningmind.Itmayofferaclaimthatseemsscientific.ForexampleitmaysaythatdentistsrecommendFlashtoothpasteoritmaydeclarethatWoofdogfoodcontainsaspecialvitamin-richingredientknownasK-9oritmayreportthatlaboratorytestsshowthatR.I.P.cigarettescontainfewerharmfulingredientsthanotherbrands.Insellingaproductthetruthofadvertisingmaybelessimportantthantheappearanceoftruth.Ascientificapproachgivestheappearanceoftruth. Anothertypeofadvertisementtriestoamusethepotentialbuyer.Productsthatareessentiallyboringsuchascleaningpowderorinsecticideareoftenadvertisedinanamusingmanner.Onewayofdoingthisistomaketheproductsappearalive.Theadvertisermaydrawlittlecartooneyesarmsandlegsonthecansofcleaningpowderandhavetheresultingfiguresscrubthesink.Adsofthissortaresillybutadvertisersbelievethatconsumersarelikelytorememberandbuytheproductsthattheconsumersassociatewithfun. Associatingtheproductwithsomethingpleasantisthetechniqueofthethirdtypeofappeal.Inthisclassareadsthatsuggestthattheproductwillsatisfysomebasichumandesires.Onesuchdesireisthewishtobeadmiredbyotherpeople.Manyautomobileadvertisementsareinthiscategory.Theyimplythatotherpeoplewilladmireyou--mayevenbejealous--whentheyseeyoudrivingthehotnewAardvarkcar.Thiskindofappealissometimesstrengthenedbyhiringafamouspersontoendorsetheproduct.Seeingthefamouspersontheconsumerissupposedtoreasonthus:EveryoneadmiresJudsonSmiththegreatfootballstar.JudsonSmithusedBuckworthyBanktraveler’’schecks.ThereforeifIuseBuckworthyBanktraveler’’scheckseveryonewilladmiremetoo.Someotherbasicdesiresthatadscommonlytrytoappealtoarethedesiresforsocialacceptancefinancialsecurityandsoon. OneonlyneedstolookthroughamagazineorwatchanhourofTVinordertoseeexamplesofthesethreedifferentadvertisingstrategies. Theauthorisprobablyinfavorofthestatementthat
HuntingforajoblatelastyearlawyerGantRedmonstumbledacrossCareerBuilderajobdatabaseontheInternet.Hesearcheditwithnosuccessbutwasattractedbythesite’’spersonalsearchagent.It’’saninteractivefeaturethatletsvisitorskeyinjobcriteriasuchaslocationtitleandsalarythenE-mailsthemwhenamatchingpositionispostedinthedatabase.RedmonchosethekeywordslegalintellectualpropertyandWashingtonD.C.Threeweekslaterhegothisfirstnotificationofanopening.IstruckgoldsaysRedmonwhoE-mailedhisresumetotheemployerandwonapositionasin-housecounselforacompany. Withthousandsofcareer-relatedsitesontheInternetfindingpromisingopeningscanbetime-consumingandinefficient.Searchagentsreducetheneedforrepeatedvisitstothedatabases.ButalthoughasearchagentworkedforRedmoncareerexpertsseedrawbacks.Narrowingyourcriteriaforexamplemayworkagainstyou:Everytimeyouansweraquestionyoueliminateapossibilitysaysoneexpert. Foranyjobsearchyoushouldstartwithanarrowconceptwhatyouthinkyouwanttodo--thenbroadenit.Noneoftheseprogramsdothatsaysanotherexpert.There’’snocareercounselingimplicitinallofthis.Insteadthebeststrategyistousetheagentasakindoftipservicetokeepabreastofjobsinaparticulardatabase;whenyougetE-mailconsideritaremindertocheckthedatabaseagain.Iwouldnotrelyonagentsforfindingeverythingthatisaddedtoadatabasethatmightinterestmesaystheauthorofajob-searchingguide. Somesitesdesigntheiragentstotemptjobhunterstoreturn.WhenCareerSite’’sagentsendsoutmessagestothosewhohavesignedupforitsserviceforexampleitincludesonlythreepotentialjobs--thoseitconsidersthebestmatches.Theremaybemorematchesinthedatabase;jobhunterswillhavetovisitthesiteagaintofindthem--andtheydo.OnthedayafterwesendourmessagesweseeasharpincreaseinourtrafficsaysSethPeetsvicepresidentofmarketingforCareerSite. Eventhosewhoaren’’thuntingforjobsmayfindsearchagentsworthwhile.Someusethemtokeepaclosewatchonthedemandfortheirlineofworkorgatherinformationoncompensationtoannthemselveswhennegotiatingforaraise.AlthoughhappilyemployedRedmonmaintainshisagentatCareerBuilder.Youalwayskeepyoureyesopenhesays.Workingwithapersonalsearchagentmeanshavinganothersetofeyeslookingoutforyou. HowdidRedmonfindhisjob
