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01TheLanguageofMusicApainterhangshisorherfinishedpictureonawall,andeveryonecanseeit.Acomposerwritesawork,butnoonecanhearituntilitisperformed.Professionalsingersandplayershavegreatresponsibilities,forthecomposerisutterlydependentonthem.Astudentofmusicneedsaslongandasarduousatrainingtobecomeaperformerasamedicalstudentneedstobecomeadoctor.Mosttrainingisconcernedwithtechnique,formusicianshavetohavethemuscularproficiencyofanathleteoraballetdancer.Singerspracticebreathingeveryday,astheirvocalchordswouldbeinadequatewithoutcontrolledmuscularsupport.Stringplayerspracticemovingthefingersofthelefthandupanddown,whiledrawingthebowtoandfrowiththerightarm--twoentirelydifferentmovements.Singersandinstrumentalistshavetobeabletogeteverynoteperfectlyintune.Pianistsaresparedthisparticularanxiety,forthenotesarealreadythere,waitingforthem,anditisthepianotuner'sresponsibilitytotunetheinstrumentforthem.Buttheyhavetheirowndifficulties:thehammersthathitthestringshavetobecoaxednottosoundlikepercussion,andeachoverlappingtonehastosoundclear.Thisproblemofgettingcleartextureisonethatconfrontsstudentconductors:theyhavetolearntoknoweverynoteofthemusicandhowitshouldsound,andtheyhavetoaimatcontrollingthesesoundswithfanaticalbutselflessauthority.Techniqueisofnouseunlessitiscombinedwithmusicalknowledgeandunderstanding.Greatartistsarethosewhoaresothoroughlyathomeinthelanguageofmusicthattheycanenjoyperformingworkswritteninanycentury.02SchoolingandEducationItiscommonlybelievedintheUnitedStatesthatschooliswherepeoplegotogetaneducation.Nevertheless,ithasbeensaidthattodaychildreninterrupttheireducationtogotoschool.Thedistinctionbetweenschoolingandeducationimpliedbythisremarkisimportant.Educationismuchmoreopen-endedandall-inclusivethanschooling.Educationknowsnobounds.Itcantakeplaceanywhere,whetherintheshowerorinthejob,whetherinakitchenoronatractor.Itincludesboththeformallearningthattakesplaceinschoolsandthewholeuniverseofinformallearning.Theagentsofeducationcanrangefromareveredgrandparenttothepeopledebatingpoliticsontheradio,fromachildtoadistinguishedscientist.Whereasschoolinghasacertainpredictability,educationquiteoftenproducessurprises.Achanceconversationwithastrangermayleadapersontodiscoverhowlittleisknownofotherreligions.Peopleareengagedineducationfrominfancyon.Education,then,isaverybroad,inclusiveterm.Itisalifelongprocess,aprocessthatstartslongbeforethestartofschool,andonethatshouldbeanintegralpartofone'sentirelife.Schooling,ontheotherhand,isaspecific,formalizedprocess,whosegeneralpatternvarieslittlefromonesettingtothenext.Throughoutacountry,childrenarriveatschoolatapproximatelythesametime,takeassignedseats,aretaughtbyanadult,usesimilartextbooks,dohomework,takeexams,andsoon.Theslicesofrealitythataretobelearned,whethertheyarethealphabetoranunderstandingoftheworkingsofgovernment,haveusuallybeenlimitedbytheboundariesofthesubjectbeingtaught.Forexample,highschoolstudentsknowthattheyarenotlikelytofindoutintheirclassesthetruthaboutpoliticalproblemsintheircommunitiesorwhatthenewestfilmmakersareexperimentingwith.Therearedefiniteconditionssurroundingtheformalizedprocessofschooling.03TheDefinitionof"Price"Pricesdeterminehowresourcesaretobeused.Theyarealsothemeansbywhichproductsandservicesthatareinlimitedsupplyarerationedamongbuyers.ThepricesystemoftheUnitedStatesisacomplexnetworkcomposedofthepricesofalltheproductsboughtandsoldintheeconomyaswellasthoseofamyriadofservices,includinglabor,professional,transportation,andpublic-utilityservices.Theinterrelationshipsofallthesepricesmakeupthe"system"ofprices.Thepriceofanyparticularproductorserviceislinkedtoabroad,complicatedsystemofpricesinwhicheverythingseemstodependmoreorlessuponeverythingelse.Ifoneweretoaskagroupofrandomlyselectedindividualstodefine"price",manywouldreplythatpriceisanamountofmoneypaidbythebuyertothesellerofaproductorserviceor,inotherwords,thatpriceisthemoneyvalueofaproductorserviceasagreeduponinamarkettransaction.Thisdefinitionis,ofcourse,validasfarasitgoes.Foracompleteunderstandingofapriceinanyparticulartransaction,muchmorethantheamountofmoneyinvolvedmustbeknown.Boththebuyerandthesellershouldbefamiliarwithnotonlythemoneyamount,butwiththeamountandqualityoftheproductorservicetobeexchanged,thetimeandplaceatwhichtheexchangewilltakeplaceandpaymentwillbemade,theformofmoneytobeused,thecredittermsanddiscountsthatapplytothetransaction,guaranteesontheproductorservice,deliveryterms,returnprivileges,andotherfactors.Inotherwords,bothbuyerandsellershouldbefullyawareofallthefactorsthatcomprisethetotal"package"beingexchangedfortheasked-foramountofmoneyinorderthattheymayevaluateagivenprice.04ElectricityThemodernageisanageofelectricity.Peoplearesousedtoelectriclights,radio,televisions,andtelephonesthatitishardtoimaginewhatlifewouldbelikewithoutthem.Whenthereisapowerfailure,peoplegropeaboutinflickeringcandlelight,carshesitateinthestreetsbecausetherearenotrafficlightstoguidethem,andfoodspoilsinsilentrefrigerators.Yet,peoplebegantounderstandhowelectricityworksonlyalittlemorethantwocenturiesago.Naturehasapparentlybeenexperimentinginthisfieldformillionsofyears.Scientistsarediscoveringmoreandmorethatthelivingworldmayholdmanyinterestingsecretsofelectricitythatcouldbenefithumanity.Alllivingcellssendouttinypulsesofelectricity.Astheheartbeats,itsendsoutpulsesofrecord;theyformanelectrocardiogram,whichadoctorcanstudytodeterminehowwelltheheartisworking.Thebrain,too,sendsoutbrainwavesofelectricity,whichcanberecordedinanelectroencephalogram.Theelectriccurrentsgeneratedbymostlivingcellsareextremelysmall--oftensosmallthatsensitiveinstrumentsareneededtorecordthem.Butinsomeanimals,certainmusclecellshavebecomesospecializedaselectricalgeneratorsthattheydonotworkasmusclecellsatall.Whenlargenumbersofthesecellsarelinkedtogether,theeffectscanbeastonishing.Theelectriceelisanamazingstoragebattery.Itcansendajoltofasmuchaseighthundredvoltsofelectricitythroughthewaterinwhichitlives.(Anelectrichousecurrentisonlyonehundredtwentyvolts.)Asmanyasfour-fifthsofallthecellsintheelectriceel'sbodyarespecializedforgeneratingelectricity,andthestrengthoftheshockitcandelivercorrespondsroughlytothelengthofitsbody.05TheBeginningofDramaTherearemanytheoriesaboutthebeginningofdramainancientGreece.Theonemostwidelyacceptedtodayisbasedontheassumptionthatdramaevolvedfromritual.Theargumentforthisviewgoesasfollows.Inthebeginning,humanbeingsviewedthenaturalforcesoftheworld-eventheseasonalchanges-asunpredictable,andtheysoughtthroughvariousmeanstocontroltheseunknownandfearedpowers.Thosemeasureswhichappearedtobringthedesiredresultswerethenretainedandrepeateduntiltheyhardenedintofixedrituals.Eventuallystoriesarosewhichexplainedorveiledthemysteriesoftherites.Astimepassedsomeritualswereabandoned,butthestories,latercalledmyths,persistedandprovidedmaterialforartanddrama.Thosewhobelievethatdramaevolvedoutofritualalsoarguethatthoseritescontainedtheseedoftheaterbecausemusic,dance,masks,andcostumeswerealmostalwaysused.Furthermore,asuitablesitehadtobeprovidedforperformancesandwhentheentirecommunitydidnotparticipate,acleardivisionwasusuallymadebetweenthe"actingarea"andthe"auditorium."Inaddition,therewereperformers,and,sinceconsiderableimportancewasattachedtoavoidingmistakesintheenactmentofrites,religiousleadersusuallyassumedthattask.Wearingmasksandcostumes,theyoftenimpersonatedotherpeople,animals,orsupernaturalbeings,andmimedthedesiredeffect--successinhuntorbattle,thecomingrain,therevivaloftheSun--asanactormight.Eventuallysuchdramaticrepresentationswereseparatedfromreligiousactivities.Anothertheorytracesthetheater'soriginfromthehumaninterestinstorytelling.Accordingtothisviewtales(aboutthehunt,war,orotherfeats)aregraduallyelaborated,atfirstthroughtheuseofimpersonation,action,anddialoguebyanarratorandthenthroughtheassumptionofeachoftherolesbyadifferentperson.Acloselyrelatedtheorytracestheatertothosedancesthatareprimarilyrhythmicalandgymnasticorthatareimitationsofanimalmovementsandsounds.06TelevisionTelevision--themostpervasiveandpersuasiveofmoderntechnologies,markedbyrapidchangeandgrowth--ismovingintoanewera,aneraofextraordinarysophisticationandversatility,whichpromisestoreshapeourlivesandourworld.Itisanelectronicrevolutionofsorts,madepossiblebythemarriageoftelevisionandcomputertechnologies.Theword"television",derivedfromitsGreek(tele:distant)andLatin(visio:sight)roots,canliterallybeinterpretedassightfromadistance.Verysimplyput,itworksinthisway:throughasophisticatedsystemofelectronics,televisionprovidesthecapabilityofconvertinganimage(focusedonaspecialphotoconductiveplatewithinacamera)intoelectronicimpulses,whichcanbesentthroughawireorcable.Theseimpulses,whenfedintoareceiver(televisionset),canthenbeelectronicallyreconstitutedintothatsameimage.Televisionismorethanjustanelectronicsystem,however.Itisameansofexpression,aswellasavehicleforcommunication,andassuchbecomesapowerfultoolforreachingotherhumanbeings.Thefieldoftelevisioncanbedividedintotwocategoriesdeterminedbyitsmeansoftransmission.First,thereisbroadcasttelevision,whichreachesthemassesthroughbroad-basedairwavetransmissionoftelevisionsignals.Second,thereisnonbroadcasttelevision,whichprovidesfortheneedsofindividualsorspecificinterestgroupsthroughcontrolledtransmissiontechniques.Traditionally,televisionhasbeenamediumofthemasses.Wearemostfamiliarwithbroadcasttelevisionbecauseithasbeenwithusforaboutthirty-sevenyearsinaformsimilartowhatexiststoday.Duringthoseyears,ithasbeencontrolled,forthemostpart,bythebroadcastnetworks,ABC,NBC,andCBS,whohavebeenthemajorpurveyorsofnews,information,andentertainment.Thesegiantsofbroadcastinghaveactuallyshapednotonlytelevisionbutourperceptionofitaswell.Wehavecometolookuponthepicturetubeasasourceofentertainment,placingourroleinthisdynamicmediumasthepassiveviewer.07AndrewCarnegieAndrewCarnegie,knownastheKingofSteel,builtthesteelindustryintheUnitedStates,and,intheprocess,becameoneofthewealthiestmeninAmerica.Hissuccessresultedinpartfromhisabilitytoselltheproductandinpartfromhispolicyofexpandingduringperiodsofeconomicdecline,whenmostofhiscompetitorswerereducingtheirinvestments.Carnegiebelievedthatindividualsshouldprogressthroughhardwork,buthealsofeltstronglythatthewealthyshouldusetheirfortunesforthebenefitofsociety.Heopposedcharity,preferringinsteadtoprovideeducationalopportunitiesthatwouldallowotherstohelpthemselves."Hewhodiesrich,diesdisgraced,"heoftensaid.Amonghismorenoteworthycontributionstosocietyarethosethatbearhisname,includingtheCarnegieInstituteofPittsburgh,whichhasalibrary,amuseumoffinearts,andamuseumofnationalhistory.HealsofoundedaschooloftechnologythatisnowpartofCarnegie-MellonUniversity.OtherphilanthropicgiftsaretheCarnegieEndowmentforInternationalPeacetopromoteunderstandingbetweennations,theCarnegieInstituteofWashingtontofundscientificresearch,andCarnegieHalltoprovideacenterforthearts.FewAmericanshavebeenleftuntouchedbyAndrewCarnegie'sgenerosity.Hiscontributionsofmorethanfivemilliondollarsestablished2,500librariesinsmallcommunitiesthroughoutthecountryandformedthenucleusofthepubliclibrarysystemthatweallenjoytoday.08AmericanRevolutionTheAmericanRevolutionwasnotarevolutioninthesenseofaradicalortotalchange.Itwasnotasuddenandviolentoverturningofthepoliticalandsocialframework,suchaslateroccurredinFranceandRussia,whenbothwerealreadyindependentnations.Significantchangeswereusheredin,buttheywerenotbreathtaking.Whathappenedwasacceleratedevolutionratherthanoutrightrevolution.Duringtheconflictitselfpeoplewentonworkingandpraying,marryingandplaying.Mostofthemwerenotseriouslydisturbedbytheactualfighting,andmanyofthemoreisolatedcommunitiesscarcelyknewthatawarwason.America'sWarofIndependenceheraldedthebirthofthreemodernnations.OnewasCanada,whichreceiveditsfirstlargeinfluxofEnglish-speakingpopulationfromthethousandsofloyalistswhofledtherefromtheUnitedStates.AnotherwasAustralia,whichbecameapenalcolonynowthatAmericawasnolongeravailableforprisonersanddebtors.Thethirdnewcomer--theUnitedStates--baseditselfsquarelyonrepublicanprinciples.Yeteventhepoliticaloverturnwasnotsorevolutionaryasonemightsuppose.Insomestates,notablyConnecticutandRhodeIsland,thewarlargelyratifiedacolonialself-rulealreadyexisting.Britishofficials,everywhereousted,werereplacedbyahome-growngoverningclass,whichpromptlysoughtalocalsubstituteforkingandParliament.09SuburbanizationIfby"suburb"ismeantanurbanmarginthatgrowsmorerapidlythanitsalreadydevelopedinterior,theprocessofsuburbanizationbeganduringtheemergenceoftheindustrialcityinthesecondquarterofthenineteenthcentury.Beforethatperiodthecitywasasmallhighlycompactclusterinwhichpeoplemovedaboutonfootandgoodswereconveyedbyhorseandcart.Buttheearlyfactoriesbuiltinthe1830'sand1840'swerelocatedalongwaterwaysandnearrailheadsattheedgesofcities,andhousingwasneededforthethousandsofpeopledrawnbytheprospectofemployment.Intime,thefactoriesweresurroundedbyproliferatingmilltownsofapartmentsandrowhousesthatabuttedtheolder,maincities.Asadefenseagainstthisencroachmentandtoenlargetheirtaxbases,thecitiesappropriatedtheirindustrialneighbors.In1854,forexample,thecityofPhiladelphiaannexedmostofPhiladelphiaCounty.SimilarmunicipalmaneuverstookplaceinChicagoandinNewYork.Indeed,mostgreatcitiesoftheUnitedStatesachievedsuchstatusonlybyincorporatingthecommunitiesalongtheirborders.Withtheaccelerationofindustrialgrowthcameacuteurbancrowdingandaccompanyingsocialstress--conditionsthatbegantoapproachdisastrousproportionswhen,in1888,thefirstcommerciallysuccessfulelectrictractionlinewasdeveloped.Withinafewyearsthehorse-drawntrolleyswereretiredandelectricstreetcarnetworkscrisscrossedandconnectedeverymajorurbanarea,fosteringawaveofsuburbanizationthattransformedthecompactindustrialcityintoadispersedmetropolis.Thisfirstphaseofmass-scalesuburbanizationwasreinforcedbythesimultaneousemergenceoftheurbanMiddleClass,whosedesiresforhomeownershipinneighborhoodsfarfromtheaginginnercityweresatisfiedbythedevelopersofsingle-familyhousingtracts.10TypesofSpeechStandardusageincludesthosewordsandexpressionsunderstood,used,andacceptedbyamajorityofthespeakersofalanguageinanysituationregardlessofthelevelofformality.Assuch,thesewordsandexpressionsarewelldefinedandlistedinstandarddictionaries.Colloquialisms,ontheotherhand,arefamiliarwordsandidiomsthatareunderstoodbyalmostallspeakersofalanguageandusedininformalspeechorwriting,butnotconsideredappropriateformoreformalsituations.Almostallidiomaticexpressionsarecolloquiallanguage.Slang,however,referstowordsandexpressionsunderstoodbyalargenumberofspeakersbutnotacceptedasgood,formalusagebythemajority.Colloquialexpressionsandevenslangmaybefoundinstandarddictionariesbutwillbesoidentified.Bothcolloquialusageandslangaremorecommoninspeechthaninwriting.Colloquialspeechoftenpassesintostandardspeech.Someslangalsopassesintostandardspeech,butotherslangexpressionsenjoymomentarypopularityfollowedbyobscurity.Insomecases,themajorityneveracceptscertainslangphrasesbutneverthelessretainsthemintheircollectivememories.Everygenerationseemstorequireitsownsetofwordstodescribefamiliarobjectsandevents.Ithasbeenpointedoutbyanumberoflinguiststhatthreeculturalconditionsarenecessaryforthecreationofalargebodyofslangexpressions.First,theintroductionandacceptanceofnewobjectsandsituationsinthesociety;second,adiversepopulationwithalargenumberofsubgroups;third,associationamongthesubgroupsandthemajoritypopulation.Finally,itisworthnotingthattheterms"standard""colloquial"and"slang"existonlyasabstractlabelsforscholarswhostudylanguage.Onlyatinynumberofthespeakersofanylanguagewillbeawarethattheyareusingcolloquialorslangexpressions.MostspeakersofEnglishwill,duringappropriatesituations,selectanduseallthreetypesofexpressions.11ArchaeologyArchaeologyisasourceofhistory,notjustahumbleauxiliarydiscipline.Archaeologicaldataarehistoricaldocumentsintheirownright,notmereillustrationstowrittentexts.Justasmuchasanyotherhistorian,anarchaeologiststudiesandtriestoreconstitutetheprocessthathascreatedthehumanworldinwhichwelive--andusourselvesinsofarasweareeachcreaturesofourageandsocialenvironment.Archaeologicaldataareallchangesinthematerialworldresultingfromhumanactionor,moresuccinctly,thefossilizedresultsofhumanbehavior.Thesumtotaloftheseconstituteswhatmaybecalledthearchaeologicalrecord.Thisrecordexhibitscertainpeculiaritiesanddeficienciestheconsequencesofwhichproducearathersuperficialcontrastbetweenarchaeologicalhistoryandthemorefamiliarkindbaseduponwrittenrecords.Notallhumanbehaviorfossilizes.ThewordsIutterandyouhearasvibrationsintheairarecertainlyhumanchangesinthematerialworldandmaybeofgreathistoricalsignificance.Yettheyleavenosortoftraceinthearchaeologicalrecordsunlesstheyarecapturedbyadictaphoneorwrittendownbyaclerk.Themovementoftroopsonthebattlefieldmay"changethecourseofhistory,"butthisisequallyephemeralfromthearchaeologist'sstandpoint.Whatisperhapsworse,mostorganicmaterialsareperishable.Everythingmadeofwood,hide,wool,linen,grass,hair,andsimilarmaterialswilldecayandvanishindustinafewyearsorcenturies,saveunderveryexceptionalconditions.Inarelativelybriefperiodthearchaeologicalrecordisreducedtomerescrapsofstone,bone,glass,metal,andearthenware.Stillmodernarchaeology,byapplyingappropriatetechniquesandcomparativemethods,aidedbyafewluckyfindsfrompeat-bogs,deserts,andfrozensoils,isabletofillupagooddealofthegap.12MuseumsFromBostontoLosAngeles,fromNewYorkCitytoChicagotoDallas,museumsareeitherplanning,building,orwrappingupwholesaleexpansionprograms.Theseprogramsalreadyhaveradicallyalteredfacadesandfloorplansorareexpectedtodosointhenot-too-distantfuture.InNewYorkCityalone,sixmajorinstitutionshavespreadupandoutintotheairspaceandneighborhoodsaroundthemorarepreparingtodoso.Thereasonsforthisconfluenceofactivityarecomplex,butonefactorisaconsiderationeverywhere--space.Withcollectionsexpanding,withtheneedsandfunctionsofmuseumschanging,emptyspacehasbecomeaverypreciouscommodity.ProbablynowhereinthecountryisthismoretruethanatthePhiladelphiaMuseumofArt,whichhasneededadditionalspacefordecadesandwhichreceiveditslastsignificantfacelifttenyearsago.Becauseofthespacecrunch,theArtMuseumhasbecomeincreasinglycautiousinconsideringacquisitionsanddonationsofart,insomecasespassingupopportunitiestostrengthenitscollections.Deaccessing--orsellingoff--worksofarthastakenonnewimportancebecauseofthemuseum'sspaceproblems.Andincreasingly,curatorshavebeenforcedtojugglegalleryspace,rotatingonemasterpieceintopublicviewwhileanotherissenttostorage.Despitetheclearneedforadditionalgalleryandstoragespace,however,"themuseumhasnoplan,noplantobreakoutofitsenvelopeinthenextfifteenyears,"accordingtoPhiladelphiaMuseumofArt'spresident.13SkyscrapersandEnvironmentInthelate1960's,manypeopleinNorthAmericaturnedtheirattentiontoenvironmentalproblems,andnewsteel-and-glassskyscraperswerewidelycriticized.Ecologistspointedoutthataclusteroftallbuildingsinacityoftenoverburdenspublictransportationandparkinglotcapacities.Skyscrapersarealsolavishconsumers,andwasters,ofelectricpower.Inonerecentyear,theadditionof17millionsquarefeetofskyscraperofficespaceinNewYorkCityraisedthepeakdailydemandforelectricityby120,000kilowatts--enoughtosupplytheentirecityofAlbany,NewYork,foraday.Glass-walledskyscraperscanbeespeciallywasteful.Theheatloss(orgain)throughawallofhalf-inchplateglassismorethantentimesthatthroughatypicalmasonrywallfilledwithinsulationboard.Tolessenthestrainonheatingandair-conditioningequipment,buildersofskyscrapershavebeguntousedouble-glazedpanelsofglass,andreflectiveglassescoatedwithsilverorgoldmirrorfilmsthatreduceglareaswellasheatgain.However,mirror-walledskyscrapersraisethetemperatureofthesurroundingairandaffectneighboringbuildings.Skyscrapersputaseverestrainonacity'ssanitationfacilities,too.Iffullyoccupied,thetwoWorldTradeCentertowersinNewYorkCitywouldalonegenerate2.25milliongallonsofrawsewageeachyear--asmuchasacitythesizeofStanford,Connecticut,whichhasapopulationofmorethan109,000.14ARareFossilRecordThepreservationofembryosandjuvenilesisarateoccurrenceinthefossilrecord.Thetiny,delicateskeletonsareusuallyscatteredbyscavengersordestroyedbyweatheringbeforetheycanbefossilized.Ichthyosaurshadahigherchanceofbeingpreservedthandidterrestrialcreaturesbecause,asmarineanimals,theytendedtoliveinenvironmentslesssubjecttoerosion.Still,theirfossilizationrequiredasuiteoffactors:aslowrateofdecayofsofttissues,littlescavengingbyotheranimals,alackofswiftcurrentsandwavestojumbleandcarryawaysmallbones,andfairlyrapidburial.Giventhesefactors,someareashavebecomeatreasuryofwell-preservedichthyosaurfossils.ThedepositsatHolzmaden,Germany,presentaninterestingcaseforanalysis.Theichthyosaurremainsarefoundinblack,bituminousmarineshalesdepositedabout190millionyearsago.Overtheyears,thousandsofspecimensofmarinereptiles,fishandinvertebrateshavebeenrecoveredfromtheserocks.Thequalityofpreservationisoutstanding,butwhatisevenmoreimpressiveisthenumberofichthyosaurfossilscontainingpreservedembryos.Ichthyosaurswithembryoshavebeenreportedfrom6differentlevelsoftheshaleinasmallareaaroundHolzmaden,suggestingthataspecificsitewasusedbylargenumbersofichthyosaursrepeatedlyovertime.Theembryosarequiteadvancedintheirphysicaldevelopment;theirpaddles,forexample,arealreadywellformed.Onespecimenisevenpreservedinthebirthcanal.Inaddition,theshalecontainstheremainsofmanynewbornsthatarebetween20and30incheslong.WhyaretheresomanypregnantfemalesandyoungatHolzmadenwhentheyaresorareelsewhere?Thequalityofpreservationisalmostunmatchedandquarryoperationshavebeencarriedoutcarefullywithanawarenessofthevalueofthefossils.Butthesefactorsdonotaccountfortheinterestingquestionofhowtherecametobesuchaconcentrationofpregnantichthyosaursinaparticularplaceveryclosetotheirtimeofgivingbirth.15TheNobelAcademyForthelast82years,Sweden'sNobelAcademyhasdecidedwhowillreceivetheNobelPrizeinLiterature,therebydeterminingwhowillbeelevatedfromthegreatandtheneargreattotheimmortal.ButtodaytheAcademyiscomingunderheavycriticismbothfromthewithoutandfromwithin.CriticscontendthattheselectionofthewinnersoftenhaslesstodowithtruewritingabilitythanwiththepeculiarinternalpoliticsoftheAcademyandofSwedenitself.AccordingtoIngmarBjorksten,theculturaleditorforoneofthecountry'stwomajornewspapers,theprizecontinuestorepresent"whatpeoplecallaverySwedishexercise:reflectingSwedishtastes."TheAcademyhasdefendeditselfagainstsuchchargesofprovincialisminitsselectionbyassertingthatitsphysicaldistancefromthegreatliterarycapitalsoftheworldactuallyservestoprotecttheAcademyfromoutsideinfluences.Thismaywellbetrue,butcriticsrespondthatthisverydistancemayalsoberesponsiblefortheAcademy'sinabilitytoperceiveaccuratelyauthentictrendsintheliteraryworld.Regardlessofconcernsovertheselectionprocess,however,itseemsthattheprizewillcontinuetosurvivebothasanindicatoroftheliteraturethatwemosthighlypraise,andasanelusivegoalthatwritersseek.Iffornootherreason,theprizewillcontinuetobedesirableforthefinancialrewardsthataccompanyit;notonlyisthecashprizeitselfconsiderable,butitalsodramaticallyincreasessalesofanauthor'sbooks.16TheWarbetweenBritainandFranceInthelateeighteenthcentury,battlesragedinalmosteverycornerofEurope,aswellasintheMiddleEast,SouthAfrica,theWestIndies,andLatinAmerica.Inreality,however,therewasonlyonemajorwarduringthistime,thewarbetweenBritainandFrance.Allotherbattleswereancillarytothislargerconflict,andwereoftenatleastpartiallyrelatedtoitsantagonists'goalsandstrategies.FrancesoughttotaldominationofEurope.ThisgoalwasobstructedbyBritishindependenceandBritain'seffortsthroughoutthecontinenttothwartNapoleon;throughtreaties,Britainbuiltcoalitions(notdissimilarinconcepttotoday'sNATO)guaranteeingBritishparticipationinallmajorEuropeanconflicts.Thesetwoantagonistswerepoorlymatched,insofarastheyhadveryunequalstrengths:Francewaspredominantonland,Britainatsea.TheFrenchknewthat,shortofdefeatingtheBritishnavy,theironlyhopeofvictorywastoclosealltheportsofEuropetoBritishships.Accordingly,FrancesetouttoovercomeBritainbyextendingitsmilitarydominationfromMoscowtoLisbon,fromJutlandtoCalabria