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简介：

MichaelMosleyexploresthelatestscienceabouthowourpersonalitiesarecreated-andwhethertheycanbechanged. 　　Despiteappearances,Mosleyisapessimistwhoconstantlyfretsaboutthefuture.Hewantstoworrylessandbecomemoreofanoptimist. 　　Hetriesouttwotechniquestochangethisaspectofhispersonality-withsurprisingresults. 　　Andhetravelstothefrontie...