Inacompetitiveeconomytheconsumerusuallyhasthechoiceofseveraldifferentbrandsofthesameproduct.Yetunderneaththeirlabelstheseproductsareoftennearlyidentical.Onemanufacturer’’stoothpastetendstodifferverylittlefromanothermanufacturer’’s.Twodifferentbrandsofshampoomayvaryonlyinscentorcolor.Andthetobaccointwodifferentbrandsofcigarettesfrequentlycomesfromthesamefields.Thisclosesimilaritymeansthatashopperoftenhaslittlereasontochooseonebrandoveranother.Thusmanufacturersareconfrontedwithaproblem--howtokeepsaleshighenoughtostayinbusiness.Manufacturerssolvethisproblembyadvertising.Throughadvertisingeachmanufacturingcompanytriestoconvinceconsumersthatitsproductisspecial.Todothisthecompaniestrytoappealtoconsumersinvariousways.Infactadvertisementsmaybeclassifiedintothreetypesaccordingtothekindofappealstheyuse. Onetypeofadvertisementtriestoappealtotheconsumer’’sreasoningmind.Itmayofferaclaimthatseemsscientific.ForexampleitmaysaythatdentistsrecommendFlashtoothpasteoritmaydeclarethatWoofdogfoodcontainsaspecialvitamin-richingredientknownasK-9oritmayreportthatlaboratorytestsshowthatR.I.P.cigarettescontainfewerharmfulingredientsthanotherbrands.Insellingaproductthetruthofadvertisingmaybelessimportantthantheappearanceoftruth.Ascientificapproachgivestheappearanceoftruth. Anothertypeofadvertisementtriestoamusethepotentialbuyer.Productsthatareessentiallyboringsuchascleaningpowderorinsecticideareoftenadvertisedinanamusingmanner.Onewayofdoingthisistomaketheproductsappearalive.Theadvertisermaydrawlittlecartooneyesarmsandlegsonthecansofcleaningpowderandhavetheresultingfiguresscrubthesink.Adsofthissortaresillybutadvertisersbelievethatconsumersarelikelytorememberandbuytheproductsthattheconsumersassociatewithfun. Associatingtheproductwithsomethingpleasantisthetechniqueofthethirdtypeofappeal.Inthisclassareadsthatsuggestthattheproductwillsatisfysomebasichumandesires.Onesuchdesireisthewishtobeadmiredbyotherpeople.Manyautomobileadvertisementsareinthiscategory.Theyimplythatotherpeoplewilladmireyou--mayevenbejealous--whentheyseeyoudrivingthehotnewAardvarkcar.Thiskindofappealissometimesstrengthenedbyhiringafamouspersontoendorsetheproduct.Seeingthefamouspersontheconsumerissupposedtoreasonthus:EveryoneadmiresJudsonSmiththegreatfootballstar.JudsonSmithusedBuckworthyBanktraveler’’schecks.ThereforeifIuseBuckworthyBanktraveler’’scheckseveryonewilladmiremetoo.Someotherbasicdesiresthatadscommonlytrytoappealtoarethedesiresforsocialacceptancefinancialsecurityandsoon. OneonlyneedstolookthroughamagazineorwatchanhourofTVinordertoseeexamplesofthesethreedifferentadvertisingstrategies. Thescientificapproachofadvertisingappealis
Alargeproportionofthestudiesofbehaviorusedanimalsassubjectsespeciallypigeonsratsandrabbits.Thereareanumberofreasonswhyresearchersinthisfieldfrequentlychoosetoconducttheirexperimentswithnonhumansubjects.Firstofallthepossibilityofaplaceboeffectisminimizedwithanimalsubjects.46Whereasahumansubject’’sbehaviormaybedrasticallyalteredbytheknowledgethatheorsheisbeingobservedthisisunlikelywithanimalsubjectsbecausemoststudieswithanimalsubjectsareconductedinsuchawaythattheanimaldoesnotknowitsbehaviorisbeingmonitoredandrecorded.Furthermoreitisunlikelythatananimalsubjectwillbemotivatedeithertopleaseordispleasetheexperimenteramotivethatcanruinastudywithhumansubjects.Asecondreasonforusinganimalsubjectsisconvenience.Thespeciesmostcommonlyusedassubjectsareeasyandinexpensivetocareforandanimalsofaspecificageandsexcanbeobtainedinanyquantitiestheexperimenterneeds.47Onceanimalsubjectsareobtainedtheirparticipationisasregularastheexperimenter’’s--animalsubjectsneverfailtoshowupfortheirappointmentswhichisunfortunatelynotthecasewithhumansubjects. 48Probablythebiggestadvantageofdomesticatedanimalsubjectsisthattheirenvironmentcanbecontrolledtoamuchgreaterextentthanispossiblewitheitherwildanimalsorhumansubjects.Thisisespeciallyimportantinexperimentsonlearningwherepreviousexperiencecanhavealargeeffectonasubject’’sperformanceinanewlearningsituation.Likewiseifahumansubjecttriestosolvesomemysteryaspartofalearningexperimenttheexperimentercannotbesurehowmanysimilarproblemsthesubjecthasencounteredinhislifetime.49Whenanimalsarebredandraisedinthelaboratoryhowevertheirenvironmentscanbeconstructedtomakesurethattheyhavenocontactwithobjectsoreventssimilartothosetheywillencounterintheexperiment. Afinalreasonforusinganimalsubjectsisthatofcomparativesimplicity.50JustasachildtryingtolearnelectricityisbetteroffstartingwithaflashlightthanaradioresearchersmayhaveabetterchanceofdiscoveringthebasicprinciplesoflearningbyexaminingcreaturesthatarelessintelligentandlesscomplexthanhumanbeingsTheassumptionhereisthatalthoughhumanbeingsdifferfromotheranimalsinsomerespectstheyarealsosimilarinsomerespectsanditisthesecommonalitiesthatcanbeinvestigatedwithanimalsubjects.
