gold toxicity

The chemical symbol for the metallic element gold is Au, taken from the Latin word aurum meaning 'shining dawn'. In the Periodic Table of Elements it occupies a companionable neighborhood of other metals, tucked neatly between platinum (Pt) and mercury (Hg). But as origin of its chemical symbol indicates, we've long found difficult to be prosaic about an element that possesses such a sunlit beauty. People have been creating ornaments of gold for more than 5,000 years; whole myths have been created about it, such as the ancient Greek tale of King Midas, who loved gold so much that he persuaded…