Research index·Journal articleNotesNature·1 Nov 1884NobleIDark:/48914/w1/20260516/6BC5C456DOI10.1038/031040a0Journal articleNotesNature · 1884 · SubscriptionNobleIDark:/48914/w1/20260516/6BC5C456DOI10.1038/031040a0ReadRead at the publisherSaveCiteAdd to literature reviewPaywalledThe full text is at the publisherOpen it at the publisher to read it.Read at the publisherDiscussionAdd to the discussionTopicsGeorge (robot)PhilosophyAstronomerBiographyClassicsHumanitiesTheologyArt historyRelated papersMoreDetailsPublished, publisher, issueSuggest a correction or report