Itiswell-knownthattwinsareclosertoeachotherthanmostbrothersandsisters----afterall,theyprobablyspendmoretimewitheachother.Parentsoftwinsoftennoticethattheydevelopspecialwaysofcommunicating:theyinventtheirownwordsandonecanoftenfinishtheother'ssentence.Inexceptionalcircumstances,thisclosenessbecomesmoreextreme:theyinventawholelanguageoftheirown,asinthecaseofGraceandVirginiaKennedyfromGeorgiaintheUSA,whocommunicatedsosuccessfullyintheirownspeciallanguagethattheydidnotspeakanyEnglishatalluntilaftertheystartedschool.
However,thesespecialrelationshipsaretheresultoflivesspentalmostentirelyineachother'scompany.Whathappenswhentwinsdonotgrowuptogether,whentheyareseparatedatbirthforsomereason?Aretheyjustlikeanyotherstrangers,oraretherestillspecialsimilaritiesbetweenthem?ProfessorTomBouchard,oftheUniversityofMinnesota,setouttofindtheanswertothisquestion.Hetracedsixteenpairsoftwins,whowereadoptedbydifferentfamilieswhentheywerebabies,andoftenbroughtupinverydifferentcircumstances.Eachtwinwastheninterviewedabouteverysmalldetailoftheirlife.
Theresultsofthisresearchmakeasurprisingreading.Manyofthetwinswerefoundtohavethesamehobbies,manyhavesufferedthesameillnesses,andsomehaveevenhadthesametypeofaccidentatthesamepointintheirlives.Onepairofmiddle-agedwomenarrivedfortheirfirstmeetinginsimilardresses,anotherpairwerewearingsimilarjewellery.ThemostincrediblesimilaritiesaretobefoundinthecaseofJimSpringerandJimLewisfromOhiointheUSA.Thestoryofthe'JimTwins'madeheadlinenewsacrossUSA.Borntoanimmigrantwomanin1939,andadoptedbydifferentfamiliesatbirth,bothbabieswerenamedJimbytheirnewparents.
Butwhatcanbetheexplanationfortheseremarkablesimilarities?Isitallpurecoincidence,oristheexplanationinsomewaygenetic?Researchintothelivesoftwinsisforcingsomeexpertstoadmitthatourpersonalitiesmaybeatleastpartlydueto'nature'.Ontheotherhand,analystsarealsoanxioustoemphasisethatincrediblecoincidencesdohappenallthetime,notjustinthelivesoftwins.
73.ThecaseofGraceandVirginiaKennedy