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Updated: September 12, 2025
There is no chemical difference between the products of canes and beets. Sugars can not be utilized by the blood until it has changed them into other forms of sugar. The use of sugar is rapidly increasing. Several centuries ago it was used as a drug. It was doubtless as effective as a curing agent as our drugs are today.
During the early period the Royal Society Committee of Physiology became active and was later very closely co-ordinated with the Chemical Warfare Department, as the Chemical Warfare Medical Committee. Munitions Inventions Department.
The monkey is dead." "I am glad to hear it." "Why?" "I thought the creature was living in pain." "What do you mean?" "I mean that I heard a moaning " "Where?" "In the building behind your house." "You heard the wind in the trees." "Nothing of the sort. Are your chemical experiments ever made on animals?" The doctor parried that direct attack, without giving ground by so much as a hair's breadth.
And to Stephen it was no less strange to be walking over a muddy road of the prairie with this most singular man and a newspaper correspondent, than it might have been to the sub-terrestrial inhabitant to emerge on the earth's surface. Stephen's mind was in the process of a chemical change: Suddenly it seemed to him as if he had known this tall Illinoisan always.
They are extremely sensitive to heat, light, electricity, and the chemical actions of foreign elements; that is, they are peculiarly liable to be modified by disturbing forces. Hence then it follows, a priori, that a homogeneous aggregate of these unstable molecules will have an excessive tendency to lose its equilibrium.
We will assume that science has done its utmost; and that every chemical or animal force is demonstrably resolvable into heat or motion, reciprocally changing into each other. I would myself like better, in order of thought, to consider motion as a mode of heat than heat as a mode of motion; still, granting that we have got thus far, we have yet to ask, What is heat? or what is motion?
In the Brunonian movement of matter in solution, in crystallization, in chemical affinity, in polarity, in osmosis, in the growth of flint or chert nodules, in limestone formations like seeking like in these and in other activities, inert matter seems dreaming of life. The chemists have played upon this tendency in the inorganic to parody or simulate some of the forms of living matter.
You are well aware that chemical preparations exist, and have existed time out of mind, by means of which it is possible to write upon either paper or vellum, so that the characters shall become visible only when subjected to the action of fire. Zaffre, digested in aqua regia, and diluted with four times its weight of water, is sometimes employed; a green tint results.
There appeared to be at times a change engendered when a large quantity of chemicals were mixed which was not manifest in a small and experimental batch. So Tom wanted to mix up a big tank of his new chemical compound and see if it would work in large quantities as well as it did with the small amount Ned had dropped on the blazing tree.
That is a somewhat unkind way of putting it; but undoubtedly theory after theory is put forward, and often claimed to be final, only to disappear when another explanation takes its place. Thus at the moment we are in the full flood of the chemical theory which is employed to explain inheritance. That heredity exists we all know, but so far we know nothing about its mechanism.
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