Conflict Between Two Desires
Montana and Cherree had completed their nest. Three eggs had been laid and one nestling hatched. It was almost time for the youngster to leave the nest, when the urge came to Cherree to rear another brood. She examined the old nest; decided, apparently, that a little building up of the edge would make it as good as new. That the baby was not quite ready to leave did not seem to bother the mother bird.
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The “Paraboloid of Revolution”
The work of pioneering solar scientist Dr. Charles G. Abbot’s received far-flung recognition and publicity after his invention of the solar oven in 1941. But despite his optimism, the power experts shook their heads. It was not enough merely to equal the effectiveness of standard sources of power. “He’ll have to do better than that,” was the dictum of Professor C. C. Furnas of Yale University. Meanwhile, in Russia, they were experimenting at Sun laboratory at the Massachusetts Institute of Technology, where research on the utilization of solar radiation for house heating is being carried on.
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An Exceedingly Handsome Bird
For a number of years Doris Huestis Speirs had carried on intensive studies of the Evening Grosbeak in their natural habitat, from New Hampshire to California, and in captivity at the Vivarium of the University of Illinois. Wishing to make an intimate study of their nesting behavior, a study that seemed almost impossible in the wild state, Mrs. Speirs brought to me, late in May, 1942, two male evening grosbeaks, in the hope that we might mate them with the females already in the summer aviary.
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Dr Abbot’s Solar Oven
Lost tonnages of atomic helium plunge from the sun in every direction as radiant energy every second. Our earth, a kind of pinhead in space, intercepts only one two-billionths of the total solar output. This nevertheless equals, in three minutes’ time, the United States’ annual consumption of power from all sources. In other words, in a single hour the earth receives solar power equivalent to that produced by the burning of twenty-one billion tons of bituminous coal.
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Forty Thousand Feet Skyward
If we are to perish eventually by atom blast, we should realize that we also live by it. Nothing in our ordinary lives is commoner than atomic fission. Only a person congenitally and totally blind can honestly say that he has never seen an atomic explosion. For this is what happens on the sun, on a scale so vast that it eludes our ability to visualize, much less comprehend. Were you impressed by the world-shaking column of heat and light that reared itself forty thousand feet skyward over Hiroshima and Bikini? Consider, then, that solar “prominences,” flaring half a million miles into space, are commonplace on the mother-star.
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A Land of Flowers
California is truly is a land of flowers. Snow-flowers bloom in the high Sierras, and Verbenas bloom in the sands of the beach. Between the snow-flower and the verbena there are thousands of other flowers, each in its place and each blooming in its time.
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Blossoms – White and Beautiful
During the period of rapid growth of the Californian yucca plant, small, white overlapping leaves cling to the body of the stem. As the stem’s diameter increases, spaces develop between the leaves until, at last, they arc two or three inches apart. Now, for thirty-six or forty-eight hours, the leaves grow very fast.
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The Voices of Australia’s Forest Ghosts
Australia is yet too young a country to have many historical ghosts, except maybe those of bushrangers. She has had no Loch Ness monster, the nearest being a mythical animal called the “bunyip,” created to solve the mystery of an unusual track found in an area of country shunned by domestic animals. Nevertheless Australia has her own “haunted woodlands,” where thousands of tiny voices whistle, whine and whisper, although there may not be a human being within miles.
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Not at All Satisfied
Evening Grosbeaks Tina nor Cherree were not at all satisfied with the nesting material first given them. Twigs of various kinds were picked up and discarded; none seemed to suit. It was then suggested by Mrs. Speirs that I try supplying them with the same kinds of material they use in their far northern home. I collected brittle pine twigs, and ripening shepherd’s purse, from which I stripped the seed heads. These, cut into six-inch lengths, were scattered on the ground with the pine twigs.
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An Overview of Orchid Species
This article discusses the two orchid types and most popular species among these groups. The terrestrial orchid type primarily grows beneath soil while the epiphytic orchids fare better above ground with exterior roots systems.
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