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[A] Human history contains great stories that can help us appreciate more about past life.[B] The gr...
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[A]Humanhistorycontainsgreatstoriesthatcanhelpu
[A]Humanhistorycontainsgreatstoriesthatcanhelpu
[A]Humanhistorycontainsgreatstoriesthatcanhelpu
[A]Humanhistorycontainsgreatstoriesthatcanhelpu
[A]Humanhistorycontainsgreatstoriesthatcanhelpu
[A]Humanhistorycontainsgreatstoriesthatcanhelpu
[A]Humanhistorycontainsgreatstoriesthatcanhelpu
[A]Humanhistorycontainsgreatstoriesthatcanhelpu
LocatedinWashingtonD.C.theLibraryofCongresscontain
history
catalog
shelf
collection
[A]Humanhistorycontainsgreatstoriesthatcanhelpu
LocatedinWashingtonD.C.theLibraryofCongresscontain
history
catalog
shelf
collection
[A]Humanhistorycontainsgreatstoriesthatcanhelpu
[A]Humanhistorycontainsgreatstoriesthatcanhelpu
[A]Humanhistorycontainsgreatstoriesthatcanhelpu
LocatedinWashingtonD.C.theLibraryofCongresscontain
history
catalog
shelf
collection
1μgβ-胡萝卜素相当于
0.084μgRE
0.167μgRE
0.363μgRE
0.631μgRE
1.000μgRE
[A]Humanhistorycontainsgreatstoriesthatcanhelpu
[A]Humanhistorycontainsgreatstoriesthatcanhelpu
Sincethe______ofhumanhistoryhumanbeingshavebeenask
dusk
dust
twinkle
dawn
[A]Humanhistorycontainsgreatstoriesthatcanhelpu
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[A]Inventoriesofthisstoredmerchandiseoftenneedtobefinanced.Modernmarketingisthereforeacoordinatedsystemofmanybusinessactivities.Butbasicallyitinvolvesfourthings:sellingthecorrectproductattheproperplacesellingitatapricedeterminedbydemandsatisfyingacustomer’sneedandwantsandproducingaprofitforthecompany. [B]Rawmaterialsrequiringlittleornospecialtreatmentcanbetransportedbyrailshiporbargeatlowcost.Largequantitiesofrawmaterialstravelasbulkfreight.Butfinishedproductsthatoftenrequirespecialtreatmentsuchasrefrigerationofcarefulhandlingareusuallytransportedbytruck.Thismerchandisefreightisusuallysmallerinvolumeandrequiresquickerdelivery.Merchandisefreightisatermforthetransportationofmanufacturedgoods. [C]Thetermsmarketandmarketingcanhaveseveralmeaningsdependinguponhowtheyareused.Thetermstockmarketreferstothebuyingandsellingofsharesincorporations.Aswellasotheractivitiesrelatedtostocktradingandpricing.TheimportantworldstockmarketsareinLondonGenevaNewYorkTokyoandSingaporeanothertpeofmarketisagrocerymarketwhichisaplacewherepeoplepurchasefood.Wheneconomistsusethewordmarket.Theymeanasetofforcesorconditionsthatdeterminethepriceofaproductsuchasthesupplyavailableforsaleandthedemandforitbyconsumers.Thetermmarketinginbusinessincludesallthesemeaningsandmore. [D]Inthepasttheconceptofmarketingemphasizedsales.Theproducerormanufacturermadeaproducthewantedtosell.Marketingwasthetaskoffiguringouthowtoselltheproduct.Basicallysellingtheproductwouldbeaccomplishedbysalespromotionwhichincludedadvertisingandpersonalselling.Inadditiontosalespromotionmarketingalsoinvolvedthephysicaldistributionoftheproducttotheplaceswhereitwasactuallysold.Distributionconsistedoftransportationstorageandrelatedservices.Suchasfinancingstandardizationandgradingandtherelatedrisks. [E]Marketingnowinvolvesfirstdecidingwhatthecustomerwantsanddesigningandproducingaproductthatsatisfiesthesewantsataprofittothecompany.Insteadofconcentratingsolelyonproductthecompanymustconsiderthedesiresoftheconsumer.Andthisismuchmoredifficultsinceitinvolveshumanbehavior.Productionontheotherhandismostlyanengineeringproblemthusdemandandmarketforcesarestillanimportantaspectofmodernmarketing.Buttheyareconsideredpriortotheproductionprocess. [F]Themodernmarketingconceptencompassesalloftheactivitiesmentionedbutitisbasedonadifferentsetofprinciples.Itsubscribestothenotionthatproductioncanbeeconomicallyjustifiedonlybyconsumption.Inotherwordsgoodsshouldbeproducedonlyiftheycanbesold.Thereforetheproducershouldconsiderwhoisgoingtobuytheproduct.Orwhatthemarketfortheproductisbeforeproductionbegins.Thisisverydifferentfrommakingaproductandthenthinkingabouthowtosellit. [G]Becauseproductsareoftenmarketedinternationallydistributionhasincreasedinimportance.Goodsmustbeattheplacewherethecustomerneedsthemorbroughtthere.Thisisknownasplaceutilityitaddsvaluetoaproduct.Howevermanymarketsareseparatedfromtheplaceofproduction.Whichmeansthatoftenbothrawmaterialsandfinishedproductsmustbetransportedtothepointswheretheyareneeded. [H]Alongallpointsofthedistributionchannelvariousamountsofstoragearerequired.Thetimeandmannerofsuchstoragedependsuponthetypeofproduct. 41
46Globalizationmightbewelcomedonmanygrounds—theeconomicpoliticalcommunicationalandevenlinguisticonescomereadilytomindbutitalsohassomeunfortunatesideeffectsthatmightprovedeadlytotheveryfutureofmankind.Thisisnomeresurmiseofcongenitalmisanthropesbuttheexpressedfearofsomewhoareotherwisewelldisposedtoit.ThusThomasFriedmaninanotherwiseoptimisticallymindedbookneverthelesswritesasfollows:47ThemoreIobservedthesystemofglobalizationatworkthemoreobviousitwasthatithadunleashedforest-crushingforcesofdevelopmentwhichifleftuncheckedhadthepotentialtodestroytheenvironmentanduprootculture...48Andbecauseglobalizationasaculturallyhomogenizingandenvironment-devouringforceiscomingonsofastthereisrealdangerthatinjustafewdecadesitwillwipeouttheecologicalandculturaldiversitythattookmillionsofyearsofhumanandbiologicalforcestoproduce.Somethingisasominousasallthatisarealthreatindeed.49AndyetdespitesuchapprehensionsFriedmanandotherswhothinklikehimbelievethateffectsofthismagnitudecansomehowbesidesteppedwithoutinterferingwiththetechnicizingsweepofglobalization.IsthatmerelywishfulthinkingoraninabilitytotakeinthefullimportofhisownwordsAsFriedmanpointsouttheglobalizationthreatisatoncetonatureandtoculture:totheenvironmentandthewholeecologicalvarietyofplantsandanimalsaswellastothequalityofhumanlifeandtheculturaldiversityonwhichitdepends.Damagetonatureeventuallytranslatesitselfasdamagetocultureandviceversa.Thefateofmanyancientcivilizationsthatcollapsedbecausetheyoutgrewtheirnaturalresourcesishistoricalproofofthatfact.Ourmoderncivilizationissubjecttothesameself-limitingconditions.50ThusifallagricultureisreducedtoanagribusinessindustrythenthediversifiedcountrysidelandscapethathumanshavecreatedsincetheNeolithicrevolutionwillbecomeamonoculturalecologicaldesertforwithitwilldisappearahostofanimalandplantspeciesaswellasawholeruralwayoflifewithitsmyriadvarietiesoffolkculturesthathavebeencarriedonformillennia.Thelossofnaturalspeciesthroughthedestructionoftheirnaturalhabitatisparalleledstepbystepbythelossofculturalspeciesthroughtheeliminationoftheirsocialhabitatwhichisrootedinanaturalenvironment.Theclearingofjunglesdoesnotmerelyexterminatetheanimalslivingtherebutalsothenativepeoplewhosehomeshavebeenthereforcountlessgenerations.
Younggirlsathighriskfordepressionappeartohaveamalfunctioningrewardsystemintheirbrainsanewstudysuggests.Thefindingcomesfromresearchthat1ahigh-riskgroupof13girlsaged10to14whowerenotdepressedbuthadmotherswho2recurrentdepressionandalow-riskgroupof13girlswithno3orfamilyhistoryofdepression.BothgroupsweregivenMRIbrain4whilecompletingataskthatcould5eitherrewardorpunishment. 6withgirlsinthelow-riskgroupthoseinthehigh-riskgrouphad7neuralresponsesduringbothanticipationandreceiptofthereward.8thehigh-riskgirlsshowedno9inanareaofthebraincalledthedorsalanteriorcingulatedcortex背侧前扣带皮质whichisbelievedtoplayarolein10pastexperiencestoassistlearning. Thehigh-riskgirlsdidhavegreateractivationofthisbrainarea11receivingpunishmentcomparedwiththeothergirls.Theresearcherssaidthatthissuggeststhathigh-riskgirlshaveeasiertime12informationaboutlossandpunishmentthaninformationaboutrewardandpleasure. "Consideredtogetherwithreducedactivationinthestriate纹状体的areascommonlyobserved13rewarditseemsthatthereward-processingsystemiscritically14indaughterswhoareatelevatedriskfordepression15theyhavenotyetexperiencedadepressive16"wroteIanH.GotlibofStanfordUniversityandhiscolleagues."17hmgitudinalstudiesareneededtodeterminewhethertheanomalousactivations18inthisstudyduringtheprocessingof19andlossesareassociatedwiththe20onsetofdepression"they’concluded.ThestudywaspublishedintheApriloftheArchivesofGeneralPsychiatry. 15
Directions. SupposeyouweretakengoodcareofbyAuntWangwhenyouvisitedShanghaiwhereshelived.Writealettertohertoextendyourappreciation. Beginyourletterasfollows: DearAuntWang Youshouldwriteabout100wordsonANSWERSHEET2.Donotsignyourownnameusing"LiMing"instead.Donotwritetheaddress.
