Beyond creating timepieces, these horological maisons and their creations represent centuries of craftsmanship, innovation, ...

Forbes contributors publish independent expert analyses and insights. Kate Matthams Spencer is a Paris-based writer who covers jewelry.

CUPRIC ions are known to accelerate the autoxidation of dihydroxyphenylalanine. It has also been reported that the action of these ions in catalysing the oxidation of the amino-acid is much ...