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What is China’s Sorrow?

December 18, 2016 | Author: | Posted in Environmental

Hwang Ho, or the Yellow River, is popularly known as China’s Sorrow because of its devastating floods. This remarkable stream is one of the largest rivers in the world and is the second largest in China, being second only to the Yangtze. It has its sources in Tibet and meanders 2,700 miles through northern China. …

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Can fish hear?

December 17, 2016 | Author: | Posted in Environmental

With present knowledge this question cannot be answered definitely. Experiments have given conflicting results. Some investigators believe that certain fish do not respond to the stimuli of sound, waves, while others have obtained some reaction to such stimuli, Since different species of fish were used in the experiments, it is possible that the sense of …

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What became of the passenger pigeons?

December 16, 2016 | Author: | Posted in Environmental

Two hundred years ago the passenger pigeon, a migratory pigeon slightly larger than the turtledove, was probably the most numerous bird throughout most of the United States and southern Canada east of the Great Plains. John James Audubon and Alexander Wilson, early naturalists, reported seeing these pigeons flying in flocks seven or eight miles long, …

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Where is the Land of the Midnight Sun?

December 15, 2016 | Author: | Posted in Environmental, Science

The sun shining at midnight in the arctic or antarctic summer is known as the midnight sun. Norway is popularly called the “Land of the Midnight Sun” because this phenomenon has been more frequently observed in that region by visitors from western Europe and the United States. The description would be equally applicable to other …

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Where do elephants go to die?

December 11, 2016 | Author: | Posted in Environmental

It is often said that the remains of elephants that die a natural death are never found in their native haunts and that the question is a mystery to scientists. Numerous hunters have reported that they never have found the skeletal remains of elephants in the jungles. An Englishman, who had charge of the capture …

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Do trees die of old age?

December 5, 2016 | Author: | Posted in Environmental

No close parallel exists between trees and animals in respect to maturity and longevity. Trees do not die of old age in the same sense that higher animals and human beings do. In “The Deacon’s Masterpiece” Oliver Wendell Holmes wrote: In fact, there’s nothing that keeps its youth, So far as I know, but a …

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