Underpressurefromanimalwelfaregroupstwonationalscienceteachersassociationshaveadoptedguidelinesthatbanclassroomexperimentsharminganimals.TheNationalAssociationofBiologyTeachersandtheNationalScienceTeachersAssociationhopetoendanimalabuseinelementaryandsecondaryschoolsandinturndiscouragestudentsfrommishandlinganimalsinhomeexperimentsandsciencefairprojects. Animalwelfaregroupsareapparentlymostconcernedwithhighschoolstudentsexperimentingwithanimalsinextracurricularprojects.BarbaraOrlansPresidentoftheScientists’CenterforAnimalWelfaresaidthatstudentshavebeenperformingsurgeryatrandomtestingknownpoisonoussubstancesandrunningotherpathologyexperimentsonanimalswithoutevenknowingnormalphysiology. Atonesciencefairastudentcutoffthelegandtailofalizardtodemonstratethatonlythetailcanregenerateshesaid.Inanothercaseastudentboundsparrowsstarvedthemandobservedtheirbehavior. "Theamountofabusehasbeenquitehorrifying"Orlanssaid. Administratorsofmajorsciencefairsareshort-temperedovertheteachers’policychangeandtheimpressionithascreated.’"TheteachersweresoldabillofgoodsbyBarbaraOrlans"saidThurmanGraftonwhoheadstherulescommitteefortheInternationalScienceandEngineeringFair."Backyardtabletopsurgeryisjustnonsense.Thenewpoliciesthrowcoldwateronstudents’inquisitiveness"hesaid. Graftonsaidhewouldn’tdenythattherehasn’tbeenanimalabuseamongprojectsattheinternationalfairbutheaddedthatjudgesrejectcontestantswhohaveunnecessarilyinjuredanimals.Thejudgeshaveahardtimemonitoringlocalandregionalfairsthatmayormaynotchoosetocomplywiththeinternationalfair’srulesthatstresspropercareofanimalsGraftonsaid. HesaidthatseveralyearsagotheWestinghouseScienceTalentSearchbannedharmfulexperimentstoanimalswhensponsorsthreatenedtocanceltheirsupportafteranimalwelfaregroupslobbiedforchange. Theteachersadoptedthenewpoliciesalsotofendoffproposedlegislation--instatesincludingMissouriandNewYorkthatwouldrestrictorprohibitexperimentsonanimals. Officialsofthetwoteachersorganizationssaythattheydon’tknowhowmanyanimalshavebeenabusedintheclassroom.OntheonehandmanybiologyteachersarenottrainedinthepropercareofanimalssaidWayneMoyerexecutivedirectorofthebiologyteachers’association.Ontheothertheuseofanimalsinexperimentshasdroppedinrecentyearsbecauseofschoolbudgetcuts.Theassociationmaysetupseminarstoteachbetteranimalcaretoitsmembers. Itcanbelearnedfromthetextthattheteachersbanharmfulexperimentstoanimalsinorderto
Younggirlsathighriskfordepressionappeartohaveamalfunctioningrewardsystemintheirbrainsanewstudysuggests.Thefindingcomesfromresearchthat1ahigh-riskgroupof13girlsaged10to14whowerenotdepressedbuthadmotherswho2recurrentdepressionandalow-riskgroupof13girlswithno3orfamilyhistoryofdepression.BothgroupsweregivenMRIbrain4whilecompletingataskthatcould5eitherrewardorpunishment. 6withgirlsinthelow-riskgroupthoseinthehigh-riskgrouphad7neuralresponsesduringbothanticipationandreceiptofthereward.8thehigh-riskgirlsshowedno9inanareaofthebraincalledthedorsalanteriorcingulatedcortex背侧前扣带皮质whichisbelievedtoplayarolein10pastexperiencestoassistlearning. Thehigh-riskgirlsdidhavegreateractivationofthisbrainarea11receivingpunishmentcomparedwiththeothergirls.Theresearcherssaidthatthissuggeststhathigh-riskgirlshaveeasiertime12informationaboutlossandpunishmentthaninformationaboutrewardandpleasure. "Consideredtogetherwithreducedactivationinthestriate纹状体的areascommonlyobserved13rewarditseemsthatthereward-processingsystemiscritically14indaughterswhoareatelevatedriskfordepression15theyhavenotyetexperiencedadepressive16"wroteIanH.GotlibofStanfordUniversityandhiscolleagues."17hmgitudinalstudiesareneededtodeterminewhethertheanomalousactivations18inthisstudyduringtheprocessingof19andlossesareassociatedwiththe20onsetofdepression"they’concluded.ThestudywaspublishedintheApriloftheArchivesofGeneralPsychiatry. 13
[A]Inventoriesofthisstoredmerchandiseoftenneedtobefinanced.Modernmarketingisthereforeacoordinatedsystemofmanybusinessactivities.Butbasicallyitinvolvesfourthings:sellingthecorrectproductattheproperplacesellingitatapricedeterminedbydemandsatisfyingacustomer’sneedandwantsandproducingaprofitforthecompany. [B]Rawmaterialsrequiringlittleornospecialtreatmentcanbetransportedbyrailshiporbargeatlowcost.Largequantitiesofrawmaterialstravelasbulkfreight.Butfinishedproductsthatoftenrequirespecialtreatmentsuchasrefrigerationofcarefulhandlingareusuallytransportedbytruck.Thismerchandisefreightisusuallysmallerinvolumeandrequiresquickerdelivery.Merchandisefreightisatermforthetransportationofmanufacturedgoods. [C]Thetermsmarketandmarketingcanhaveseveralmeaningsdependinguponhowtheyareused.Thetermstockmarketreferstothebuyingandsellingofsharesincorporations.Aswellasotheractivitiesrelatedtostocktradingandpricing.TheimportantworldstockmarketsareinLondonGenevaNewYorkTokyoandSingaporeanothertpeofmarketisagrocerymarketwhichisaplacewherepeoplepurchasefood.Wheneconomistsusethewordmarket.Theymeanasetofforcesorconditionsthatdeterminethepriceofaproductsuchasthesupplyavailableforsaleandthedemandforitbyconsumers.Thetermmarketinginbusinessincludesallthesemeaningsandmore. [D]Inthepasttheconceptofmarketingemphasizedsales.Theproducerormanufacturermadeaproducthewantedtosell.Marketingwasthetaskoffiguringouthowtoselltheproduct.Basicallysellingtheproductwouldbeaccomplishedbysalespromotionwhichincludedadvertisingandpersonalselling.Inadditiontosalespromotionmarketingalsoinvolvedthephysicaldistributionoftheproducttotheplaceswhereitwasactuallysold.Distributionconsistedoftransportationstorageandrelatedservices.Suchasfinancingstandardizationandgradingandtherelatedrisks. [E]Marketingnowinvolvesfirstdecidingwhatthecustomerwantsanddesigningandproducingaproductthatsatisfiesthesewantsataprofittothecompany.Insteadofconcentratingsolelyonproductthecompanymustconsiderthedesiresoftheconsumer.Andthisismuchmoredifficultsinceitinvolveshumanbehavior.Productionontheotherhandismostlyanengineeringproblemthusdemandandmarketforcesarestillanimportantaspectofmodernmarketing.Buttheyareconsideredpriortotheproductionprocess. [F]Themodernmarketingconceptencompassesalloftheactivitiesmentionedbutitisbasedonadifferentsetofprinciples.Itsubscribestothenotionthatproductioncanbeeconomicallyjustifiedonlybyconsumption.Inotherwordsgoodsshouldbeproducedonlyiftheycanbesold.Thereforetheproducershouldconsiderwhoisgoingtobuytheproduct.Orwhatthemarketfortheproductisbeforeproductionbegins.Thisisverydifferentfrommakingaproductandthenthinkingabouthowtosellit. [G]Becauseproductsareoftenmarketedinternationallydistributionhasincreasedinimportance.Goodsmustbeattheplacewherethecustomerneedsthemorbroughtthere.Thisisknownasplaceutilityitaddsvaluetoaproduct.Howevermanymarketsareseparatedfromtheplaceofproduction.Whichmeansthatoftenbothrawmaterialsandfinishedproductsmustbetransportedtothepointswheretheyareneeded. [H]Alongallpointsofthedistributionchannelvariousamountsofstoragearerequired.Thetimeandmannerofsuchstoragedependsuponthetypeofproduct. 45
46Globalizationmightbewelcomedonmanygrounds—theeconomicpoliticalcommunicationalandevenlinguisticonescomereadilytomindbutitalsohassomeunfortunatesideeffectsthatmightprovedeadlytotheveryfutureofmankind.Thisisnomeresurmiseofcongenitalmisanthropesbuttheexpressedfearofsomewhoareotherwisewelldisposedtoit.ThusThomasFriedmaninanotherwiseoptimisticallymindedbookneverthelesswritesasfollows:47ThemoreIobservedthesystemofglobalizationatworkthemoreobviousitwasthatithadunleashedforest-crushingforcesofdevelopmentwhichifleftuncheckedhadthepotentialtodestroytheenvironmentanduprootculture...48Andbecauseglobalizationasaculturallyhomogenizingandenvironment-devouringforceiscomingonsofastthereisrealdangerthatinjustafewdecadesitwillwipeouttheecologicalandculturaldiversitythattookmillionsofyearsofhumanandbiologicalforcestoproduce.Somethingisasominousasallthatisarealthreatindeed.49AndyetdespitesuchapprehensionsFriedmanandotherswhothinklikehimbelievethateffectsofthismagnitudecansomehowbesidesteppedwithoutinterferingwiththetechnicizingsweepofglobalization.IsthatmerelywishfulthinkingoraninabilitytotakeinthefullimportofhisownwordsAsFriedmanpointsouttheglobalizationthreatisatoncetonatureandtoculture:totheenvironmentandthewholeecologicalvarietyofplantsandanimalsaswellastothequalityofhumanlifeandtheculturaldiversityonwhichitdepends.Damagetonatureeventuallytranslatesitselfasdamagetocultureandviceversa.Thefateofmanyancientcivilizationsthatcollapsedbecausetheyoutgrewtheirnaturalresourcesishistoricalproofofthatfact.Ourmoderncivilizationissubjecttothesameself-limitingconditions.50ThusifallagricultureisreducedtoanagribusinessindustrythenthediversifiedcountrysidelandscapethathumanshavecreatedsincetheNeolithicrevolutionwillbecomeamonoculturalecologicaldesertforwithitwilldisappearahostofanimalandplantspeciesaswellasawholeruralwayoflifewithitsmyriadvarietiesoffolkculturesthathavebeencarriedonformillennia.Thelossofnaturalspeciesthroughthedestructionoftheirnaturalhabitatisparalleledstepbystepbythelossofculturalspeciesthroughtheeliminationoftheirsocialhabitatwhichisrootedinanaturalenvironment.Theclearingofjunglesdoesnotmerelyexterminatetheanimalslivingtherebutalsothenativepeoplewhosehomeshavebeenthereforcountlessgenerations.
