... evidence of such a thing as spontaneous generation; and many prominent biologists are departing from materialistic views and adopting tbe old doctrine that there is a vital principle In plants and animals entirely distinct from physical and chemical... The True Aim in Scientific Education: A Paper Read Before the Meeting of the ... - Síða 19 eftir James P. Monaghan - 1909 - 39 síður Heildartexta -
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