There are several good reasons gold is one of the most valuable metals on Earth. Not least of those is its glistening shine.

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

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An iron pillar placed in the UNESCO-listed Qutub Minar complex in New Delhi has long fascinated scientists for surviving over 1,600 years without rust. Standing tall at 7.2 metres and weighing six ...