SevenyearsagoagroupoffemalescientistsattheMassachusettsInstituteofTechnologyproducedapieceofresearchshowingthatseniorwomenprofessorsintheinstitute’sschoolofsciencehadlowersalariesandreceivedfewerresourcesforresearchthantheirmalecounterpartsdid.Discriminationagainstfemalescientistshascroppedupelsewhere.OnestudyconductedinSwedenofallplaces--showedthatfemalemedical-researchscientistshadtobetwiceasgoodasmentowinresearchgrants.Thesepiecesofworkthoughwererelativelysmall-scale.NowamuchlargerstudyhasfoundthatdiscriminationplaysaroleinthepaygapbetweenmaleandfemalescientistsatBritishuniversities. SaraConnollyaresearcherattheUniversityofEastAnglia’sschoolofeconomicshasbeenanalyzingtheresultsofasurveyofover7000scientistsandshehasjustpresentedherfindingsatthisyear’smeetingoftheBritishAssociationfortheAdvancementofScienceinNorwich.Shefoundthattheaveragepaygapbetweenmaleandfemaleacademicsworkinginscienceengineeringandtechnologyisaround￡1500$2850ayear. Thatisnotofcourseirrefutableproofofdiscrimination.Analternativehypothesisisthatthecoursesofmen’sandwomen’slivesmeanthegapiscausedbysomethingelse;womentaking"careerbreaks"tohavechildrenforexampleandthusrisingmoreslowlythroughthehierarchy.UnfortunatelyforthatideaDr.ConnollyfoundthatmenarealsolikelytoearnmorewithinanygivengradeofthehierarchyMaleprofessorsforexampleearnover￡4000ayearmorethanfemaleones. ToprovethepointbeyonddoubtDr.Connollyworkedouthowmuchoftheoverallpaydifferentialwasexplainedbydifferencessuchasseniorityexperienceandageandhowmuchwasunexplainedandthereforesuggestiveofdiscrimination.Explicabledifferencesamountedto77%oftheoverallpaygapbetweenthesexes.Thatstillleftasubstantia123%gapinpaywhichDr.Connollyattributestodiscrimination. Besidespayherstudyalsolookedatthe"glass-ceiling"effect--namelythatatallstagesofawoman’scareersheislesslikelythanhermalecolleaguestobepromoted.Betweenpostdoctoralandlecturerlevelmenaremorelikelytobepromotedthanwomenarebyafactorofbetween1.04and2.45.Suchdifferencesarebiggerathighergradeswiththehardestmoveofallbeingforawomantosettleintoaprofessorialchair: Ofcourseitmightbethatateachgrademendomoreworkthanwomentomakethemselvesmoreeligibleforpromotion.Butthatexplanationtooseemstobewrong.UnlikethepreviousstudiesDr.Connolly’scomparedtheexperienceofscientistsinuniversitieswiththatofthoseinothersortsoflaboratory.Itturnsoutthatfemaleacademicresearchersfacemorebarrierstopromotionandhaveawidergapbetweentheirpayandthatoftheirmalecounterpartsthandotheirsistersinindustryorresearchinstitutesindependentofuniversities.Privateenterpriseinotherwordsdeliversmoreequalitythanthesupposedlyegalitarianworldofacademiadoes. Accordingtothetexttheauthorplacesinterpretationon
Younggirlsathighriskfordepressionappeartohaveamalfunctioningrewardsystemintheirbrainsanewstudysuggests.Thefindingcomesfromresearchthat1ahigh-riskgroupof13girlsaged10to14whowerenotdepressedbuthadmotherswho2recurrentdepressionandalow-riskgroupof13girlswithno3orfamilyhistoryofdepression.BothgroupsweregivenMRIbrain4whilecompletingataskthatcould5eitherrewardorpunishment. 6withgirlsinthelow-riskgroupthoseinthehigh-riskgrouphad7neuralresponsesduringbothanticipationandreceiptofthereward.8thehigh-riskgirlsshowedno9inanareaofthebraincalledthedorsalanteriorcingulatedcortex背侧前扣带皮质whichisbelievedtoplayarolein10pastexperiencestoassistlearning. Thehigh-riskgirlsdidhavegreateractivationofthisbrainarea11receivingpunishmentcomparedwiththeothergirls.Theresearcherssaidthatthissuggeststhathigh-riskgirlshaveeasiertime12informationaboutlossandpunishmentthaninformationaboutrewardandpleasure. "Consideredtogetherwithreducedactivationinthestriate纹状体的areascommonlyobserved13rewarditseemsthatthereward-processingsystemiscritically14indaughterswhoareatelevatedriskfordepression15theyhavenotyetexperiencedadepressive16"wroteIanH.GotlibofStanfordUniversityandhiscolleagues."17hmgitudinalstudiesareneededtodeterminewhethertheanomalousactivations18inthisstudyduringtheprocessingof19andlossesareassociatedwiththe20onsetofdepression"they’concluded.ThestudywaspublishedintheApriloftheArchivesofGeneralPsychiatry. 11
AccordingtocomScoreFacebookistheleadingsocialnetworkingsitebasedonmonthlyuniquevisitorshavingovertakenmaincompetitorMySpaceinApril2008.AccordingtoAlexathewebsite’srankingamongallwebsitesincreasedfrom60thto7thintermsofworldwidetrafficfromSeptember2006toSeptember2007andiscurrently5th.Quantcastranksthewebsite15thinU.S.intermsoftrafficandCompete.comranksit14thinU.S. TheInternetphenomenonwhichboasts80millionusersworldwideexplodedinpopularityoverthepastyearasaconvenientwayforWebuserstocommunicateandsharepersonaldetailswithselectedgroupsoffriendsoracquaintances.ButgrammaticalerrorsintheautomatedmessagesFacebookusestopersonalizepronounswhenmembersshareinformationwiththeirfriendshaveproliferatedsincethesiteexpandedfromEnglish-onlyinto15newlanguagesinrecentmonths. AndnowFacebookwillpressmemberstodeclarewhethertheyaremaleorfemaleseekingtoendthegrammaticaldevicethatleadsthesitetorefertoindividualusersas"they"or"themself.""We’vegottenfeedbackfromtranslatorsandusersinothercountriesthattranslationswindupbeingtooconfusingwhenpeoplehavenotspecifiedasexontheirprofiles"FacebookproductmanagerNaomiGleitsaidinacompanystatement. InEnglishwhenusersfailtospecifywhatgendertheyareFacebookdefaultstosomeformofthegenderneutralpluralpronoun"they."Thatoptionisunavailablewhenthepluralisalwaysmasculineorfeminineinotherlanguages."Peoplewhohaven’tselectedwhatsextheyarefrequentlygetdefaultedtothewrongsex"Gleitwrote. UnlessthegenderoftheuserisclearFacebookdoesnotknowwhichpronountousetonotifyothermembersaddinformationtothesite.ThiscommonEnglishproblemismultipliedinlanguageswheremasculineandfemininedistinctionsaregrammaticallyingrained. Thesitewillnowaskuserstospecifywhethertheyaremaleorfemaleontheirbasicmember-shipprofile.Itwillpromptexistinguserstodefinethemselves.Facebookhasanopt-outoptionformemberswhochoosenottospecifytheirgenderordonotconsidergendertobeclearcut.Memberscanremovementionofgenderfrommessagesabouttheiractivities."We’vereceivedpushbackinthepastfromgroupsthatfindthemale/femaledistinctiontoolimiting"Gleitsaid. WhatdoesthewordtrafficLine3Paragraph1mostprobablymean
IncreasinglyhistoriansareblamingdiseasesimportedfromtheOldWorldforthegreatdisparitybetweenthenativepopulationofAmericain1492--newestimatesofwhichjumpashighas100millionorapproximatelyone-sixthofthehumanraceatthattime--andthefewmillionfull-bloodedNativeAmericansaliveattheendofthenineteenthcentury.Thereisnodoubtthatchronicdiseasewasanimportantfactorinthesharpdeclineanditishighlyprobablethatthegreatestkillerwasepidemicdiseaseespeciallyasmanifestedinvirgin-soilepidemics. Virgin-soilepidemicsarethoseinwhichthepopulationsatriskhavehadnopreviouscontactwiththediseasesthatstrikethemandarethereforeimmunologicallyalmostdefenseless.Thatvirgin-soilepidemicswereimportantinAmericanhistoryisstronglyindicatedbyevidencethatanumberofdangerousmaladies--smallpoxmeaslesmalariayellowfeverandundoubtedlyseveralmore--wereunknowninthepre-ColumbianNewWorld.TheeffectsoftheirsuddenintroductionaredemonstratedintheearlychroniclesofAmericawhichcontainreportsofhorribleepidemicsandsteeppopulationdeclinesconfirmedinmanycasesbyquantitativeanalyzesofSpanishtributerecordsandothersources.TheevidenceprovidedbythedocumentsofBritishandFrenchcoloniesisnotasdefinitivebecausetheconquerorsofthoseareasdidnotestablishpermanentsettlementsandbegantokeepcontinuousrecordsuntiltheseventeenthcenturybywhichtimetheworstepidemicshadprobablyalreadytakenplace.FurthermoretheBritishtendedtodrivethenativepopulationsawayratherthantoenslavethemastheSpaniardsdidsothattheepidemicsofBritishAmericaoccurredbeyondtherangeofcolonists’directobservation. EvensothesurvivingrecordsofNorthAmericadocontainreferencestodeadlyepidemicsamongthenativepopulation.In1616--1619anepidemicpossiblyofpneumonicplaguesweptcoastalNewEnglandkillingasmanyasnineoutoftenDuringthe1630’ssmallpoxthediseasemostfataltotheNativeAmericanpeopleeliminatedhalfthepopulationoftheHuronandIroquoisconfederations.Inthe1820’sfeverruinedthepeopleoftheColumbiaRiverareakillingeightoutoftenofthem. UnfortunatelythedocumentationoftheseandotherepidemicsisslightandfrequentlyunreliableanditisnecessarytosupplementwhatlittlewedoknowwithevidencefromrecentepidemicsamongNativeAmericans.Forexamplein1952anoutbreakofmeaslesamongtheNativeAmericaninhabitantsofUngavaBayQuebecaffected99percentofthepopulationandkilled7percenteventhoughsomehadthebenefitofmodernmedicine.Casessuchasthisdemonstratethatevendiseasesthatarenotnormallyfatalcanhavedestroyingconsequenceswhentheystrikeanimmunologicallydefenselesscommunity. Theauthormentionsthe1952measlesoutbreakmostprobablyto
