As the temperature changes, reversible bonds form or break between the dye and other chemicals in the spheres, causing the ...

That’s right—you can clean copper with ketchup. It contains grime-fighting acid from tomatoes and salt, and acids plus salt equals a chemical reaction that works to dissolve oxidation.

Traders refer to the price of physical copper as the spot price. Because these transactions are for immediate delivery, they’re settled on the spot. Copper spot prices are typically quoted in ...

Rio Tinto Plc aims to start churning out copper from a long-delayed mining project in Arizona by the end of the decade, according to Chief Executive Officer Jakob Stausholm. “From a permitting ...

Drea de Matteo had quite the journey from cameo to series regular on Sons of Anarchy — and her role on Desperate Housewives was involved. “Sons was always meant to be a cameo on the pilot, and ...

The composition was hidden in the holdings of Germany’s Leipzig Municipal Libraries—some 280 miles north of Salzburg, Austria, where Mozart was born in 1756. By the age of 5, he was a child ...

While the old adage says ‘grade is king’, that’s not always the case when it comes to copper Most copper is produced from low grade but large scale porphyries, largely in South America But Australia ...

Copper rose as investors anticipate a potential stimulus from China, along with boosts from central banks beginning their easing cycle. Several of China’s top financial regulators, including the ...

Though not written in Mozart’s hand, the transcription, in dark brown ink on handmade paper, is believed to be a copy of his composition for a string trio, penned in the mid to late-1760s.

A Wolfgang Amadeus Mozart composition for a string trio, long believed lost or destroyed, has been discovered at a library in the German city of Leipzig, researchers say. Written in the 1760s ...