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Scientific Notes.

rut a piece of soap info starch water and heat briskly until a (hick lather is formed. This prevents ■ the iron from sticking and makes a glossy surface on the linen. Soak your dish towels in water containing a little pearline, then add a tcitpotnifjil of ammonia, and boil them until thr-\- are thoroughly clean. The cloths should be treated thus twice a week. A pieee of chamois fitted to the heel and knee, bound on the edges with tape and kept' in place by an elastic, will save much mending-. (2) Use a little ox gall in washing black stockings. Dry them in the house. Young ciiuary birds should not be separated from the mother bird until they are a mouth old. Diseases which attack canary birds are usually caused hy ncsrlect on the part of the person who has thou in charge, Regular feeding, the be3t of food, a thoroughly clean cage, a warm, even temperature, and good ventilation will insure the health of birds. The following preparation is an excellent enamel for shirt fronts. One- ounce of wh'to wax, two and one-half ounci-s of spermaceti, melt together with gentle heat, thou pour in a mould to cool. The size ef a pea will be enough for two or three shirts. U«c tho iron as hot as possible. A small piece of alum dissolved in the starch will keep tho colors of calicoes. i

ACHES AND TAINS. The meaning of aches and pains will be better understood if wo consider for :i moment the- exact significance of p;;in. Everybody knows that pain is associated in sonic- way with nerves, and pcopio are often beard talking learnedly about nerves wkc-n in reality they know very little about them. Every part of the body is abundantly supplied with nerves, which' arc of two kinds—motor nerves, which carry messages from the brain to the muscles, and thereby enable us ti> move; and sensory nerves, which convey impressions to the brain from the sensory, organs, such as the eye, the ear, and the skin. The brain receives the impressions and interprets them, turning them into what we call sensations, and according to the nature of the sensation wo eail it pleasurable or painful. Wo thus see that in many cases the nerves themselves have only a subsidiary sharj in the matter; tliey eorr^epma.merely to telegraph wires, and transmit messages from one part of the body to another. If the connection be broken at any point, messages can no longer travel—for example, if the nerves of the arm were cut, we should feel no pain, even if the hand were completely burnt and destroyed. We are now in a position to understand how pain may originate. It may depend upon an unhealthy state of the brain, upon injury or diseaso of a sense organ, or sometimes it may depend upon the condition of the nerve itself. In many instances the difference between pleasure and pain depend-* simply on tho amount of stimulation which is applied. There may bo only a comparatively slight difference between the heat which warms us pleasantly and that which scorches us, giving rise to a distinctly painful sensation. The eye is specially sensitive to such differences. It i? stimulated by light, and when the light is too intense or glaring, as when the sun shines brightly after a recent fall of htsow, we soon begin to suffer from aching and paiu in the eyes.—From ' Caesell's Family Magazine.'

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Permanent link to this item

https://paperspast.natlib.govt.nz/newspapers/LCP19070307.2.7

Bibliographic details

Lake County Press, Issue 2159, 7 March 1907, Page 2

Word Count
580

Scientific Notes. Lake County Press, Issue 2159, 7 March 1907, Page 2

Scientific Notes. Lake County Press, Issue 2159, 7 March 1907, Page 2