Younggirlsathighriskfordepressionappeartohaveamalfunctioningrewardsystemintheirbrainsanewstudysuggests.Thefindingcomesfromresearchthat1ahigh-riskgroupof13girlsaged10to14whowerenotdepressedbuthadmotherswho2recurrentdepressionandalow-riskgroupof13girlswithno3orfamilyhistoryofdepression.BothgroupsweregivenMRIbrain4whilecompletingataskthatcould5eitherrewardorpunishment. 6withgirlsinthelow-riskgroupthoseinthehigh-riskgrouphad7neuralresponsesduringbothanticipationandreceiptofthereward.8thehigh-riskgirlsshowedno9inanareaofthebraincalledthedorsalanteriorcingulatedcortex背侧前扣带皮质whichisbelievedtoplayarolein10pastexperiencestoassistlearning. Thehigh-riskgirlsdidhavegreateractivationofthisbrainarea11receivingpunishmentcomparedwiththeothergirls.Theresearcherssaidthatthissuggeststhathigh-riskgirlshaveeasiertime12informationaboutlossandpunishmentthaninformationaboutrewardandpleasure. "Consideredtogetherwithreducedactivationinthestriate纹状体的areascommonlyobserved13rewarditseemsthatthereward-processingsystemiscritically14indaughterswhoareatelevatedriskfordepression15theyhavenotyetexperiencedadepressive16"wroteIanH.GotlibofStanfordUniversityandhiscolleagues."17hmgitudinalstudiesareneededtodeterminewhethertheanomalousactivations18inthisstudyduringtheprocessingof19andlossesareassociatedwiththe20onsetofdepression"they’concluded.ThestudywaspublishedintheApriloftheArchivesofGeneralPsychiatry. 3
Younggirlsathighriskfordepressionappeartohaveamalfunctioningrewardsystemintheirbrainsanewstudysuggests.Thefindingcomesfromresearchthat1ahigh-riskgroupof13girlsaged10to14whowerenotdepressedbuthadmotherswho2recurrentdepressionandalow-riskgroupof13girlswithno3orfamilyhistoryofdepression.BothgroupsweregivenMRIbrain4whilecompletingataskthatcould5eitherrewardorpunishment. 6withgirlsinthelow-riskgroupthoseinthehigh-riskgrouphad7neuralresponsesduringbothanticipationandreceiptofthereward.8thehigh-riskgirlsshowedno9inanareaofthebraincalledthedorsalanteriorcingulatedcortex背侧前扣带皮质whichisbelievedtoplayarolein10pastexperiencestoassistlearning. Thehigh-riskgirlsdidhavegreateractivationofthisbrainarea11receivingpunishmentcomparedwiththeothergirls.Theresearcherssaidthatthissuggeststhathigh-riskgirlshaveeasiertime12informationaboutlossandpunishmentthaninformationaboutrewardandpleasure. "Consideredtogetherwithreducedactivationinthestriate纹状体的areascommonlyobserved13rewarditseemsthatthereward-processingsystemiscritically14indaughterswhoareatelevatedriskfordepression15theyhavenotyetexperiencedadepressive16"wroteIanH.GotlibofStanfordUniversityandhiscolleagues."17hmgitudinalstudiesareneededtodeterminewhethertheanomalousactivations18inthisstudyduringtheprocessingof19andlossesareassociatedwiththe20onsetofdepression"they’concluded.ThestudywaspublishedintheApriloftheArchivesofGeneralPsychiatry. 7
Younggirlsathighriskfordepressionappeartohaveamalfunctioningrewardsystemintheirbrainsanewstudysuggests.Thefindingcomesfromresearchthat1ahigh-riskgroupof13girlsaged10to14whowerenotdepressedbuthadmotherswho2recurrentdepressionandalow-riskgroupof13girlswithno3orfamilyhistoryofdepression.BothgroupsweregivenMRIbrain4whilecompletingataskthatcould5eitherrewardorpunishment. 6withgirlsinthelow-riskgroupthoseinthehigh-riskgrouphad7neuralresponsesduringbothanticipationandreceiptofthereward.8thehigh-riskgirlsshowedno9inanareaofthebraincalledthedorsalanteriorcingulatedcortex背侧前扣带皮质whichisbelievedtoplayarolein10pastexperiencestoassistlearning. Thehigh-riskgirlsdidhavegreateractivationofthisbrainarea11receivingpunishmentcomparedwiththeothergirls.Theresearcherssaidthatthissuggeststhathigh-riskgirlshaveeasiertime12informationaboutlossandpunishmentthaninformationaboutrewardandpleasure. "Consideredtogetherwithreducedactivationinthestriate纹状体的areascommonlyobserved13rewarditseemsthatthereward-processingsystemiscritically14indaughterswhoareatelevatedriskfordepression15theyhavenotyetexperiencedadepressive16"wroteIanH.GotlibofStanfordUniversityandhiscolleagues."17hmgitudinalstudiesareneededtodeterminewhethertheanomalousactivations18inthisstudyduringtheprocessingof19andlossesareassociatedwiththe20onsetofdepression"they’concluded.ThestudywaspublishedintheApriloftheArchivesofGeneralPsychiatry. 17
Younggirlsathighriskfordepressionappeartohaveamalfunctioningrewardsystemintheirbrainsanewstudysuggests.Thefindingcomesfromresearchthat1ahigh-riskgroupof13girlsaged10to14whowerenotdepressedbuthadmotherswho2recurrentdepressionandalow-riskgroupof13girlswithno3orfamilyhistoryofdepression.BothgroupsweregivenMRIbrain4whilecompletingataskthatcould5eitherrewardorpunishment. 6withgirlsinthelow-riskgroupthoseinthehigh-riskgrouphad7neuralresponsesduringbothanticipationandreceiptofthereward.8thehigh-riskgirlsshowedno9inanareaofthebraincalledthedorsalanteriorcingulatedcortex背侧前扣带皮质whichisbelievedtoplayarolein10pastexperiencestoassistlearning. Thehigh-riskgirlsdidhavegreateractivationofthisbrainarea11receivingpunishmentcomparedwiththeothergirls.Theresearcherssaidthatthissuggeststhathigh-riskgirlshaveeasiertime12informationaboutlossandpunishmentthaninformationaboutrewardandpleasure. "Consideredtogetherwithreducedactivationinthestriate纹状体的areascommonlyobserved13rewarditseemsthatthereward-processingsystemiscritically14indaughterswhoareatelevatedriskfordepression15theyhavenotyetexperiencedadepressive16"wroteIanH.GotlibofStanfordUniversityandhiscolleagues."17hmgitudinalstudiesareneededtodeterminewhethertheanomalousactivations18inthisstudyduringtheprocessingof19andlossesareassociatedwiththe20onsetofdepression"they’concluded.ThestudywaspublishedintheApriloftheArchivesofGeneralPsychiatry. 1
JustunderayearagoasharpdropinequatorialPacificsea-surfacetemperatureindicatedtheendofthe1997~1998E1Nino.Calledbysomeonetheclimateeventofthecenturyitwasbyseveralmeasuresthestrongestonrecord.41______.Thisismorethansimplyanacademicquestion:the1997~1998E1NinoseverelydisruptedglobalweatherpatternsandPacificmarineecosystemsandbyoneestimatecaused＄033billionindamageandcost23000livesworldwide.42______.Clearlywehavemuchtolearnfromthisexperience.43______.NowE1NinomoregenerallyreferstoawarmingofthetropicalPacificbasinthatoccursroughlyeverythreetosevenyearsinassociationwithaweakeningofthetradewinds.TheoppositesideofElNinoLaNinaischaracterizedbystronger-than-normaltradewindsandunusuallycoldsea-surfacetemperaturesinthetropicalPacific.BothE1NinoandLaNinaareaccompaniedbyswingsinatmosphericpressurebetweentheeasternandwesternPacific.TheseswingsareknownastheSouthernOscillation.ThesephenomenaarecollectivelyreferredtoasENSOorE1Nino/SouthernOscillation.ThegeneralmechanismsunderlyingtheENSOinvolvelarge-scaleocean-atmosphereinteractionsandequatorialoceandynamics.ButeachElNinoandLaNinaisuniqueinthecombinationofitsstrengthdurationandpatternofdevelopment.IrregularityintheENSOcyclecanbeseenbothintherecorddatingbacktothemiddleofthe19thcenturyandinothersupportingdatasuchaslakesedimentscoralgrowthringsandtreeringsgoingbackhundredsoreventhousandsofyears.44______.Nonethelessthe1997~1998E1Ninowasanunusualone.ItdevelopedsorapidlythateverymonthbetweenJuneandDecember1997setanewmonthlyrecordhighforsea-surfacetemperaturesintheeasternequatorialPacific.AnomaliesthatisdeviationsfromnormalinDecember1997werethehighesteverrecordedalongtheEquatorintheeasternPacific.Moreoverbefore1997~1998thepreviousrecord-settingE1Ninooccurredin1982~1983.45______.Severalfactorsmayhavecontributedtothestrengthofthe1997~1998E1Nino.OneischaoswhichsometheoriesinvoketoaccountfortheirregularityoftheENSOcycle.NonlinearresonancesinvolvingENSOandtheseasonalcyclehavereceivedspecialattentionbutotherchaoticinteractionsmayaffectENSOaswell.In1997~1998eventspossiblyactedtogethertoproduceanextraordinarilystrongE1Ninosimplyduetotheunderlyingtendencytowardschaosintheelimatesystem.[A]SoinprincipleitshouldnotbesurprisingthatanunusuallystrongE1Ninooccurseversooften.[B]IdentifyingwhyitwassostrongchallengesourunderstandingofthephysicalmechanismsresponsibleforE1Nino.[C]Fromthatperspectivethestrengthofthe1997~1998E1NinomaybebutonemanifestationofalinkagebetweeninterannualanddecadalclimatevariationsinthePacific.[D]ThesetwosuperE1Ninoswereseparatedbyonly15yearscomparedwithatypical30~40yeargapbetweensucheventsearlierinthe20thcentury.[E]E1NinoSpanishforthechildandspecificallytheChristchildisthenamePeruvianfishermangavetocoastalsea-temperaturewarningsthatfirstappearedaroundChristmastime.[F]TherewerewarningsofacomingE1Ninobeforeitoccurred.Butalthoughmanycomputerforecastmodelspredictedthat1997wouldbewarminthetropicalPacificuptothreeseasonsinadvancenonepredictedtherapiddevelopmentorultimateintensityoftheeventbeforeitbegan.[G]InassociationwiththePacificDecadalOscillationsea-surfacetemperatureshavegenerallybeenhigherinthetropicalPacificfromtheMid-1970s.SincethentherehavebeenmoreE1NinosthanLaNinas.
