Fordecadessomehavesuspectedthattheremightbeothersoutthere,intelligentbeingscapableofcommunicatingwithus,evenvisitingourworld.Itmightsoundlikesciencefiction,buttodayscientistsfromacrosstheglobearescouringtheuniverseforsignalsfromextraterrestrials.　　In2006,husbandandwifeteamDuncanLorimerandMauraMcLaughlindiscoveredanenigmatic..ddd