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The Caddis Flies – Builders of Houses

Do I want to observe nature, my Father’s world, at its very best? An excellent method is to seat myself in some peaceful place and await quietly what may happen. There is no better place on a warm summer day than beside some glistening and rippling woodland pool. As we gaze into the depths of […]

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Rocket Power

In this age of alphabetized terms such as ICBM, IRBM and a myriad of agencies controlling or working with missiles, we are all aware of the fact that there is a phenomenon called rocket power or rockets. Each week brings the news of another success or attempt to shoot a missile into space by the […]

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Our Dangerous Age

“FOUR HUNDRED MILLION years ago the spot where you and I are now standing may have been a coral reef in some warm inland sea which may have been a branch to the now cold Arctic Ocean.” In this manner one of the texts used in our own Protestant Reformed Schools introduces the unit on […]

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Gravity

In the last article on weight an attempt was made to treat this law or principle of gravity from a more practical approach. In this article I would like to state some of its theoretical aspects that are of concern in the study of the universe about us. In that article the distinction between mass […]

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The Giant Hopper from the “Island Continent”

Synonymous with the island continent of Australia is that interesting animal which you see depicted in this issue of Beacon Lights. The kangaroo is so much a part of Australia that the “giant hopper” is an integral part of the great seal and coat of arms of the continent and dominion of Australia. The kangaroo […]

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The Color of Animals

The coloration of animals has long been a matter of controversy between the two groups of biologists, the naturalists and the physiologists. The naturalist has maintained that coloration in animals is entirely purposive and that colors and color patterns of animals are produced by some directive force or forces for purposes of security. The physiologists […]

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Instinct and Learning

In our study of the learning process of animals and human beings, we must be very careful so that we do not relate the two in such a way that we forget the fundamental differences between them. Man is a rational-moral being and as such, he is going to behave differently from the animal. According […]

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Instinct

Instinct is inherited behavior. It is the part of behavior with respect to which animals are born fully educated. It is automatic and instantaneous in action. It is common to all members of a species; in matters of vital importance, all tend to act alike. It is by instinct that birds build their nests, and […]

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Ants

You have heard of women aiding an army, and in a few cases women have been reported as fighting along with the men. There is an army in nature which never contains any males. As long as ants have lived, they have had armies and the ant soldiers have always been females. The male ants […]

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Nature Study

In this spring time of the year, the phenomenon of autumn colors is perhaps very far from our thoughts. As life begins anew, we are not too anxious to contemplate that wonder of plant life that awes us in the fall. The daffodils and crocuses (crocus’?) have already burst forth into yellow and purple; the […]

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