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How old is the earth?

Summary

One of Darwin’s chief difficulties in making converts to his views, was convincing a sceptical public, and some equally sceptical physicists, that there had been enough time since the advent of life on earth for the slow process of natural selection to…

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  • … Darwin explained his dilemma to the Scottish geologist, James Croll: ‘ I am greatly troubled at the …
  • … life over a very long preceding timespan.   Although Croll responded thoughtfully, suggesting …

Darwin in letters,1866: Survival of the fittest

Summary

The year 1866 began well for Charles Darwin, as his health, after several years of illness, was now considerably improved. In February, Darwin received a request from his publisher, John Murray, for a new edition of  Origin. Darwin got the fourth…

Matches: 4 hits

  • … volume), drawing Darwin, Hooker, and the botanist Charles James Fox Bunbury into the discussion of …
  • … arguments, such as that of the Scottish autodidact James Croll, who traced the glacial epoch to a …
  • … made by the editor of the  Quarterly Journal of Science , James Samuelson, in his letter of 8 …
  • … One of the officers on the  Beagle  voyage, Bartholomew James Sulivan, wrote on 25 December of …