An insect is an air breathing animal with a hard jointed exoskeleton, and in the adult a body divided into three parts, the head with one pair of antennae, the thorax which carries three pairs of legs and usually two pairs of wings, and the abdomen which contains the guts and reproductive organs. A fuller discription of the various bits that make up an insect can be found in the Basic Anatomy file.
The subject of ancient reckoning of time and space can only be inferred from the logic of numbers, with very few exceptions of data in the historical record. Many historically significant numbers exist in the historical record of different ancient cultures. But, the method for computing those numerical results remains a theme of speculation. Many of the ancient Babylonian clay tablets that exist reflect specific mathematical and geometrical problems, much like a school textbook of today. However, notebooks of the scientists who computed the astronomical meandering of the bodies in our solar system have yet to be found.
Planetary and Space Science publishes original articles as well as short communications (letters). Ground-based and space-borne instrumentation and laboratory simulation of solar system processes are included.
The Paleontological Research Institution, or "PRI", is a natural history museum with a mission incluing both research and education.
In research, PRI's claim-to-fame is one of the largest research collections of fossils in North America, publication of one of the longest running technical journals in paleontology in the Western Hemisphere, and a large interdisciplinary library.
In 1990 Princeton University divided Biology into the Departments of Ecology and Evolutionary Biology and Molecular Biology. Since then we have grown and now consist of 18 faculty, approximately 35 graduate students and about 100 undergraduate concentrators. Our offices and laboratories are located in Guyot and Eno Halls, but our research often takes us to field sites in Africa, Asia and parts of North, Central and South America.
Studies in History and Philosophy of Science is devoted to the integrated study of the history, philosophy and sociology of the sciences. The editors encourage contributions both in the long-established areas of the history of the sciences and the philosophy of the sciences and in the topical areas of historiography of the sciences, the sciences in relation to gender, culture and society and the sciences in relation to arts. The Journal is international in scope and content and publishes papers from a wide range of countries and cultural traditions
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Philosophy of Science Events BSPS and other meetings
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The British Journal for the Philosophy of Science
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Scientific Papers
Durham University Observatory Manuscripts
Astronomical and meteorological records (mainly collected at Durham Observatory, founded 1839)
Thomas Wright Manuscripts
Thomas Wright (1711-1786) of Byers Green, Co Durham, astronomer, architect and antiquary
Thomas Wrightiana
Items related to Thomas Wright (1711-1786) of Byers Green, Co Durham, astronomer, architect and antiquary
For Collection descriptions of all manuscript, photographic and other non-book material, click here...
The ancient Egyptians were possibly the first civilisation to practice the scientific arts. Indeed, the word chemistry is derived from the word Alchemy which is the ancient name for Egypt.
Where the Egyptians really excelled was in medicine and applied mathematics. But although there is a large body of papyrus literature describing their achievements in medicine, there is no records of how they reached their mathematical conclusions. Of course they must have had an advanced understanding of the subject because their exploits in engineering, astronomy and administration would not have been possible without it.
The Branch Line Society, founded in 1955, is a society of around 900 railway enthusiasts with particular interests in branch line and secondary railways world-wide. The Society's principal activities are the publication of a twice-monthly newsletter and organisation or support of external visits.
