940 resultados para History and philosophy of science


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A French biologist who moved in Surrealist circles, Jean Painlevé began making films about underwater creatures in 1927, and by 1982 had created over two hundred films on a broad range of natural, scientific, and political subjects. His underwater films remain the most ethereal and poetic works in his oeuvre, and he specifically used cinema to capture the mystery and wonder of nature.

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1829 (July - Dec.)

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The origin and modification of novel traits are important aspects of biological diversification. Studies combining concepts and approaches of developmental genetics and evolutionary biology have uncovered many examples of the recruitment, or co-option, of genes conserved across lineages for the formation of novel, lineage-restricted traits. However, little is known about the evolutionary history of the recruitment of those genes, and of the relationship between them -for example, whether the co-option involves whole or parts of existing networks, or whether it occurs by redeployment of individual genes with de novo rewiring. We use a model novel trait, color pattern elements on butterfly wings called eyespots, to explore these questions. Eyespots have greatly diversified under natural and sexual selection, and their formation involves genetic circuitries shared across insects.

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Each part also published separately, 1915 and 1916 respectively.

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I. From Homer to Omar Khayyam.--II. From Rabbi Ben Ezra to Roger Bacon, pt. 1-2.--III. Science and learning in the fourteenth century, pt. 1-2.

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Mode of access: Internet.

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Mode of access: Internet.

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Contains reference lists and notes.

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Description based on: 1889/90.

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Includes bibliographies.

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Contains reference lists and notes.