The book Life And Death was written by author A Albert Dastre Here you can read free online of Life And Death book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Life And Death a good or bad book?
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Betol_ furnishes a good example of this. Liquefy it at SPONTANEOUS GENERATION. 30I 100° in a sealed tube and keep it by means of a stove above 30°, and it will remain liquid almost indefinitely. On the other hand, lower its temperature and leave it for one or two minutes at 10°, and germs will appear in the liquor; prolong the exposure to this degree of heat and the number of these spontaneously appearing germs, appearing in isolation, will rapidly increase. On the other hand, you will observe ...that propagation by filiation^ that is to say, by extension from one to another — is almost absent. The temperature of 10° is not favourable to that method of generation ; and we have just seen, in fact, that it is at a tem- perature of about 70° that extension of crystallization from one to another is best accomplished. The temperature of 70° was the optimum for propagation by filiation. Inversely, the temperature of 10° is the optimum for spontaneous generation. Above and below this optimum the action is slower.
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