Alargeproportionofthestudiesofbehaviorusedanimalsassubjectsespeciallypigeonsratsandrabbits.Thereareanumberofreasonswhyresearchersinthisfieldfrequentlychoosetoconducttheirexperimentswithnonhumansubjects.Firstofallthepossibilityofaplaceboeffectisminimizedwithanimalsubjects.46Whereasahumansubject’’sbehaviormaybedrasticallyalteredbytheknowledgethatheorsheisbeingobservedthisisunlikelywithanimalsubjectsbecausemoststudieswithanimalsubjectsareconductedinsuchawaythattheanimaldoesnotknowitsbehaviorisbeingmonitoredandrecorded.Furthermoreitisunlikelythatananimalsubjectwillbemotivatedeithertopleaseordispleasetheexperimenteramotivethatcanruinastudywithhumansubjects.Asecondreasonforusinganimalsubjectsisconvenience.Thespeciesmostcommonlyusedassubjectsareeasyandinexpensivetocareforandanimalsofaspecificageandsexcanbeobtainedinanyquantitiestheexperimenterneeds.47Onceanimalsubjectsareobtainedtheirparticipationisasregularastheexperimenter’’s--animalsubjectsneverfailtoshowupfortheirappointmentswhichisunfortunatelynotthecasewithhumansubjects. 48Probablythebiggestadvantageofdomesticatedanimalsubjectsisthattheirenvironmentcanbecontrolledtoamuchgreaterextentthanispossiblewitheitherwildanimalsorhumansubjects.Thisisespeciallyimportantinexperimentsonlearningwherepreviousexperiencecanhavealargeeffectonasubject’’sperformanceinanewlearningsituation.Likewiseifahumansubjecttriestosolvesomemysteryaspartofalearningexperimenttheexperimentercannotbesurehowmanysimilarproblemsthesubjecthasencounteredinhislifetime.49Whenanimalsarebredandraisedinthelaboratoryhowevertheirenvironmentscanbeconstructedtomakesurethattheyhavenocontactwithobjectsoreventssimilartothosetheywillencounterintheexperiment. Afinalreasonforusinganimalsubjectsisthatofcomparativesimplicity.50JustasachildtryingtolearnelectricityisbetteroffstartingwithaflashlightthanaradioresearchersmayhaveabetterchanceofdiscoveringthebasicprinciplesoflearningbyexaminingcreaturesthatarelessintelligentandlesscomplexthanhumanbeingsTheassumptionhereisthatalthoughhumanbeingsdifferfromotheranimalsinsomerespectstheyarealsosimilarinsomerespectsanditisthesecommonalitiesthatcanbeinvestigatedwithanimalsubjects. Alargeproportionofthestudiesofbehaviorusedanimalsassubjectsespeciallypigeonsratsandrabbits.Thereareanumberofreasonswhyresearchersinthisfieldfrequentlychoosetoconducttheirexperimentswithnonhumansubjects.Firstofallthepossibilityofaplaceboeffectisminimizedwithanimalsubjects.46Whereasahumansubject’’sbehaviormaybedrasticallyalteredbytheknowledgethatheorsheisbeingobservedthisisunlikelywithanimalsubjectsbecausemoststudieswithanimalsubjectsareconductedinsuchawaythattheanimaldoesnotknowitsbehaviorisbeingmonitoredandrecorded.Furthermoreitisunlikelythatananimalsubjectwillbemotivatedeithertopleaseordispleasetheexperimenteramotivethatcanruinastudywithhumansubjects.Asecondreasonforusinganimalsubjectsisconvenience.Thespeciesmostcommonlyusedassubjectsareeasyandinexpensivetocareforandanimalsofaspecificageandsexcanbeobtainedinanyquantitiestheexperimenterneeds.47Onceanimalsubjectsareobtainedtheirparticipationisasregularastheexperimenter’’s--animalsubjectsneverfailtoshowupfortheirappointmentswhichisunfortunatelynotthecasewithhumansubjects. 48Probablythebiggestadvantageofdomesticatedanimalsubjectsisthattheirenvironmentcanbecontrolledtoamuchgreaterextentthanispossiblewitheitherwildanimalsorhumansubjects.Thisisespeciallyimportantinexperimentsonlearningwherepreviousexperiencecanhavealargeeffectonasubject’’sperformanceinanewlearningsituation.Likewiseifahumansubjecttriestosolvesomemysteryaspartofalearningexperimenttheexperimentercannotbesurehowmanysimilarproblemsthesubjecthasencounteredinhislifetime.49Whenanimalsarebredandraisedinthelaboratoryhowevertheirenvironmentscanbeconstructedtomakesurethattheyhavenocontactwithobjectsoreventssimilartothosetheywillencounterintheexperiment. Afinalreasonforusinganimalsubjectsisthatofcomparativesimplicity.50JustasachildtryingtolearnelectricityisbetteroffstartingwithaflashlightthanaradioresearchersmayhaveabetterchanceofdiscoveringthebasicprinciplesoflearningbyexaminingcreaturesthatarelessintelligentandlesscomplexthanhumanbeingsTheassumptionhereisthatalthoughhumanbeingsdifferfromotheranimalsinsomerespectstheyarealsosimilarinsomerespectsanditisthesecommonalitiesthatcanbeinvestigatedwithanimalsubjects.
Newsreportsoftenfocusondisputesamongscientistsoverthevalidityofpreliminaryuntesteddatahypothesesandmodelswhichbydefinitionaretentative.Thisaspectofscience-1becauseithasnotbeenwidely2andaccepted-iscalledfrontierscience.Themedia3tofocusonfrontiersciencebecauseitsso-calledbreakthroughsmakegoodnewsstories.Justbecausesomethingisinthe4offrontierscience5doesnotmeanthatitisn’’tworthyofseriousconsideration;6suchmattersneedfurtherstudytodeterminetheir7. 8contrastconsensusscienceconsistsofdatamodelstheoriesandlawsthatarewidelyaccepted.Thisaspectofscienceisveryreliablebutis9considerednewsworthy.Thetroubleisthatthewordscienceisusedto10bothfrontierandconsensussciencewithout11Themediapreference12frontiersciencegivesthepublicthe13impressionthatfrontierscience14verycertainconclusionswhichmayormaynotbecorrect. However15somefrontierscienceislatershowntobeunreliablemembersofthepublicoftenfalsely16thatconsensusscienceisalsoquiteuncertain.Weneedtotakebothfrontierandconsensusscience17butrecognizetheirdifferences.Onewaytofindoutwhatscientistsgenerallyagree18istoseekoutreportsbyscientificbodiesthatattemptto19consensusin20areasofscienceandtechnology.
