Gold doesn’t tarnish like similar metals do. A new paper says that the key is the intricate “herringbone” pattern of its atoms.

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Gold has survived in tombs, shipwrecks and museum cases with a stubborn glitter that other metals cannot match. While iron ...

Imagine leaving your shiny metal bicycle outside in the rain. As water pools on its surfaces, oxygen from the air lingers nearby, and together they begin to quietly attack the metal. The iron in the ...