On Molecular and Microscopic Science, Volume 1 (of 2) cover

On Molecular and Microscopic Science, Volume 1 (of 2)

by Mary Somerville

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Excerpt from On Molecular and Microscopic ScienceExternal heat is no less essential to animals than to vegetables; the development of a germ or egg is as de pendent on heat as that of a seed. The amount of heat generated by respiration and that carried Off by the air is a more or less constant quantity; hence, in hot countries, rice and other vegetable diet is sufficient.

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