Science-fictionmoviescanserveasmythsaboutthefutureandthusgivesomeassuranceaboutit.Whetherthefilmis2001orStarWarssuchmoviestellaboutprogressthatwillexpandman’’spowersandhisexperiencesbeyondanythingnowbelievedpossiblewhiletheyassureusthatalltheseadvanceswillnotwipeoutmanorlifeaswenowknowit.Thusonegreatanxietyaboutthefuture--thatitwillhavenoplaceforusaswenoware--isalleviatedbysuchmyths.Theyalsopromisethateveninthemostdistantfutureanddespitetheprogressthatwillhaveoccurredinthematerialworldman’’sbasicconcernswillbethesameandthestruggleofgoodagainstevil--thecentralmoralproblemofourtime--willnothavelostitsimportance. Pastandfuturearethelastingdimensionsofourlives:thepresentisbutabriefmoment.Sothesevisionsaboutthefuturealsocontainourpast;inStarWarsbattlesarefoughtaroundissuesthatalsomotivatedmaninthepast.Thusanyvisionaboutthefutureisreallybasedonvisionsofthepastbecausethatisallwecanknowforcertain. AsourreligiousmythsaboutthefutureneverwentbeyondJudgmentDaysoourmodernmythsaboutthefuturecannotgobeyondthesearchforlife’’sdeepermeaning.Thereasonisthatonlyaslongasthechoicebetweengoodandevilremainsman’’ssuprememoralproblemdoesliferetainthatspecialdignitythatderivesfromourabilitytochoosebetweenthetwo.Aworldinwhichthisconflicthasbeenpermanentlyresolvedeliminatesmanasweknowhim.Itmightbeauniversepeopledbyangelsbutithasnoplaceforman. Themovingpictureisavisualartbasedonsight.Speakingtoourvisionitoughttoprovideuswiththevisionsenablingustolivethegoodlife;itoughttogiveusinsightintoourselves.AboutahundredyearsagoTolstoywroteArtisahumanactivityhavingforitspurposethetransmissiontoothersofthehighestandbestfeelingstowhichmenhaverisen.LaterRobertFrostdefinedpoetryasbeginningindelightandendinginwisdom.Thusitmightbesaidthatthestateoftheartofthemovingimagecanbeassessedbythedegreetowhichitmeetsthemythopoetictaskofgivingusmythssuitabletolivebyinourtime--visionsthattransmittousthehighestandbestfeelingstowhichmenhaverisen--andbyhowwellthemovingimagesgiveusthatdelightwhichleadstowisdom.LetushopethattheartofthemovingimagethismostgenuineAmericanartwillsoonmeetthechallengeofbecomingtrulythegreatartofourage. Thethemeofmodernmythscouldbedrasticallychanged
TheSupremeCourt’’sdecisionsonphysician-assistedsuicidecarryimportantimplicationsforhowmedicineseekstorelievedyingpatientsofpainandsuffering. Althoughitruledthatthereisnoconstitutionalrighttophysician-assistedsuicidetheCourtineffectsupportedthemedicalprincipleofdoubleeffectacenturies-oldmoralprincipleholdingthatanactionhavingtwoeffects―agoodonethatisintendedandaharmfulonethatisforeseen―ispermissibleiftheactorintendsonlythegoodeffect. Doctorshaveusedthatprincipleinrecentyearstojustifyusinghighdosesofmorphinetocontrolterminallyiiipatients’’paineventhoughincreasingdosageswilleventuallykillthepatient. NancyDublerdirectorofMontefioreMedicalCentercontendsthattheprinciplewillshielddoctorswhountilnowhaveveryverystronglyinsistedthattheycouldnotgivepatientssufficientmedicationtocontroltheirpainifthatmighthastendeath. GeorgeAnnaschairofthehealthlawdepartmentatBostonUniversitymaintainsthataslongasadoctorprescribesadrugforalegitimatemedicalpurposethedoctorhasdonenothingillegalevenifthepatientusesthedrugtohastendeath.It’’slikesurgeryhesays.Wedon’’tcallthosedeathshomicidesbecausethedoctorsdidn’’tintendtokilltheirpatientsalthoughtheyriskedtheirdeath.Ifyou’’reaphysicianyoucanriskyourpatients’’suicideaslongasyoudon’’tintendtheirsuicide. Onanotherlevelmanyinthemedicalcommunityacknowledgethattheassisted-suicidedebatehasbeenfueledinpartbythedespairofpatientsforwhommodernmedicinehasprolongedthephysicalagonyofdying. JustthreeweeksbeforetheCourt’’srulingonphysician-assistedsuicidetheNationalAcademyofScienceNASreleasedatwo-volumereportApproachingDeath:ImprovingCareattheEndofLife.Itidentifiestheundertreatmentofpainandtheaggressiveuseofineffectualandforcedmedicalproceduresthatmayprolongandevendishonortheperiodofdyingasthetwinproblemsofend-of-lifecare. TheprofessionistakingstepstorequireyoungdoctorstotraininhospicestotestknowledgeofaggressivepainmanagementtherapiestodevelopaMedicarebillingcodeforhospital-basedcareandtodevelopnewstandardsforassessingandtreatingpainattheendoflife. Annassayslawyerscanplayakeyroleininsistingthatthesewell-meaningmedicalinitiativestranslateintobettercare.Largenumbersofphysiciansseemunconcernedwiththepaintheirpatientsareneedlesslyandpredictablysufferingtotheextentthatitconstitutessystematicpatientabuse.Hesaysmedicallicensingboardsmustmakeitclear..thatpainfuldeathsarepresumptivelyonesthatareincompetentlymanagedandshouldresultinlicensesuspension. Whichofthefollowingstatementsistrueaccordingtothetext
Alargeproportionofthestudiesofbehaviorusedanimalsassubjectsespeciallypigeonsratsandrabbits.Thereareanumberofreasonswhyresearchersinthisfieldfrequentlychoosetoconducttheirexperimentswithnonhumansubjects.Firstofallthepossibilityofaplaceboeffectisminimizedwithanimalsubjects.46Whereasahumansubject’’sbehaviormaybedrasticallyalteredbytheknowledgethatheorsheisbeingobservedthisisunlikelywithanimalsubjectsbecausemoststudieswithanimalsubjectsareconductedinsuchawaythattheanimaldoesnotknowitsbehaviorisbeingmonitoredandrecorded.Furthermoreitisunlikelythatananimalsubjectwillbemotivatedeithertopleaseordispleasetheexperimenteramotivethatcanruinastudywithhumansubjects.Asecondreasonforusinganimalsubjectsisconvenience.Thespeciesmostcommonlyusedassubjectsareeasyandinexpensivetocareforandanimalsofaspecificageandsexcanbeobtainedinanyquantitiestheexperimenterneeds.47Onceanimalsubjectsareobtainedtheirparticipationisasregularastheexperimenter’’s--animalsubjectsneverfailtoshowupfortheirappointmentswhichisunfortunatelynotthecasewithhumansubjects. 48Probablythebiggestadvantageofdomesticatedanimalsubjectsisthattheirenvironmentcanbecontrolledtoamuchgreaterextentthanispossiblewitheitherwildanimalsorhumansubjects.Thisisespeciallyimportantinexperimentsonlearningwherepreviousexperiencecanhavealargeeffectonasubject’’sperformanceinanewlearningsituation.Likewiseifahumansubjecttriestosolvesomemysteryaspartofalearningexperimenttheexperimentercannotbesurehowmanysimilarproblemsthesubjecthasencounteredinhislifetime.49Whenanimalsarebredandraisedinthelaboratoryhowevertheirenvironmentscanbeconstructedtomakesurethattheyhavenocontactwithobjectsoreventssimilartothosetheywillencounterintheexperiment. Afinalreasonforusinganimalsubjectsisthatofcomparativesimplicity.50JustasachildtryingtolearnelectricityisbetteroffstartingwithaflashlightthanaradioresearchersmayhaveabetterchanceofdiscoveringthebasicprinciplesoflearningbyexaminingcreaturesthatarelessintelligentandlesscomplexthanhumanbeingsTheassumptionhereisthatalthoughhumanbeingsdifferfromotheranimalsinsomerespectstheyarealsosimilarinsomerespectsanditisthesecommonalitiesthatcanbeinvestigatedwithanimalsubjects.