AccordingtocomScoreFacebookistheleadingsocialnetworkingsitebasedonmonthlyuniquevisitorshavingovertakenmaincompetitorMySpaceinApril2008.AccordingtoAlexathewebsite’srankingamongallwebsitesincreasedfrom60thto7thintermsofworldwidetrafficfromSeptember2006toSeptember2007andiscurrently5th.Quantcastranksthewebsite15thinU.S.intermsoftrafficandCompete.comranksit14thinU.S. TheInternetphenomenonwhichboasts80millionusersworldwideexplodedinpopularityoverthepastyearasaconvenientwayforWebuserstocommunicateandsharepersonaldetailswithselectedgroupsoffriendsoracquaintances.ButgrammaticalerrorsintheautomatedmessagesFacebookusestopersonalizepronounswhenmembersshareinformationwiththeirfriendshaveproliferatedsincethesiteexpandedfromEnglish-onlyinto15newlanguagesinrecentmonths. AndnowFacebookwillpressmemberstodeclarewhethertheyaremaleorfemaleseekingtoendthegrammaticaldevicethatleadsthesitetorefertoindividualusersas"they"or"themself.""We’vegottenfeedbackfromtranslatorsandusersinothercountriesthattranslationswindupbeingtooconfusingwhenpeoplehavenotspecifiedasexontheirprofiles"FacebookproductmanagerNaomiGleitsaidinacompanystatement. InEnglishwhenusersfailtospecifywhatgendertheyareFacebookdefaultstosomeformofthegenderneutralpluralpronoun"they."Thatoptionisunavailablewhenthepluralisalwaysmasculineorfeminineinotherlanguages."Peoplewhohaven’tselectedwhatsextheyarefrequentlygetdefaultedtothewrongsex"Gleitwrote. UnlessthegenderoftheuserisclearFacebookdoesnotknowwhichpronountousetonotifyothermembersaddinformationtothesite.ThiscommonEnglishproblemismultipliedinlanguageswheremasculineandfemininedistinctionsaregrammaticallyingrained. Thesitewillnowaskuserstospecifywhethertheyaremaleorfemaleontheirbasicmember-shipprofile.Itwillpromptexistinguserstodefinethemselves.Facebookhasanopt-outoptionformemberswhochoosenottospecifytheirgenderordonotconsidergendertobeclearcut.Memberscanremovementionofgenderfrommessagesabouttheiractivities."We’vereceivedpushbackinthepastfromgroupsthatfindthemale/femaledistinctiontoolimiting"Gleitsaid. WhichoneofthefollowingistrueunderthenewregulationsofFacebook
[A]Inventoriesofthisstoredmerchandiseoftenneedtobefinanced.Modernmarketingisthereforeacoordinatedsystemofmanybusinessactivities.Butbasicallyitinvolvesfourthings:sellingthecorrectproductattheproperplacesellingitatapricedeterminedbydemandsatisfyingacustomer’sneedandwantsandproducingaprofitforthecompany. [B]Rawmaterialsrequiringlittleornospecialtreatmentcanbetransportedbyrailshiporbargeatlowcost.Largequantitiesofrawmaterialstravelasbulkfreight.Butfinishedproductsthatoftenrequirespecialtreatmentsuchasrefrigerationofcarefulhandlingareusuallytransportedbytruck.Thismerchandisefreightisusuallysmallerinvolumeandrequiresquickerdelivery.Merchandisefreightisatermforthetransportationofmanufacturedgoods. [C]Thetermsmarketandmarketingcanhaveseveralmeaningsdependinguponhowtheyareused.Thetermstockmarketreferstothebuyingandsellingofsharesincorporations.Aswellasotheractivitiesrelatedtostocktradingandpricing.TheimportantworldstockmarketsareinLondonGenevaNewYorkTokyoandSingaporeanothertpeofmarketisagrocerymarketwhichisaplacewherepeoplepurchasefood.Wheneconomistsusethewordmarket.Theymeanasetofforcesorconditionsthatdeterminethepriceofaproductsuchasthesupplyavailableforsaleandthedemandforitbyconsumers.Thetermmarketinginbusinessincludesallthesemeaningsandmore. [D]Inthepasttheconceptofmarketingemphasizedsales.Theproducerormanufacturermadeaproducthewantedtosell.Marketingwasthetaskoffiguringouthowtoselltheproduct.Basicallysellingtheproductwouldbeaccomplishedbysalespromotionwhichincludedadvertisingandpersonalselling.Inadditiontosalespromotionmarketingalsoinvolvedthephysicaldistributionoftheproducttotheplaceswhereitwasactuallysold.Distributionconsistedoftransportationstorageandrelatedservices.Suchasfinancingstandardizationandgradingandtherelatedrisks. [E]Marketingnowinvolvesfirstdecidingwhatthecustomerwantsanddesigningandproducingaproductthatsatisfiesthesewantsataprofittothecompany.Insteadofconcentratingsolelyonproductthecompanymustconsiderthedesiresoftheconsumer.Andthisismuchmoredifficultsinceitinvolveshumanbehavior.Productionontheotherhandismostlyanengineeringproblemthusdemandandmarketforcesarestillanimportantaspectofmodernmarketing.Buttheyareconsideredpriortotheproductionprocess. [F]Themodernmarketingconceptencompassesalloftheactivitiesmentionedbutitisbasedonadifferentsetofprinciples.Itsubscribestothenotionthatproductioncanbeeconomicallyjustifiedonlybyconsumption.Inotherwordsgoodsshouldbeproducedonlyiftheycanbesold.Thereforetheproducershouldconsiderwhoisgoingtobuytheproduct.Orwhatthemarketfortheproductisbeforeproductionbegins.Thisisverydifferentfrommakingaproductandthenthinkingabouthowtosellit. [G]Becauseproductsareoftenmarketedinternationallydistributionhasincreasedinimportance.Goodsmustbeattheplacewherethecustomerneedsthemorbroughtthere.Thisisknownasplaceutilityitaddsvaluetoaproduct.Howevermanymarketsareseparatedfromtheplaceofproduction.Whichmeansthatoftenbothrawmaterialsandfinishedproductsmustbetransportedtothepointswheretheyareneeded. [H]Alongallpointsofthedistributionchannelvariousamountsofstoragearerequired.Thetimeandmannerofsuchstoragedependsuponthetypeofproduct. 43
AccordingtocomScoreFacebookistheleadingsocialnetworkingsitebasedonmonthlyuniquevisitorshavingovertakenmaincompetitorMySpaceinApril2008.AccordingtoAlexathewebsite’srankingamongallwebsitesincreasedfrom60thto7thintermsofworldwidetrafficfromSeptember2006toSeptember2007andiscurrently5th.Quantcastranksthewebsite15thinU.S.intermsoftrafficandCompete.comranksit14thinU.S. TheInternetphenomenonwhichboasts80millionusersworldwideexplodedinpopularityoverthepastyearasaconvenientwayforWebuserstocommunicateandsharepersonaldetailswithselectedgroupsoffriendsoracquaintances.ButgrammaticalerrorsintheautomatedmessagesFacebookusestopersonalizepronounswhenmembersshareinformationwiththeirfriendshaveproliferatedsincethesiteexpandedfromEnglish-onlyinto15newlanguagesinrecentmonths. AndnowFacebookwillpressmemberstodeclarewhethertheyaremaleorfemaleseekingtoendthegrammaticaldevicethatleadsthesitetorefertoindividualusersas"they"or"themself.""We’vegottenfeedbackfromtranslatorsandusersinothercountriesthattranslationswindupbeingtooconfusingwhenpeoplehavenotspecifiedasexontheirprofiles"FacebookproductmanagerNaomiGleitsaidinacompanystatement. InEnglishwhenusersfailtospecifywhatgendertheyareFacebookdefaultstosomeformofthegenderneutralpluralpronoun"they."Thatoptionisunavailablewhenthepluralisalwaysmasculineorfeminineinotherlanguages."Peoplewhohaven’tselectedwhatsextheyarefrequentlygetdefaultedtothewrongsex"Gleitwrote. UnlessthegenderoftheuserisclearFacebookdoesnotknowwhichpronountousetonotifyothermembersaddinformationtothesite.ThiscommonEnglishproblemismultipliedinlanguageswheremasculineandfemininedistinctionsaregrammaticallyingrained. Thesitewillnowaskuserstospecifywhethertheyaremaleorfemaleontheirbasicmember-shipprofile.Itwillpromptexistinguserstodefinethemselves.Facebookhasanopt-outoptionformemberswhochoosenottospecifytheirgenderordonotconsidergendertobeclearcut.Memberscanremovementionofgenderfrommessagesabouttheiractivities."We’vereceivedpushbackinthepastfromgroupsthatfindthemale/femaledistinctiontoolimiting"Gleitsaid. FromthepassageweknowthatFacebookisnowfacedwiththeproblemthat
