Nearly half of Mars dust consists of silica, which on Earth is known to cause silicosis, an incurable lung disease that progressively scars lung tissue. The Martian silica particles measure about 3 ...

Established in 1931, the Gemological Institute of America (GIA) is the world’s foremost authority on diamonds, colored stones, and pearls. A public benefit, nonprofit institute, GIA is the leading ...

beryllium sulfate tetrahydrate 1% aqueous, nickel sulfate hexahydrate 2.5%, cobalt sulfate 1%, and gold chloride 0.5% in alcohol. These late readings increased our detection rate for allergic ...