Newsreportsoftenfocusondisputesamongscientistsoverthevalidityofpreliminaryuntesteddatahypothesesandmodelswhichbydefinitionaretentative.Thisaspectofscience-1becauseithasnotbeenwidely2andaccepted-iscalledfrontierscience.Themedia3tofocusonfrontiersciencebecauseitsso-calledbreakthroughsmakegoodnewsstories.Justbecausesomethingisinthe4offrontierscience5doesnotmeanthatitisn’’tworthyofseriousconsideration;6suchmattersneedfurtherstudytodeterminetheir7. 8contrastconsensusscienceconsistsofdatamodelstheoriesandlawsthatarewidelyaccepted.Thisaspectofscienceisveryreliablebutis9considerednewsworthy.Thetroubleisthatthewordscienceisusedto10bothfrontierandconsensussciencewithout11Themediapreference12frontiersciencegivesthepublicthe13impressionthatfrontierscience14verycertainconclusionswhichmayormaynotbecorrect. However15somefrontierscienceislatershowntobeunreliablemembersofthepublicoftenfalsely16thatconsensusscienceisalsoquiteuncertain.Weneedtotakebothfrontierandconsensusscience17butrecognizetheirdifferences.Onewaytofindoutwhatscientistsgenerallyagree18istoseekoutreportsbyscientificbodiesthatattemptto19consensusin20areasofscienceandtechnology.
Science-fictionmoviescanserveasmythsaboutthefutureandthusgivesomeassuranceaboutit.Whetherthefilmis2001orStarWarssuchmoviestellaboutprogressthatwillexpandman’’spowersandhisexperiencesbeyondanythingnowbelievedpossiblewhiletheyassureusthatalltheseadvanceswillnotwipeoutmanorlifeaswenowknowit.Thusonegreatanxietyaboutthefuture--thatitwillhavenoplaceforusaswenoware--isalleviatedbysuchmyths.Theyalsopromisethateveninthemostdistantfutureanddespitetheprogressthatwillhaveoccurredinthematerialworldman’’sbasicconcernswillbethesameandthestruggleofgoodagainstevil--thecentralmoralproblemofourtime--willnothavelostitsimportance. Pastandfuturearethelastingdimensionsofourlives:thepresentisbutabriefmoment.Sothesevisionsaboutthefuturealsocontainourpast;inStarWarsbattlesarefoughtaroundissuesthatalsomotivatedmaninthepast.Thusanyvisionaboutthefutureisreallybasedonvisionsofthepastbecausethatisallwecanknowforcertain. AsourreligiousmythsaboutthefutureneverwentbeyondJudgmentDaysoourmodernmythsaboutthefuturecannotgobeyondthesearchforlife’’sdeepermeaning.Thereasonisthatonlyaslongasthechoicebetweengoodandevilremainsman’’ssuprememoralproblemdoesliferetainthatspecialdignitythatderivesfromourabilitytochoosebetweenthetwo.Aworldinwhichthisconflicthasbeenpermanentlyresolvedeliminatesmanasweknowhim.Itmightbeauniversepeopledbyangelsbutithasnoplaceforman. Themovingpictureisavisualartbasedonsight.Speakingtoourvisionitoughttoprovideuswiththevisionsenablingustolivethegoodlife;itoughttogiveusinsightintoourselves.AboutahundredyearsagoTolstoywroteArtisahumanactivityhavingforitspurposethetransmissiontoothersofthehighestandbestfeelingstowhichmenhaverisen.LaterRobertFrostdefinedpoetryasbeginningindelightandendinginwisdom.Thusitmightbesaidthatthestateoftheartofthemovingimagecanbeassessedbythedegreetowhichitmeetsthemythopoetictaskofgivingusmythssuitabletolivebyinourtime--visionsthattransmittousthehighestandbestfeelingstowhichmenhaverisen--andbyhowwellthemovingimagesgiveusthatdelightwhichleadstowisdom.LetushopethattheartofthemovingimagethismostgenuineAmericanartwillsoonmeetthechallengeofbecomingtrulythegreatartofourage. ThequotesfromTolstoyareusedto
Newsreportsoftenfocusondisputesamongscientistsoverthevalidityofpreliminaryuntesteddatahypothesesandmodelswhichbydefinitionaretentative.Thisaspectofscience-1becauseithasnotbeenwidely2andaccepted-iscalledfrontierscience.Themedia3tofocusonfrontiersciencebecauseitsso-calledbreakthroughsmakegoodnewsstories.Justbecausesomethingisinthe4offrontierscience5doesnotmeanthatitisn’’tworthyofseriousconsideration;6suchmattersneedfurtherstudytodeterminetheir7. 8contrastconsensusscienceconsistsofdatamodelstheoriesandlawsthatarewidelyaccepted.Thisaspectofscienceisveryreliablebutis9considerednewsworthy.Thetroubleisthatthewordscienceisusedto10bothfrontierandconsensussciencewithout11Themediapreference12frontiersciencegivesthepublicthe13impressionthatfrontierscience14verycertainconclusionswhichmayormaynotbecorrect. However15somefrontierscienceislatershowntobeunreliablemembersofthepublicoftenfalsely16thatconsensusscienceisalsoquiteuncertain.Weneedtotakebothfrontierandconsensusscience17butrecognizetheirdifferences.Onewaytofindoutwhatscientistsgenerallyagree18istoseekoutreportsbyscientificbodiesthatattemptto19consensusin20areasofscienceandtechnology.
