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Physica

Physica, Physics by Aristotle 384 BC – 322 BC. When the objects of an inquiry, in any department, have principles, conditions, or elements, it is through acquaintance with these that knowledge, that is to say scientific knowledge, is attained. For we do not think that we know a thing until we are acquainted with its […]

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Discourse on Floating Bodies

Considering (Most Serene Prince) that the publishing this present Treatise, of so different an Argument from that which many expect, and which according to the intentions I proposed in my [A] Astronomicall Advisor, I should before this time have put forth, might peradventure make some thinke, either that I had wholly relinquished my farther imployment […]

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The Mathematical Principles of Natural Philosophy

The Mathematical Principles of Natural Philosophy – English Translated version of Philosophiae Naturalis Principia Mathematica by Sir Isaac Newton THAT the PRINCIPIA of Newton should have remained so generally unknown in this country to the present day is a somewhat remarkable fact ; because the name of the author, learned with the very elements of […]

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On the Origin of Species By Means of Natural Selection

On the Origin of Species By Means of Natural Selection, or, the Preservation of Favored Races in the Struggle for Life. When on board H.M.S. ‘Beagle,’ as naturalist, I was much struck with certain facts in the distribution of the inhabitants of South America, and in the geological relations of the present to the past […]

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The Voyage of the Beagle

I have stated in the preface to the first Edition of this work, and in the “Zoology of the Voyage of the Beagle,” that it was in consequence of a wish expressed by Captain Fitz Roy, of having some scientific person on board, accompanied by an offer from him of giving up part of his […]

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The Scientific Outlook

To say that we live in an age of science is a common- place, but like most commonplaces it is only partially true. From the point of view of our predecessors, if they could view our society, we should, no doubt, appear to be very scientific, but from the point of view of our successors […]

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Seaside Studies in Natural History Marine Animals of Massachusetts Bay

This volume is published with the hope of supplying a want often expressed for some seaside book of a popular character, describing the marine animals common to our shores. There are many English books of this kind; but they relate chiefly to the animals of Great Britain, and can only have a general bearing on […]

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Natural History in Anecdote

Illustrations are like windows to the house of knowledge. They let light in upon the understanding, and they facilitate the outlook upon truth and beauty. To illustrate is to help one sense by the use of another, to reason by analogy, and to teach the unknown by the known. When definition fails, illustration often carries […]

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