Extracting gold from ore is a poisonous business. The most common method is cyanide leaching, where cyanide salts in solution are used to suck the gold out from its ore. You get gold, but you also get ...

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The First Church of Christ, Scientist, and we’ve always been transparent about that. The church publishes the ...

DIY gold recovery from sand is often misunderstood, but real techniques rely on proven methods like panning, sluicing, and ...

An interdisciplinary team of experts in green chemistry, engineering and physics at Flinders University in Australia has developed a safer and more sustainable approach to extract and recover gold ...

Sodium bromide was proposed to activate TCCA by nucleophilic attack to generate bromine monochloride (BrCl), which could hydrolyse to hypobromous acid (HOBr) and hydrochloric acid (HCl). The ...

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ETH Zurich researchers have developed a sustainable method to recover gold from electronic waste. The method uses a sponge made from denatured whey proteins that selectively adsorb gold ions. The ...

An aerogel made from old milk can extract highly pure gold nuggets from discarded computer motherboards and other electonics.

Aguia Resources has cut costs and boosted grades at its Colombian gold project, which is now feeding gold to its recently improved plant at more than 10g/t.