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‘Brilliant’Guardian‘Fascinatingandoftendelightful’TheTimesSHORTLISTEDFORTHE2017ROYALSOCIETYSCIENCEBOOKPRIZEWhatifintelligentlifeonEarthevolvednotonce,buttwice?Theoctopusistheclosestwewillcometomeetinganintelligentalien.Whatcanwelearnfromtheencounter?InOtherMinds,PeterGodfrey-Smith,adistinguishedphilosopherofscienceandaskilledscubadiver,tellsaboldnewstoryofhownaturebecameawareofitself–astorythatlargelyoccursintheocean,whereanimalsfirstappeared.Trackingthemind’sfitfuldevelopmentfromunrulyclumpsofseabornecellstothefirstevolvednervoussystemsinancientrelativesofjellyfish,heexplorestheincredibleevolutionaryjourneyofthecephalopods,whichbeganasinconspicuousmolluscswhowouldlaterabandontheirshellstoriseabovetheoceanfloor,searchingforpreyandacquiringthegreaterintelligenceneededtodoso–ajourneycompletelyindependentfromtheroutethatmammalsandbirdswouldlatertake.Butwhatkindofintelligencedocephalopodspossess?Howdidtheoctopus,asolitarycreaturewithlittlesociallife,becomesosmart?Whatisitliketohaveeighttentaclesthataresopackedwithneuronsthattheyvirtually‘thinkforthemselves’?Bytracingthequestionofinnerlifebacktoitsrootsandcomparinghumanbeingswithourmostremarkableanimalrelatives,Godfrey-Smithcastscrucialnewlightontheoctopusmind–andonourown.