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Science in the Roman Empire period was concerned with systematizing knowledge gained in the preceding Hellenistic period and the knowledge from the vast areas the Romans had conquered. It was largely their work that would be passed on to later civilizations. Of especial importance is the Naturalis Historia of Pliny the Elder published in 77 AD, one of the most extensive compilations of the natural world that survived the Dark Ages. Pliny does not simply list materials and objects but also seeks explanations of phenomena. Thus he is the first to correctly describe the origin of amber as being the fossilized resin of pine trees. He makes the inference from the observation of trapped insects within some amber samples. The Naturalis Historia divides neatly into the organic world of plants and animals, and the realm of inorganic matter, although there are frequent digressions in each section. He is especially interested in not just describing the occurrence of plants, animals and insects, but also their exploitation (or abuse) by man. The description of metals and minerals is particularly detailed, and valuable as being the most extensive compilation still available from the ancient world. Although much of the work was compiled by judicious use of written sources, Pliny gives an eye witness account of gold mining in Spain where he was stationed as an officer. Ptolemy systematized the study of astronomy, drawing on the work of his predecessors to build astronomy upon a secure empirical basis and to demonstrate the relationship between astronomical observations and the resulting astronomical theory. His Almagest defined the method and subject matter of future astronomical research and the Ptolemaic system became the dominant model for the motions of the heavens.[29] In like manner, the Roman-era physician Galen codified and somewhat built upon Hellenistic knowledge of anatomy and physiology. His careful dissections and observations of dogs, pigs, and barbary apes, his descriptions (based on these and the works of earlier authors) of such structures as the nervous system, heart and kidneys and his demonstrations that, for instance, arteries carry blood instead of air became a central part of medical knowledge for well over a thousand years. However, even though science continued under the Roman Empire, Latin texts were mainly compilations drawing on earlier Greek work; advanced scientific research and teaching continued to be carried on in Greek. Meanwhile, such Greek and Hellenistic works as survived were preserved and developed in the Byzantine Empire and in the Islamic world. Late Roman attempts to translate Greek writings into Latin had limited success and direct knowledge of most ancient Greek texts only reached western Europe from the 12th century onwards.[30] |
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