Newsreportsoftenfocusondisputesamongscientistsoverthevalidityofpreliminaryuntesteddatahypothesesandmodelswhichbydefinitionaretentative.Thisaspectofscience-1becauseithasnotbeenwidely2andaccepted-iscalledfrontierscience.Themedia3tofocusonfrontiersciencebecauseitsso-calledbreakthroughsmakegoodnewsstories.Justbecausesomethingisinthe4offrontierscience5doesnotmeanthatitisn’’tworthyofseriousconsideration;6suchmattersneedfurtherstudytodeterminetheir7. 8contrastconsensusscienceconsistsofdatamodelstheoriesandlawsthatarewidelyaccepted.Thisaspectofscienceisveryreliablebutis9considerednewsworthy.Thetroubleisthatthewordscienceisusedto10bothfrontierandconsensussciencewithout11Themediapreference12frontiersciencegivesthepublicthe13impressionthatfrontierscience14verycertainconclusionswhichmayormaynotbecorrect. However15somefrontierscienceislatershowntobeunreliablemembersofthepublicoftenfalsely16thatconsensusscienceisalsoquiteuncertain.Weneedtotakebothfrontierandconsensusscience17butrecognizetheirdifferences.Onewaytofindoutwhatscientistsgenerallyagree18istoseekoutreportsbyscientificbodiesthatattemptto19consensusin20areasofscienceandtechnology.
Newsreportsoftenfocusondisputesamongscientistsoverthevalidityofpreliminaryuntesteddatahypothesesandmodelswhichbydefinitionaretentative.Thisaspectofscience-1becauseithasnotbeenwidely2andaccepted-iscalledfrontierscience.Themedia3tofocusonfrontiersciencebecauseitsso-calledbreakthroughsmakegoodnewsstories.Justbecausesomethingisinthe4offrontierscience5doesnotmeanthatitisn’’tworthyofseriousconsideration;6suchmattersneedfurtherstudytodeterminetheir7. 8contrastconsensusscienceconsistsofdatamodelstheoriesandlawsthatarewidelyaccepted.Thisaspectofscienceisveryreliablebutis9considerednewsworthy.Thetroubleisthatthewordscienceisusedto10bothfrontierandconsensussciencewithout11Themediapreference12frontiersciencegivesthepublicthe13impressionthatfrontierscience14verycertainconclusionswhichmayormaynotbecorrect. However15somefrontierscienceislatershowntobeunreliablemembersofthepublicoftenfalsely16thatconsensusscienceisalsoquiteuncertain.Weneedtotakebothfrontierandconsensusscience17butrecognizetheirdifferences.Onewaytofindoutwhatscientistsgenerallyagree18istoseekoutreportsbyscientificbodiesthatattemptto19consensusin20areasofscienceandtechnology.
HuntingforajoblatelastyearlawyerGantRedmonstumbledacrossCareerBuilderajobdatabaseontheInternet.Hesearcheditwithnosuccessbutwasattractedbythesite’’spersonalsearchagent.It’’saninteractivefeaturethatletsvisitorskeyinjobcriteriasuchaslocationtitleandsalarythenE-mailsthemwhenamatchingpositionispostedinthedatabase.RedmonchosethekeywordslegalintellectualpropertyandWashingtonD.C.Threeweekslaterhegothisfirstnotificationofanopening.IstruckgoldsaysRedmonwhoE-mailedhisresumetotheemployerandwonapositionasin-housecounselforacompany. Withthousandsofcareer-relatedsitesontheInternetfindingpromisingopeningscanbetime-consumingandinefficient.Searchagentsreducetheneedforrepeatedvisitstothedatabases.ButalthoughasearchagentworkedforRedmoncareerexpertsseedrawbacks.Narrowingyourcriteriaforexamplemayworkagainstyou:Everytimeyouansweraquestionyoueliminateapossibilitysaysoneexpert. Foranyjobsearchyoushouldstartwithanarrowconceptwhatyouthinkyouwanttodo--thenbroadenit.Noneoftheseprogramsdothatsaysanotherexpert.There’’snocareercounselingimplicitinallofthis.Insteadthebeststrategyistousetheagentasakindoftipservicetokeepabreastofjobsinaparticulardatabase;whenyougetE-mailconsideritaremindertocheckthedatabaseagain.Iwouldnotrelyonagentsforfindingeverythingthatisaddedtoadatabasethatmightinterestmesaystheauthorofajob-searchingguide. Somesitesdesigntheiragentstotemptjobhunterstoreturn.WhenCareerSite’’sagentsendsoutmessagestothosewhohavesignedupforitsserviceforexampleitincludesonlythreepotentialjobs--thoseitconsidersthebestmatches.Theremaybemorematchesinthedatabase;jobhunterswillhavetovisitthesiteagaintofindthem--andtheydo.OnthedayafterwesendourmessagesweseeasharpincreaseinourtrafficsaysSethPeetsvicepresidentofmarketingforCareerSite. Eventhosewhoaren’’thuntingforjobsmayfindsearchagentsworthwhile.Someusethemtokeepaclosewatchonthedemandfortheirlineofworkorgatherinformationoncompensationtoannthemselveswhennegotiatingforaraise.AlthoughhappilyemployedRedmonmaintainshisagentatCareerBuilder.Youalwayskeepyoureyesopenhesays.Workingwithapersonalsearchagentmeanshavinganothersetofeyeslookingoutforyou. Whichofthefollowingistrueaccordingtothetext
Newsreportsoftenfocusondisputesamongscientistsoverthevalidityofpreliminaryuntesteddatahypothesesandmodelswhichbydefinitionaretentative.Thisaspectofscience-1becauseithasnotbeenwidely2andaccepted-iscalledfrontierscience.Themedia3tofocusonfrontiersciencebecauseitsso-calledbreakthroughsmakegoodnewsstories.Justbecausesomethingisinthe4offrontierscience5doesnotmeanthatitisn’’tworthyofseriousconsideration;6suchmattersneedfurtherstudytodeterminetheir7. 8contrastconsensusscienceconsistsofdatamodelstheoriesandlawsthatarewidelyaccepted.Thisaspectofscienceisveryreliablebutis9considerednewsworthy.Thetroubleisthatthewordscienceisusedto10bothfrontierandconsensussciencewithout11Themediapreference12frontiersciencegivesthepublicthe13impressionthatfrontierscience14verycertainconclusionswhichmayormaynotbecorrect. However15somefrontierscienceislatershowntobeunreliablemembersofthepublicoftenfalsely16thatconsensusscienceisalsoquiteuncertain.Weneedtotakebothfrontierandconsensusscience17butrecognizetheirdifferences.Onewaytofindoutwhatscientistsgenerallyagree18istoseekoutreportsbyscientificbodiesthatattemptto19consensusin20areasofscienceandtechnology.
