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This country owns up to 90% of the global reserves. A small bean-sized stone costs up to 255 million VND.

Astronomers believe that hidden deep inside the pits of Mars's surface may be gems that contain traces of fossil life. Now, for the first time, scientists have discovered the

To do so, the researchers first used a thin sheet of about 1 cm square opaque and filled a modified gel to react with ethanol in the breath.