Lesson45Whosemistake?

　　Ithadbeenalongday.Thejudgeshadchosenfourteensculpturesfortheexhibition.Theywantedafifteenth,andtheywantedtogohome.Theylookedattwomorepieces.Onewasaman’shead.Theydidn’tlikeit.Theotherwasasquare,modernpiece.Thejudgeschosethemodernpiece.Thentheywenthome.

　　Thenextday,theartistreceivedaletter.Itsaidthatthejudgeshadchosenhissculpture.Butwhenhewenttoseetheexhibition,hecouldn’tseehissculptureanywhere.‘Wherecanitbe?’hesaid.‘Itmustbehere!’

　　Atlast,hesawsomethingwithhisnameonit.Itwasthesquarebaseofhissculpture.Butthetoppart,thehead,wasn’tthere.‘Itmusthavebeenamistake!’hesaid.

　　Thejudgesinsistedithadn’tbeenamistake.Theylikedthebaseonitsown,buttheythoughttheheadwasawful.

　　Lesson55Monkeybusiness

　　SomeUSscientistshaveshownthatmonkeyscanbequitecleverwithmoney.Inonestudy,themonkeysaregivensilver‘coins’,andaretaughttousethemasmoney.Theygettheideaveryfast.Themonkeyscan‘buy’piecesofappleorpiecesofbanana.Whenapieceofapplecoststhesameasapieceofbanana,themonkeysbuyeachfruitthesamenumberoftimes.Butwhentheapplepiecesgo‘onsale’,themonkeysloseinterestinbanana.Theychooseapple,becausetheygetmorefruitforthesamemoney.

　　Whenpiecesofcucumberwereofferedaswell,onegroupofmonkeysdidsomethinginteresting.Theydidn’teatthecucumberpieces.Theysawthatthecucumberpieceswerethesamesizeastheirsilvercoins.Theyhidthesilvercoinsandtriedtousethecucumberpiecesasmoney.

　　Thescientistsareveryinterested,buttheyarealsogettingabitworried.Theyhavediscoveredthatthemonkeyscanbecomeenthusiasticgamblers,too!