TheSupremeCourt’’sdecisionsonphysician-assistedsuicidecarryimportantimplicationsforhowmedicineseekstorelievedyingpatientsofpainandsuffering. Althoughitruledthatthereisnoconstitutionalrighttophysician-assistedsuicidetheCourtineffectsupportedthemedicalprincipleofdoubleeffectacenturies-oldmoralprincipleholdingthatanactionhavingtwoeffects―agoodonethatisintendedandaharmfulonethatisforeseen―ispermissibleiftheactorintendsonlythegoodeffect. Doctorshaveusedthatprincipleinrecentyearstojustifyusinghighdosesofmorphinetocontrolterminallyiiipatients’’paineventhoughincreasingdosageswilleventuallykillthepatient. NancyDublerdirectorofMontefioreMedicalCentercontendsthattheprinciplewillshielddoctorswhountilnowhaveveryverystronglyinsistedthattheycouldnotgivepatientssufficientmedicationtocontroltheirpainifthatmighthastendeath. GeorgeAnnaschairofthehealthlawdepartmentatBostonUniversitymaintainsthataslongasadoctorprescribesadrugforalegitimatemedicalpurposethedoctorhasdonenothingillegalevenifthepatientusesthedrugtohastendeath.It’’slikesurgeryhesays.Wedon’’tcallthosedeathshomicidesbecausethedoctorsdidn’’tintendtokilltheirpatientsalthoughtheyriskedtheirdeath.Ifyou’’reaphysicianyoucanriskyourpatients’’suicideaslongasyoudon’’tintendtheirsuicide. Onanotherlevelmanyinthemedicalcommunityacknowledgethattheassisted-suicidedebatehasbeenfueledinpartbythedespairofpatientsforwhommodernmedicinehasprolongedthephysicalagonyofdying. JustthreeweeksbeforetheCourt’’srulingonphysician-assistedsuicidetheNationalAcademyofScienceNASreleasedatwo-volumereportApproachingDeath:ImprovingCareattheEndofLife.Itidentifiestheundertreatmentofpainandtheaggressiveuseofineffectualandforcedmedicalproceduresthatmayprolongandevendishonortheperiodofdyingasthetwinproblemsofend-of-lifecare. TheprofessionistakingstepstorequireyoungdoctorstotraininhospicestotestknowledgeofaggressivepainmanagementtherapiestodevelopaMedicarebillingcodeforhospital-basedcareandtodevelopnewstandardsforassessingandtreatingpainattheendoflife. Annassayslawyerscanplayakeyroleininsistingthatthesewell-meaningmedicalinitiativestranslateintobettercare.Largenumbersofphysiciansseemunconcernedwiththepaintheirpatientsareneedlesslyandpredictablysufferingtotheextentthatitconstitutessystematicpatientabuse.Hesaysmedicallicensingboardsmustmakeitclear..thatpainfuldeathsarepresumptivelyonesthatareincompetentlymanagedandshouldresultinlicensesuspension. Whichofthefollowingbestdefinesthewordaggressiveline3paragraph7
Newsreportsoftenfocusondisputesamongscientistsoverthevalidityofpreliminaryuntesteddatahypothesesandmodelswhichbydefinitionaretentative.Thisaspectofscience-1becauseithasnotbeenwidely2andaccepted-iscalledfrontierscience.Themedia3tofocusonfrontiersciencebecauseitsso-calledbreakthroughsmakegoodnewsstories.Justbecausesomethingisinthe4offrontierscience5doesnotmeanthatitisn’’tworthyofseriousconsideration;6suchmattersneedfurtherstudytodeterminetheir7. 8contrastconsensusscienceconsistsofdatamodelstheoriesandlawsthatarewidelyaccepted.Thisaspectofscienceisveryreliablebutis9considerednewsworthy.Thetroubleisthatthewordscienceisusedto10bothfrontierandconsensussciencewithout11Themediapreference12frontiersciencegivesthepublicthe13impressionthatfrontierscience14verycertainconclusionswhichmayormaynotbecorrect. However15somefrontierscienceislatershowntobeunreliablemembersofthepublicoftenfalsely16thatconsensusscienceisalsoquiteuncertain.Weneedtotakebothfrontierandconsensusscience17butrecognizetheirdifferences.Onewaytofindoutwhatscientistsgenerallyagree18istoseekoutreportsbyscientificbodiesthatattemptto19consensusin20areasofscienceandtechnology. Newsreportsoftenfocusondisputesamongscientistsoverthevalidityofpreliminaryuntesteddatahypothesesandmodelswhichbydefinitionaretentative.Thisaspectofscience-1becauseithasnotbeenwidely2andaccepted-iscalledfrontierscience.Themedia3tofocusonfrontiersciencebecauseitsso-calledbreakthroughsmakegoodnewsstories.Justbecausesomethingisinthe4offrontierscience5doesnotmeanthatitisn’’tworthyofseriousconsideration;6suchmattersneedfurtherstudytodeterminetheir7. 8contrastconsensusscienceconsistsofdatamodelstheoriesandlawsthatarewidelyaccepted.Thisaspectofscienceisveryreliablebutis9considerednewsworthy.Thetroubleisthatthewordscienceisusedto10bothfrontierandconsensussciencewithout11Themediapreference12frontiersciencegivesthepublicthe13impressionthatfrontierscience14verycertainconclusionswhichmayormaynotbecorrect. However15somefrontierscienceislatershowntobeunreliablemembersofthepublicoftenfalsely16thatconsensusscienceisalsoquiteuncertain.Weneedtotakebothfrontierandconsensusscience17butrecognizetheirdifferences.Onewaytofindoutwhatscientistsgenerallyagree18istoseekoutreportsbyscientificbodiesthatattemptto19consensusin20areasofscienceandtechnology.
