Since the release of the "2021 Rare Collection Selection Activity of the Literature and Information System of the Chinese Academy of Sciences" in June, we have successively received special collections recommended by a number of libraries affiliated to the academy. Every...
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![Illustration of the Natural History of Mammals in the Early Nineteenth Century (Series I)[fig]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)
Methods and Theories (1749) 1 The active forces of nature cease only when resisted by matter, which, since not all of them, belong to the type required by the organization,...
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The cluster of outbreaks that have been circulating everywhere since the end of July 2021 has brought delta, a mutant strain of the new crown virus, into the public eye. For more than a year, the epidemic has swept the world,...
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On people 1, the best method of education should be the most common method, is to follow the child's natural, not strict, step-by-step method, I mean should be taught according to the aptitude, the child's ...
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On the method of studying and expounding natural history 1, the love of studying nature should have two spirits that seem to be opposed to each other, that is, the macroscopic view of the great genius who sees everything at a glance...
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