Search for unknown is only goal of curious human mind. The inquiry to recognize phenomenon behind each process is part of human behavior from primitive times. The whole pursuit of science is to understand nature in a simple and single theory. Ultimate theory must be able to define each event of this nature and then universe clearly. Current science has taken mathematics as a base to understand the nature around us.
There is mutual relationship among each unit in the nature. Everyone is connected and interdependent on each other for his survival in nature. But each unit is diverse from each other and categorized in different species. Their population must be taken in account with considering the habitat. Currently, million of species plants and animals exist at present. This shows permutation and combination of millions of parameter interdependent on each other on mathematical scale.
Nectar of discussion lies in process not in details. This balance of nature is dynamic in nature. It is propelled in each plant and animal through evolution. Scientists try to explain forming of this complex system through chaos theory. Survival of life in the form of various organisms with the phases of extinction, adaptation and evolution seems to be lucky chance. From our current knowledge, it appears to be chance of very low probability than a well understood process.
Issues around width of railway gauges..
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