ThemostthoroughlystudiedintellectualsinthehistoryoftheNewWorldaretheministersandpoliticalleadersofseventeenth-centuryNewEngland.AccordingtothestandardhistoryofAmericanphilosophynowhereelseincolonialAmericawas“somuchimportanceattachedtointellectualpursuits.”AccordingtomanybooksandarticlesNewEngland’sleadersestablishedthebasicthemesandpreoccupationsofanunfoldingdominantPuritantraditioninAmericanintellectuallife. TotakethisapproachtotheNewEnglandersnormallymeanstostartwiththePuritans’theologicalinnovationsandtheirdistinctiveideasaboutthechurch—importantsubjectsthatwemaynotneglect.ButinkeepingwithourexaminationofsouthernintellectuallifewemayconsidertheoriginalPuritansascarriersofEuropeancultureadjustingtoNewWorldcircumstances.TheNewEnglandcolonieswerethescenesofimportantepisodesinthepursuitofwidelyunderstoodidealsofcivilityandvirtuosity. TheearlysettlersofMassachusettsBayincludedmenofimpressiveeducationandinfluenceinEngland.BesidestheninetyorsolearnedministerswhocametoMassachusettschurchesinthedecadeafter1629therewerepoliticalleaderslikeJohnWinthropaneducatedgentlemanlawyerandofficialoftheCrownbeforehejourneyedtoBoston.ThesemenwroteandpublishedextensivelyreachingbothNewWorldandOldWorldaudiencesandgivingNewEnglandanatmosphereofintellectualearnestness. WeshouldnotforgethoweverthatmostNewEnglanderswerelesswelleducated.Whilefewcraftsmenorfarmersletalonedependentsandservantsleftliterarycompositionstobeanalyzeditisobviousthattheirviewswerelessfullyintellectualized.Theirthinkingoftenhadatraditionalsuperstitiousquality.AtailornamedJohnDanewhoemigratedinthelate1630sleftanaccountofhisreasonsforleavingEnglandthatisfilledwithsigns.Sexualconfusioneconomicfrustrationsandreligioushope—allcametogetherinadecisivemomentwhenheopenedtheBibletoldbasfatherthatthefirstlinehesawwouldsettlehisfateandreadthemagicalwords:"ComeoutfromamongthemtouchnouncleanthingandIwillbeyourGodandyoushallbemypeople."OnewonderswhatDanethoughtofthecarefulsermonsexplainingtheBiblethatheheardinPuritanchurches. MeanwhilemanysettlershadslighterreligiouscommitmentsthanDane’sasoneclergymanlearnedinconfrontingfolkalongthecoastwhomockedthattheyhadnotcometotheNewWorldfurreligion."Ourmainendwastocatchfish. ThestoryofJohnDaneshowsthatlesswell-educatedNewEnglanderswereoften
Younggirlsathighriskfordepressionappeartohaveamalfunctioningrewardsystemintheirbrainsanewstudysuggests.Thefindingcomesfromresearchthat1ahigh-riskgroupof13girlsaged10to14whowerenotdepressedbuthadmotherswho2recurrentdepressionandalow-riskgroupof13girlswithno3orfamilyhistoryofdepression.BothgroupsweregivenMRIbrain4whilecompletingataskthatcould5eitherrewardorpunishment. 6withgirlsinthelow-riskgroupthoseinthehigh-riskgrouphad7neuralresponsesduringbothanticipationandreceiptofthereward.8thehigh-riskgirlsshowedno9inanareaofthebraincalledthedorsalanteriorcingulatedcortex背侧前扣带皮质whichisbelievedtoplayarolein10pastexperiencestoassistlearning. Thehigh-riskgirlsdidhavegreateractivationofthisbrainarea11receivingpunishmentcomparedwiththeothergirls.Theresearcherssaidthatthissuggeststhathigh-riskgirlshaveeasiertime12informationaboutlossandpunishmentthaninformationaboutrewardandpleasure. "Consideredtogetherwithreducedactivationinthestriate纹状体的areascommonlyobserved13rewarditseemsthatthereward-processingsystemiscritically14indaughterswhoareatelevatedriskfordepression15theyhavenotyetexperiencedadepressive16"wroteIanH.GotlibofStanfordUniversityandhiscolleagues."17hmgitudinalstudiesareneededtodeterminewhethertheanomalousactivations18inthisstudyduringtheprocessingof19andlossesareassociatedwiththe20onsetofdepression"they’concluded.ThestudywaspublishedintheApriloftheArchivesofGeneralPsychiatry. 5
Younggirlsathighriskfordepressionappeartohaveamalfunctioningrewardsystemintheirbrainsanewstudysuggests.Thefindingcomesfromresearchthat1ahigh-riskgroupof13girlsaged10to14whowerenotdepressedbuthadmotherswho2recurrentdepressionandalow-riskgroupof13girlswithno3orfamilyhistoryofdepression.BothgroupsweregivenMRIbrain4whilecompletingataskthatcould5eitherrewardorpunishment. 6withgirlsinthelow-riskgroupthoseinthehigh-riskgrouphad7neuralresponsesduringbothanticipationandreceiptofthereward.8thehigh-riskgirlsshowedno9inanareaofthebraincalledthedorsalanteriorcingulatedcortex背侧前扣带皮质whichisbelievedtoplayarolein10pastexperiencestoassistlearning. Thehigh-riskgirlsdidhavegreateractivationofthisbrainarea11receivingpunishmentcomparedwiththeothergirls.Theresearcherssaidthatthissuggeststhathigh-riskgirlshaveeasiertime12informationaboutlossandpunishmentthaninformationaboutrewardandpleasure. "Consideredtogetherwithreducedactivationinthestriate纹状体的areascommonlyobserved13rewarditseemsthatthereward-processingsystemiscritically14indaughterswhoareatelevatedriskfordepression15theyhavenotyetexperiencedadepressive16"wroteIanH.GotlibofStanfordUniversityandhiscolleagues."17hmgitudinalstudiesareneededtodeterminewhethertheanomalousactivations18inthisstudyduringtheprocessingof19andlossesareassociatedwiththe20onsetofdepression"they’concluded.ThestudywaspublishedintheApriloftheArchivesofGeneralPsychiatry. 9
Younggirlsathighriskfordepressionappeartohaveamalfunctioningrewardsystemintheirbrainsanewstudysuggests.Thefindingcomesfromresearchthat1ahigh-riskgroupof13girlsaged10to14whowerenotdepressedbuthadmotherswho2recurrentdepressionandalow-riskgroupof13girlswithno3orfamilyhistoryofdepression.BothgroupsweregivenMRIbrain4whilecompletingataskthatcould5eitherrewardorpunishment. 6withgirlsinthelow-riskgroupthoseinthehigh-riskgrouphad7neuralresponsesduringbothanticipationandreceiptofthereward.8thehigh-riskgirlsshowedno9inanareaofthebraincalledthedorsalanteriorcingulatedcortex背侧前扣带皮质whichisbelievedtoplayarolein10pastexperiencestoassistlearning. Thehigh-riskgirlsdidhavegreateractivationofthisbrainarea11receivingpunishmentcomparedwiththeothergirls.Theresearcherssaidthatthissuggeststhathigh-riskgirlshaveeasiertime12informationaboutlossandpunishmentthaninformationaboutrewardandpleasure. "Consideredtogetherwithreducedactivationinthestriate纹状体的areascommonlyobserved13rewarditseemsthatthereward-processingsystemiscritically14indaughterswhoareatelevatedriskfordepression15theyhavenotyetexperiencedadepressive16"wroteIanH.GotlibofStanfordUniversityandhiscolleagues."17hmgitudinalstudiesareneededtodeterminewhethertheanomalousactivations18inthisstudyduringtheprocessingof19andlossesareassociatedwiththe20onsetofdepression"they’concluded.ThestudywaspublishedintheApriloftheArchivesofGeneralPsychiatry. 19
IncreasinglyhistoriansareblamingdiseasesimportedfromtheOldWorldforthegreatdisparitybetweenthenativepopulationofAmericain1492--newestimatesofwhichjumpashighas100millionorapproximatelyone-sixthofthehumanraceatthattime--andthefewmillionfull-bloodedNativeAmericansaliveattheendofthenineteenthcentury.Thereisnodoubtthatchronicdiseasewasanimportantfactorinthesharpdeclineanditishighlyprobablethatthegreatestkillerwasepidemicdiseaseespeciallyasmanifestedinvirgin-soilepidemics. Virgin-soilepidemicsarethoseinwhichthepopulationsatriskhavehadnopreviouscontactwiththediseasesthatstrikethemandarethereforeimmunologicallyalmostdefenseless.Thatvirgin-soilepidemicswereimportantinAmericanhistoryisstronglyindicatedbyevidencethatanumberofdangerousmaladies--smallpoxmeaslesmalariayellowfeverandundoubtedlyseveralmore--wereunknowninthepre-ColumbianNewWorld.TheeffectsoftheirsuddenintroductionaredemonstratedintheearlychroniclesofAmericawhichcontainreportsofhorribleepidemicsandsteeppopulationdeclinesconfirmedinmanycasesbyquantitativeanalyzesofSpanishtributerecordsandothersources.TheevidenceprovidedbythedocumentsofBritishandFrenchcoloniesisnotasdefinitivebecausetheconquerorsofthoseareasdidnotestablishpermanentsettlementsandbegantokeepcontinuousrecordsuntiltheseventeenthcenturybywhichtimetheworstepidemicshadprobablyalreadytakenplace.FurthermoretheBritishtendedtodrivethenativepopulationsawayratherthantoenslavethemastheSpaniardsdidsothattheepidemicsofBritishAmericaoccurredbeyondtherangeofcolonists’directobservation. EvensothesurvivingrecordsofNorthAmericadocontainreferencestodeadlyepidemicsamongthenativepopulation.In1616--1619anepidemicpossiblyofpneumonicplaguesweptcoastalNewEnglandkillingasmanyasnineoutoftenDuringthe1630’ssmallpoxthediseasemostfataltotheNativeAmericanpeopleeliminatedhalfthepopulationoftheHuronandIroquoisconfederations.Inthe1820’sfeverruinedthepeopleoftheColumbiaRiverareakillingeightoutoftenofthem. UnfortunatelythedocumentationoftheseandotherepidemicsisslightandfrequentlyunreliableanditisnecessarytosupplementwhatlittlewedoknowwithevidencefromrecentepidemicsamongNativeAmericans.Forexamplein1952anoutbreakofmeaslesamongtheNativeAmericaninhabitantsofUngavaBayQuebecaffected99percentofthepopulationandkilled7percenteventhoughsomehadthebenefitofmodernmedicine.Casessuchasthisdemonstratethatevendiseasesthatarenotnormallyfatalcanhavedestroyingconsequenceswhentheystrikeanimmunologicallydefenselesscommunity. WhichofthefollowingcanbeinferredfromthetextconcerningSpanishtributerecords
