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Iran ranks 2nd in production of decorative stones
Iran ranks second in the world in the production of decorative stones, said the head of Iran's Mines House on Tuesday.
Generations of macaques used stone tools to open nuts
New research suggests the wild macaques of coastal Thailand have employed stone tools to pry open oysters and nuts for several generations.
Calcium supplements tied to kidney stone risk
People with a history of kidney stones may have a higher risk of recurrence if they use calcium supplements, a new study finds.
West Azarbaijan annual decorative stone exports hit 800,000 tons
The Ministry of Industries, Mines and Trade announced that West Azarbaijan province exports 800,000 tons of decorative and façade stones per annum.

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