Green Life

You know what a “cataract” is in nature. It’s a great waterfall or down pouring of water. Now why should a certain kind of eye trouble also be called a “cataract?” This is because in ancient times it was believed that this particular eye trouble was caused by an opaque film that came down like a cataract over the lens of the eye. A cataract of the eye is simply a cloudy or opaque discoloration within the lens of the eye. It may or may not interfere with vision. In fact, many people may have cataracts without knowing it.
The way people find out they have cataracts is when parts of the field of vision become blurred or cloudy. Another sign is when such a person can see better in the twilight than when the light is good. When there is less light the pupil is larger and this enables more light to enter the eye.
A cataract causes the pupil of the eye to appear gray or white instead of black. Among old people with cataracts, the pupils may become very small or contracted. When a person has total cataract, the entire lens of the eye becomes milky.

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How does it protect our eyes? One reason has to do with our eyelashes. These are the short curved hairs which are attached to each lid. Their job is to catch dust which might go into our eyes. When you walk through rain or a sandstorm, the lids automatically drop down and the eyelashes keep out foreign matter. The eyebrows, by the way, carry off rain or perspiration to a side, so that the drops won’t run into the eyes.
But the chief benefit of blinking is that this provides automatic lubrication and irrigation of the eyes. Along the edge of each lid there are twenty or thirty tiny sebaceous glands. These glands have their opening between the lashes. Every time our lids close, these glands go to work and a secretion comes out. This secretion lubricates the edge of the eye lid and the lashes, so that they wouldn’t become dry.
Here is how blinking provides “irrigation” for the eye. In each eye we have a tear gland, where the liquid that makes tears is stored. Every time we blink, the eyelid applies suction to the opening of the tear gland and takes out some of the fluid. This prevents the eye from drying out. We might say that we “cry” every time se blink our eyes!

When we drive a motor vehicle in bad weather, it is very important o have the windscreen wiper working efficiently. Yet the best windscreen wiper ever made for any car can’t compare with the “windscreen wiper” nature has given us for our eyes!
The lids of our eyes, which move up and down when we blink, are our built in windscreen wipers. The lids are made up of folds of skin, and they can be raised and lowered by certain muscles. But they move so rapidly that they don’t disturb our vision in any way.
A curious thing about our lids is that they work automatically, just as windscreen wipers do on motor-cars when they’re turned on. We blink our eyes every six seconds! This means that in the course of a lifetime, we pull them back and forth about 250 million times!

What does a toy meant to you? Is it just anything you play with; for example, two pieces of wood, a rock or a piece of cloth? While these may serve as toys sometimes, we really mean something more than that by the world “toy.” A toy is usually something to amuse children that in some way mimics what grownups do. A fun, a car or wagon, a doll, or a little house is such toys. So are balls and tops. But since children, from the beginning of time, have liked to mimic grownups, we can assume that toys have probably existed since the earliest history of man. Archaeologists have dug up in the ruins of ancient cities such a toys as clappers, rattlers, tiny pots, and miniature animals of clays, bronze, and lead. In the ruins of an ancient Persian city, they found a toy lion which stands of wheels. In the stand is a hole for a string with which to pull it, just as such a toy might be made today. And this toy is about 3,000 years old.

Puppet shows are a way to put in the picture a story or express an idea. They are not in a weak position by the limitations or live actors. For case in point, if you want a character to have a very long nose or big hands, or very short legs, or even wings, a puppet can have them not including any trouble at all. Puppets can also only 15 centimeters, and some have been made 9 or 12 meters, tall! Also, it is possible to make string puppet animals and they can be just as good actors as people!

In china, Japan, and Java puppet showmen have made figures to represent the heroes, gods, and animals of their legends and stories. In Java, Siam, and Greece they developed shadow-plays. They were made by moving cut-out figures against a vertical sheet lighted from behind. Did you know that special operas for puppets have been written by great composers like Mozart, Haydn, and Gluck? One of the best-loved of all children stories tells of the adventures of Pinocchio, a puppet who came to life. You will find many of the same puppet characters famous in different lands. Punch, the famous English Puppet, is known in Italy as Punchinello and in France as Polichinelle