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Humans are the most advanced and intelligent species in the universe, their greatest work is Science.
The word science comes through the Old French, and is derived from the Latin word scientia for knowledge.

Science is reasoned-based analysis of sensation upon our awareness. As such, the scientific method cannot deduce anything about the realm of reality that is beyond what is observable by existing or theoretical means. When a manifestation of our reality previously considered supernatural is understood in the terms of causes and consequences, it acquires a scientific explanation.

Some of the findings of science can be very counter-intuitive. Atomic theory, for example, implies that a granite boulder which appears a heavy, hard, solid, grey object is actually a combination of subatomic particles with none of these properties, moving very rapidly in space where the mass is concentrated in a very small fraction of the total volume. Many of humanity's preconceived notions about the workings of the universe have been challenged by new scientific discoveries. Quantum mechanics, particularly, examines phenomena that seem to defy our most basic postulates about causality and fundamental understanding of the world around us. Science is the branch of knowledge dealing with people and the understanding we have of our environment and how it works.

Many of our problems have been solved because of Science. Inventions like Telephone, Internet, Mobile help in communicating over long ranges;
Traveling has become easier, Better Food products can be obtained.
Medically Science has developed a lot, these days there is a cure or atleast a prevention for almost every diseases. In short we totally depend upon these things.

But there is an evil side of Science , like the inventions of atomic bomb by Alfred Nobel, Gun by Samuel Colt, many chemicals & chemical weapons, these hazardous inventions have...