Newsreportsoftenfocusondisputesamongscientistsoverthevalidityofpreliminaryuntesteddatahypothesesandmodelswhichbydefinitionaretentative.Thisaspectofscience-1becauseithasnotbeenwidely2andaccepted-iscalledfrontierscience.Themedia3tofocusonfrontiersciencebecauseitsso-calledbreakthroughsmakegoodnewsstories.Justbecausesomethingisinthe4offrontierscience5doesnotmeanthatitisn’’tworthyofseriousconsideration;6suchmattersneedfurtherstudytodeterminetheir7. 8contrastconsensusscienceconsistsofdatamodelstheoriesandlawsthatarewidelyaccepted.Thisaspectofscienceisveryreliablebutis9considerednewsworthy.Thetroubleisthatthewordscienceisusedto10bothfrontierandconsensussciencewithout11Themediapreference12frontiersciencegivesthepublicthe13impressionthatfrontierscience14verycertainconclusionswhichmayormaynotbecorrect. However15somefrontierscienceislatershowntobeunreliablemembersofthepublicoftenfalsely16thatconsensusscienceisalsoquiteuncertain.Weneedtotakebothfrontierandconsensusscience17butrecognizetheirdifferences.Onewaytofindoutwhatscientistsgenerallyagree18istoseekoutreportsbyscientificbodiesthatattemptto19consensusin20areasofscienceandtechnology.
Newsreportsoftenfocusondisputesamongscientistsoverthevalidityofpreliminaryuntesteddatahypothesesandmodelswhichbydefinitionaretentative.Thisaspectofscience-1becauseithasnotbeenwidely2andaccepted-iscalledfrontierscience.Themedia3tofocusonfrontiersciencebecauseitsso-calledbreakthroughsmakegoodnewsstories.Justbecausesomethingisinthe4offrontierscience5doesnotmeanthatitisn’’tworthyofseriousconsideration;6suchmattersneedfurtherstudytodeterminetheir7. 8contrastconsensusscienceconsistsofdatamodelstheoriesandlawsthatarewidelyaccepted.Thisaspectofscienceisveryreliablebutis9considerednewsworthy.Thetroubleisthatthewordscienceisusedto10bothfrontierandconsensussciencewithout11Themediapreference12frontiersciencegivesthepublicthe13impressionthatfrontierscience14verycertainconclusionswhichmayormaynotbecorrect. However15somefrontierscienceislatershowntobeunreliablemembersofthepublicoftenfalsely16thatconsensusscienceisalsoquiteuncertain.Weneedtotakebothfrontierandconsensusscience17butrecognizetheirdifferences.Onewaytofindoutwhatscientistsgenerallyagree18istoseekoutreportsbyscientificbodiesthatattemptto19consensusin20areasofscienceandtechnology.
Science-fictionmoviescanserveasmythsaboutthefutureandthusgivesomeassuranceaboutit.Whetherthefilmis2001orStarWarssuchmoviestellaboutprogressthatwillexpandman’’spowersandhisexperiencesbeyondanythingnowbelievedpossiblewhiletheyassureusthatalltheseadvanceswillnotwipeoutmanorlifeaswenowknowit.Thusonegreatanxietyaboutthefuture--thatitwillhavenoplaceforusaswenoware--isalleviatedbysuchmyths.Theyalsopromisethateveninthemostdistantfutureanddespitetheprogressthatwillhaveoccurredinthematerialworldman’’sbasicconcernswillbethesameandthestruggleofgoodagainstevil--thecentralmoralproblemofourtime--willnothavelostitsimportance. Pastandfuturearethelastingdimensionsofourlives:thepresentisbutabriefmoment.Sothesevisionsaboutthefuturealsocontainourpast;inStarWarsbattlesarefoughtaroundissuesthatalsomotivatedmaninthepast.Thusanyvisionaboutthefutureisreallybasedonvisionsofthepastbecausethatisallwecanknowforcertain. AsourreligiousmythsaboutthefutureneverwentbeyondJudgmentDaysoourmodernmythsaboutthefuturecannotgobeyondthesearchforlife’’sdeepermeaning.Thereasonisthatonlyaslongasthechoicebetweengoodandevilremainsman’’ssuprememoralproblemdoesliferetainthatspecialdignitythatderivesfromourabilitytochoosebetweenthetwo.Aworldinwhichthisconflicthasbeenpermanentlyresolvedeliminatesmanasweknowhim.Itmightbeauniversepeopledbyangelsbutithasnoplaceforman. Themovingpictureisavisualartbasedonsight.Speakingtoourvisionitoughttoprovideuswiththevisionsenablingustolivethegoodlife;itoughttogiveusinsightintoourselves.AboutahundredyearsagoTolstoywroteArtisahumanactivityhavingforitspurposethetransmissiontoothersofthehighestandbestfeelingstowhichmenhaverisen.LaterRobertFrostdefinedpoetryasbeginningindelightandendinginwisdom.Thusitmightbesaidthatthestateoftheartofthemovingimagecanbeassessedbythedegreetowhichitmeetsthemythopoetictaskofgivingusmythssuitabletolivebyinourtime--visionsthattransmittousthehighestandbestfeelingstowhichmenhaverisen--andbyhowwellthemovingimagesgiveusthatdelightwhichleadstowisdom.LetushopethattheartofthemovingimagethismostgenuineAmericanartwillsoonmeetthechallengeofbecomingtrulythegreatartofourage. Intheauthor’’sviewscience-fictionmovies
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