JustunderayearagoasharpdropinequatorialPacificsea-surfacetemperatureindicatedtheendofthe1997~1998E1Nino.Calledbysomeonetheclimateeventofthecenturyitwasbyseveralmeasuresthestrongestonrecord.41______.Thisismorethansimplyanacademicquestion:the1997~1998E1NinoseverelydisruptedglobalweatherpatternsandPacificmarineecosystemsandbyoneestimatecaused＄033billionindamageandcost23000livesworldwide.42______.Clearlywehavemuchtolearnfromthisexperience.43______.NowE1NinomoregenerallyreferstoawarmingofthetropicalPacificbasinthatoccursroughlyeverythreetosevenyearsinassociationwithaweakeningofthetradewinds.TheoppositesideofElNinoLaNinaischaracterizedbystronger-than-normaltradewindsandunusuallycoldsea-surfacetemperaturesinthetropicalPacific.BothE1NinoandLaNinaareaccompaniedbyswingsinatmosphericpressurebetweentheeasternandwesternPacific.TheseswingsareknownastheSouthernOscillation.ThesephenomenaarecollectivelyreferredtoasENSOorE1Nino/SouthernOscillation.ThegeneralmechanismsunderlyingtheENSOinvolvelarge-scaleocean-atmosphereinteractionsandequatorialoceandynamics.ButeachElNinoandLaNinaisuniqueinthecombinationofitsstrengthdurationandpatternofdevelopment.IrregularityintheENSOcyclecanbeseenbothintherecorddatingbacktothemiddleofthe19thcenturyandinothersupportingdatasuchaslakesedimentscoralgrowthringsandtreeringsgoingbackhundredsoreventhousandsofyears.44______.Nonethelessthe1997~1998E1Ninowasanunusualone.ItdevelopedsorapidlythateverymonthbetweenJuneandDecember1997setanewmonthlyrecordhighforsea-surfacetemperaturesintheeasternequatorialPacific.AnomaliesthatisdeviationsfromnormalinDecember1997werethehighesteverrecordedalongtheEquatorintheeasternPacific.Moreoverbefore1997~1998thepreviousrecord-settingE1Ninooccurredin1982~1983.45______.Severalfactorsmayhavecontributedtothestrengthofthe1997~1998E1Nino.OneischaoswhichsometheoriesinvoketoaccountfortheirregularityoftheENSOcycle.NonlinearresonancesinvolvingENSOandtheseasonalcyclehavereceivedspecialattentionbutotherchaoticinteractionsmayaffectENSOaswell.In1997~1998eventspossiblyactedtogethertoproduceanextraordinarilystrongE1Ninosimplyduetotheunderlyingtendencytowardschaosintheelimatesystem.[A]SoinprincipleitshouldnotbesurprisingthatanunusuallystrongE1Ninooccurseversooften.[B]IdentifyingwhyitwassostrongchallengesourunderstandingofthephysicalmechanismsresponsibleforE1Nino.[C]Fromthatperspectivethestrengthofthe1997~1998E1NinomaybebutonemanifestationofalinkagebetweeninterannualanddecadalclimatevariationsinthePacific.[D]ThesetwosuperE1Ninoswereseparatedbyonly15yearscomparedwithatypical30~40yeargapbetweensucheventsearlierinthe20thcentury.[E]E1NinoSpanishforthechildandspecificallytheChristchildisthenamePeruvianfishermangavetocoastalsea-temperaturewarningsthatfirstappearedaroundChristmastime.[F]TherewerewarningsofacomingE1Ninobeforeitoccurred.Butalthoughmanycomputerforecastmodelspredictedthat1997wouldbewarminthetropicalPacificuptothreeseasonsinadvancenonepredictedtherapiddevelopmentorultimateintensityoftheeventbeforeitbegan.[G]InassociationwiththePacificDecadalOscillationsea-surfacetemperatureshavegenerallybeenhigherinthetropicalPacificfromtheMid-1970s.SincethentherehavebeenmoreE1NinosthanLaNinas.
SevenyearsagoagroupoffemalescientistsattheMassachusettsInstituteofTechnologyproducedapieceofresearchshowingthatseniorwomenprofessorsintheinstitute’sschoolofsciencehadlowersalariesandreceivedfewerresourcesforresearchthantheirmalecounterpartsdid.Discriminationagainstfemalescientistshascroppedupelsewhere.OnestudyconductedinSwedenofallplaces--showedthatfemalemedical-researchscientistshadtobetwiceasgoodasmentowinresearchgrants.Thesepiecesofworkthoughwererelativelysmall-scale.NowamuchlargerstudyhasfoundthatdiscriminationplaysaroleinthepaygapbetweenmaleandfemalescientistsatBritishuniversities. SaraConnollyaresearcherattheUniversityofEastAnglia’sschoolofeconomicshasbeenanalyzingtheresultsofasurveyofover7000scientistsandshehasjustpresentedherfindingsatthisyear’smeetingoftheBritishAssociationfortheAdvancementofScienceinNorwich.Shefoundthattheaveragepaygapbetweenmaleandfemaleacademicsworkinginscienceengineeringandtechnologyisaround￡1500$2850ayear. Thatisnotofcourseirrefutableproofofdiscrimination.Analternativehypothesisisthatthecoursesofmen’sandwomen’slivesmeanthegapiscausedbysomethingelse;womentaking"careerbreaks"tohavechildrenforexampleandthusrisingmoreslowlythroughthehierarchy.UnfortunatelyforthatideaDr.ConnollyfoundthatmenarealsolikelytoearnmorewithinanygivengradeofthehierarchyMaleprofessorsforexampleearnover￡4000ayearmorethanfemaleones. ToprovethepointbeyonddoubtDr.Connollyworkedouthowmuchoftheoverallpaydifferentialwasexplainedbydifferencessuchasseniorityexperienceandageandhowmuchwasunexplainedandthereforesuggestiveofdiscrimination.Explicabledifferencesamountedto77%oftheoverallpaygapbetweenthesexes.Thatstillleftasubstantia123%gapinpaywhichDr.Connollyattributestodiscrimination. Besidespayherstudyalsolookedatthe"glass-ceiling"effect--namelythatatallstagesofawoman’scareersheislesslikelythanhermalecolleaguestobepromoted.Betweenpostdoctoralandlecturerlevelmenaremorelikelytobepromotedthanwomenarebyafactorofbetween1.04and2.45.Suchdifferencesarebiggerathighergradeswiththehardestmoveofallbeingforawomantosettleintoaprofessorialchair: Ofcourseitmightbethatateachgrademendomoreworkthanwomentomakethemselvesmoreeligibleforpromotion.Butthatexplanationtooseemstobewrong.UnlikethepreviousstudiesDr.Connolly’scomparedtheexperienceofscientistsinuniversitieswiththatofthoseinothersortsoflaboratory.Itturnsoutthatfemaleacademicresearchersfacemorebarrierstopromotionandhaveawidergapbetweentheirpayandthatoftheirmalecounterpartsthandotheirsistersinindustryorresearchinstitutesindependentofuniversities.Privateenterpriseinotherwordsdeliversmoreequalitythanthesupposedlyegalitarianworldofacademiadoes. Whichoffollowingscouldbethebesttitleforthetext
