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Vernal Equinox

The vernal equinox from Latin literally means vernal=spring-like and equinox=equal night. While most people denote this day as the first...

Year of the Rat

People born in the year of the rat are quick witted and intelligent, they are ambitious, charming and very persuasive....

Moh’s Hardness Scale

Hardness is the measure of one structure hardness against another. French mineralologist proposed a relative scale to measure one substances...

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