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Zustand: New. 578, 500+ col photos, distribution maps. 210x150mm. PB. NEW. . Text English. Enables identification of 382 species and subspecies. Over 500 original colour photographs illustrate specimens in the field together with anatomical details for each taxon. [9788890332395].

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Zustand: New. KlappentextrnrnIn 1692, Newton wrote: That gravity should be innate, inherent and essential to matter so that one body may act upon another at a distance through a vacuum, without the mediation of anything else by and through which their action.

Taschenbuch. Zustand: Neu. Neuware - In 1692, Newton wrote: 'That gravity should be innate, inherent and essential to matter so that one body may act upon another at a distance through a vacuum, without the mediation of anything else by and through which their action or force may be conveyed from one to another, is to me so great an absurdity that I believe no man who has in philosophical matters any competent faculty of thinking can ever fall into it. Gravity must be caused by an agent acting constantly according to certain laws, but whether this agent be material or immaterial is a question I have left to the consideration of my readers'. One of them who, just over 200 years later, picked up the baton of Newton was Albert Einstein. His General Theory of Relativity, which had its centenary in 2015, opened up new windows on our comprehension of Nature, disclosed new, previously unpredictable, phenomena occurring when relative velocities dramatically change in intense gravitational fields reaching values close to the speed of light and, for the first time after millennia of speculations, put Cosmology on the firm grounds of empirically testable science. This Special Issue was dedicated to this grand achievement of the human thought.

Grasshoppers & Crickets of Italy is a photographic field guide to the 384 species of Orthoptera known from this country. The book is richly illustrated with colour photos of live insects in their natural surroundings, as well as numerous close-up shots of diagnostic morphological details, line drawings to further clarify these, sonograms for selected species, and colour distribution maps. Verona. World Biodiversity Association. 578 pp., color photos, b/w line drawings, color distribution maps, flexibound gr. 8 [15.5 x 21.5 cm].