109 research outputs found

    Sulla possibilità di un «reincantamento» darwiniano del mondo: una lettura di George Levine, Darwin loves you

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    Quest’opera su Weber nasce come volume commemorativo per celebrare i sessant’anni di Edoardo Massimill

    Un fiume di variazioni benefiche: l’evoluzione teistica di Asa Gray

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    This paper presents the american botanist Asa Gray’s «theistic evolution», founded on the idea of the compatibility between natural selection and natural theology, as it emerges from his writings on the darwinian themes and from his correspondence with Darwin. To the «orthodox presbyterian» Gray, the variations on which natural selection works, whose origin Darwin defined as «accidental», have been led «along beneficial lines» by God, the author of the design of nature

    Charles Darwin e Alfred Russel Wallace sull’origine della colorazione animale tra selezione sessuale e selezione naturale

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    This study analyzes the works and correspondence of Charles Darwin and Alfred Russel Wallace about the differences in external coloration in sexually dimorphic birds, in order to reconstruct their contrasting explanations of this subject. Darwin and Wallace started from two partially concurring hypotheses based on the combination of the theory of natural selection and the theory of sexual selection, and they ended up holding two divergent views on the coloration of animals. One of their points disagreement lies in Wallace’s reflections on the human beings’ place in nature, which accompanied his first publications on the coloration of animals
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