.Allofthisentailedtremendousrisk,becauseFrancedidnothavethemilitaryresourcestocontrolthismuchterritoryandstillprotectitselfandmaintainorderathome.Frenchstrategistscalculatedthatanavyof150shipswouldprovidetheforcenecessarytodefeattheBritishnavy.SuchaforcewouldgiveFranceathree-to-twoadvantageoverBritain.ThisadvantagewasdeemednecessarybecauseofBritain'ssuperiorseaskillsandtechnology,andalsobecauseBritainwouldbefightingadefensivewar,allowingittowinwithfewerforces.Napoleonneverlostsightofhisgoal,becauseBritainrepresentedthelastsubstantialimpedimenttohiscontrolofEurope.Ashisforcenearedthatgoal,Napoleongrewincreasinglyimpatientandbeganplanninganimmediateattack.17EvolutionofSleepSleepisveryancient.Intheelectroencephalographicsenseweshareitwithalltheprimatesandalmostalltheothermammalsandbirds:itmayextendbackasfarasthereptiles.Thereissomeevidencethatthetwotypesofsleep,dreaminganddreamless,dependonthelife-styleoftheanimal,andthatpredatorsarestatisticallymuchmorelikelytodreamthanprey,whichareinturnmuchmorelikelytoexperiencedreamlesssleep.Indreamsleep,theanimalispowerfullyimmobilizedandremarkablyunresponsivetoexternalstimuli.Dreamlesssleepismuchshallower,andwehaveallwitnessedcatsordogscockingtheirearstoasoundwhenapparentlyfastasleep.Thefactthatdeepdreamsleepisrareamongpreytodayseemsclearlytobeaproductofnaturalselection,anditmakessensethattoday,whensleepishighlyevolved,thestupidanimalsarelessfrequentlyimmobilizedbydeepsleepthanthesmartones.Butwhyshouldtheysleepdeeplyatall?Whyshouldastateofsuchdeepimmobilizationeverhaveevolved?Perhapsoneusefulhintabouttheoriginalfunctionofsleepistobefoundinthefactthatdolphinsandwhalesandaquaticmammalsingeneralseemtosleepverylittle.Thereis,byandlarge,noplacetohideintheocean.Coulditbethat,ratherthanincreasingananimal'svulnerability,thefunctionofsleepistodecreaseit?WilseWebboftheUniversityofFloridaandRayMeddisofLondonUniversityhavesuggestedthistobethecase.Itisconceivablethatanimalswhoaretoostupidtobequietontheirowninitiativeare,duringperiodsofhighrisk,immobilizedbytheimplacablearmofsleep.Thepointseemsparticularlyclearfortheyoungofpredatoryanimals.Thisisaninterestingnotionandprobablyatleastpartlytrue.18ModernAmericanUniversitiesBeforethe1850's,theUnitedStateshadanumberofsmallcolleges,mostofthemdatingfromcolonialdays.Theyweresmall,churchconnectedinstitutionswhoseprimaryconcernwastoshapethemoralcharacteroftheirstudents.ThroughoutEurope,institutionsofhigherlearninghaddeveloped,bearingtheancientnameofuniversity.InGermanyadifferentkindofuniversityhaddeveloped.TheGermanuniversitywasconcernedprimarilywithcreatingandspreadingknowledge,notmorals.Betweenmidcenturyandtheendofthe1800's,morethanninethousandyoungAmericans,dissatisfiedwiththeirtrainingathome,wenttoGermanyforadvancedstudy.SomeofthemreturnedtobecomepresidentsofvenerablecollegesHarvard,Yale,Columbia--andtransformthemintomodernuniversities.Thenewpresidentsbrokealltieswiththechurchesandbroughtinanewkindoffaculty.Professorswerehiredfortheirknowledgeofasubject,notbecausetheywereoftheproperfaithandhadastrongarmfordiscipliningstudents.Thenewprinciplewasthatauniversitywastocreateknowledgeaswellaspassiton,andthiscalledforafacultycomposedofteacher-scholars.DrillingandlearningbyrotewerereplacedbytheGermanmethodoflecturing,inwhichtheprofessor'sownresearchwaspresentedinclass.GraduatetrainingleadingtothePh.D.,anancientGer

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