Thedevelopmentof"Curiosity:TheQuestionsofOurLife",wasannouncedinSeptember2009.Itwastoanswerquestionsandmysteriesinfieldslikespace,biology,geology,medicine,physics,technology,nature,archaeology,history,andthehumanmind.ItwasconsideredasagroundbreakingseriesforDiscoveryliketheBBC'sPlanetEarthandLife.Originally,thisserieswastobeamonthlyshowairing12one-hourepisodeseachyearfor5yearsbeginninginJanuary2011.DanRiskinwasinitiallyslatedtohost.