JustunderayearagoasharpdropinequatorialPacificsea-surfacetemperatureindicatedtheendofthe1997~1998E1Nino.Calledbysomeonetheclimateeventofthecenturyitwasbyseveralmeasuresthestrongestonrecord.41______.Thisismorethansimplyanacademicquestion:the1997~1998E1NinoseverelydisruptedglobalweatherpatternsandPacificmarineecosystemsandbyoneestimatecaused＄033billionindamageandcost23000livesworldwide.42______.Clearlywehavemuchtolearnfromthisexperience.43______.NowE1NinomoregenerallyreferstoawarmingofthetropicalPacificbasinthatoccursroughlyeverythreetosevenyearsinassociationwithaweakeningofthetradewinds.TheoppositesideofElNinoLaNinaischaracterizedbystronger-than-normaltradewindsandunusuallycoldsea-surfacetemperaturesinthetropicalPacific.BothE1NinoandLaNinaareaccompaniedbyswingsinatmosphericpressurebetweentheeasternandwesternPacific.TheseswingsareknownastheSouthernOscillation.ThesephenomenaarecollectivelyreferredtoasENSOorE1Nino/SouthernOscillation.ThegeneralmechanismsunderlyingtheENSOinvolvelarge-scaleocean-atmosphereinteractionsandequatorialoceandynamics.ButeachElNinoandLaNinaisuniqueinthecombinationofitsstrengthdurationandpatternofdevelopment.IrregularityintheENSOcyclecanbeseenbothintherecorddatingbacktothemiddleofthe19thcenturyandinothersupportingdatasuchaslakesedimentscoralgrowthringsandtreeringsgoingbackhundredsoreventhousandsofyears.44______.Nonethelessthe1997~1998E1Ninowasanunusualone.ItdevelopedsorapidlythateverymonthbetweenJuneandDecember1997setanewmonthlyrecordhighforsea-surfacetemperaturesintheeasternequatorialPacific.AnomaliesthatisdeviationsfromnormalinDecember1997werethehighesteverrecordedalongtheEquatorintheeasternPacific.Moreoverbefore1997~1998thepreviousrecord-settingE1Ninooccurredin1982~1983.45______.Severalfactorsmayhavecontributedtothestrengthofthe1997~1998E1Nino.OneischaoswhichsometheoriesinvoketoaccountfortheirregularityoftheENSOcycle.NonlinearresonancesinvolvingENSOandtheseasonalcyclehavereceivedspecialattentionbutotherchaoticinteractionsmayaffectENSOaswell.In1997~1998eventspossiblyactedtogethertoproduceanextraordinarilystrongE1Ninosimplyduetotheunderlyingtendencytowardschaosintheelimatesystem.[A]SoinprincipleitshouldnotbesurprisingthatanunusuallystrongE1Ninooccurseversooften.[B]IdentifyingwhyitwassostrongchallengesourunderstandingofthephysicalmechanismsresponsibleforE1Nino.[C]Fromthatperspectivethestrengthofthe1997~1998E1NinomaybebutonemanifestationofalinkagebetweeninterannualanddecadalclimatevariationsinthePacific.[D]ThesetwosuperE1Ninoswereseparatedbyonly15yearscomparedwithatypical30~40yeargapbetweensucheventsearlierinthe20thcentury.[E]E1NinoSpanishforthechildandspecificallytheChristchildisthenamePeruvianfishermangavetocoastalsea-temperaturewarningsthatfirstappearedaroundChristmastime.[F]TherewerewarningsofacomingE1Ninobeforeitoccurred.Butalthoughmanycomputerforecastmodelspredictedthat1997wouldbewarminthetropicalPacificuptothreeseasonsinadvancenonepredictedtherapiddevelopmentorultimateintensityoftheeventbeforeitbegan.[G]InassociationwiththePacificDecadalOscillationsea-surfacetemperatureshavegenerallybeenhigherinthetropicalPacificfromtheMid-1970s.SincethentherehavebeenmoreE1NinosthanLaNinas.
Underpressurefromanimalwelfaregroupstwonationalscienceteachersassociationshaveadoptedguidelinesthatbanclassroomexperimentsharminganimals.TheNationalAssociationofBiologyTeachersandtheNationalScienceTeachersAssociationhopetoendanimalabuseinelementaryandsecondaryschoolsandinturndiscouragestudentsfrommishandlinganimalsinhomeexperimentsandsciencefairprojects. Animalwelfaregroupsareapparentlymostconcernedwithhighschoolstudentsexperimentingwithanimalsinextracurricularprojects.BarbaraOrlansPresidentoftheScientists’CenterforAnimalWelfaresaidthatstudentshavebeenperformingsurgeryatrandomtestingknownpoisonoussubstancesandrunningotherpathologyexperimentsonanimalswithoutevenknowingnormalphysiology. Atonesciencefairastudentcutoffthelegandtailofalizardtodemonstratethatonlythetailcanregenerateshesaid.Inanothercaseastudentboundsparrowsstarvedthemandobservedtheirbehavior. "Theamountofabusehasbeenquitehorrifying"Orlanssaid. Administratorsofmajorsciencefairsareshort-temperedovertheteachers’policychangeandtheimpressionithascreated.’"TheteachersweresoldabillofgoodsbyBarbaraOrlans"saidThurmanGraftonwhoheadstherulescommitteefortheInternationalScienceandEngineeringFair."Backyardtabletopsurgeryisjustnonsense.Thenewpoliciesthrowcoldwateronstudents’inquisitiveness"hesaid. Graftonsaidhewouldn’tdenythattherehasn’tbeenanimalabuseamongprojectsattheinternationalfairbutheaddedthatjudgesrejectcontestantswhohaveunnecessarilyinjuredanimals.Thejudgeshaveahardtimemonitoringlocalandregionalfairsthatmayormaynotchoosetocomplywiththeinternationalfair’srulesthatstresspropercareofanimalsGraftonsaid. HesaidthatseveralyearsagotheWestinghouseScienceTalentSearchbannedharmfulexperimentstoanimalswhensponsorsthreatenedtocanceltheirsupportafteranimalwelfaregroupslobbiedforchange. Theteachersadoptedthenewpoliciesalsotofendoffproposedlegislation--instatesincludingMissouriandNewYorkthatwouldrestrictorprohibitexperimentsonanimals. Officialsofthetwoteachersorganizationssaythattheydon’tknowhowmanyanimalshavebeenabusedintheclassroom.OntheonehandmanybiologyteachersarenottrainedinthepropercareofanimalssaidWayneMoyerexecutivedirectorofthebiologyteachers’association.Ontheothertheuseofanimalsinexperimentshasdroppedinrecentyearsbecauseofschoolbudgetcuts.Theassociationmaysetupseminarstoteachbetteranimalcaretoitsmembers. Accordingtothetextanimalwelfaregroupshavesucceededin
SevenyearsagoagroupoffemalescientistsattheMassachusettsInstituteofTechnologyproducedapieceofresearchshowingthatseniorwomenprofessorsintheinstitute’sschoolofsciencehadlowersalariesandreceivedfewerresourcesforresearchthantheirmalecounterpartsdid.Discriminationagainstfemalescientistshascroppedupelsewhere.OnestudyconductedinSwedenofallplaces--showedthatfemalemedical-researchscientistshadtobetwiceasgoodasmentowinresearchgrants.Thesepiecesofworkthoughwererelativelysmall-scale.NowamuchlargerstudyhasfoundthatdiscriminationplaysaroleinthepaygapbetweenmaleandfemalescientistsatBritishuniversities. SaraConnollyaresearcherattheUniversityofEastAnglia’sschoolofeconomicshasbeenanalyzingtheresultsofasurveyofover7000scientistsandshehasjustpresentedherfindingsatthisyear’smeetingoftheBritishAssociationfortheAdvancementofScienceinNorwich.Shefoundthattheaveragepaygapbetweenmaleandfemaleacademicsworkinginscienceengineeringandtechnologyisaround￡1500$2850ayear. Thatisnotofcourseirrefutableproofofdiscrimination.Analternativehypothesisisthatthecoursesofmen’sandwomen’slivesmeanthegapiscausedbysomethingelse;womentaking"careerbreaks"tohavechildrenforexampleandthusrisingmoreslowlythroughthehierarchy.UnfortunatelyforthatideaDr.ConnollyfoundthatmenarealsolikelytoearnmorewithinanygivengradeofthehierarchyMaleprofessorsforexampleearnover￡4000ayearmorethanfemaleones. ToprovethepointbeyonddoubtDr.Connollyworkedouthowmuchoftheoverallpaydifferentialwasexplainedbydifferencessuchasseniorityexperienceandageandhowmuchwasunexplainedandthereforesuggestiveofdiscrimination.Explicabledifferencesamountedto77%oftheoverallpaygapbetweenthesexes.Thatstillleftasubstantia123%gapinpaywhichDr.Connollyattributestodiscrimination. Besidespayherstudyalsolookedatthe"glass-ceiling"effect--namelythatatallstagesofawoman’scareersheislesslikelythanhermalecolleaguestobepromoted.Betweenpostdoctoralandlecturerlevelmenaremorelikelytobepromotedthanwomenarebyafactorofbetween1.04and2.45.Suchdifferencesarebiggerathighergradeswiththehardestmoveofallbeingforawomantosettleintoaprofessorialchair: Ofcourseitmightbethatateachgrademendomoreworkthanwomentomakethemselvesmoreeligibleforpromotion.Butthatexplanationtooseemstobewrong.UnlikethepreviousstudiesDr.Connolly’scomparedtheexperienceofscientistsinuniversitieswiththatofthoseinothersortsoflaboratory.Itturnsoutthatfemaleacademicresearchersfacemorebarrierstopromotionandhaveawidergapbetweentheirpayandthatoftheirmalecounterpartsthandotheirsistersinindustryorresearchinstitutesindependentofuniversities.Privateenterpriseinotherwordsdeliversmoreequalitythanthesupposedlyegalitarianworldofacademiadoes. Thephrasecropupinthefirstparagraphmostprobablymeans
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