Not too long ago, I was searching for ideas for the next installment of the “Big Chemistry” series when I found an article ...

A mineral called siderite found abundantly in rock drilled by a NASA rover on the surface of Mars is providing fresh evidence ...

A mineral called siderite found abundantly in rock drilled by a NASA rover on the surface of Mars is providing fresh evidence of the planet's warmer and wetter ancient past when it boasted substantial ...

Its presence in sedimentary rocks formed billions ... which drills 1.2 to 1.6 inches (3-4 centimeters) down into rock to study its chemical and mineral composition, lend weight to this notion.

The samples obtained by Curiosity, which drills 1.2 to 1.6 inches (3-4 centimetres) down into rock to study its chemical and mineral ... The Gale crater sedimentary rocks — sandstones and ...

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