Top tips from David Boyce and his class, who have cultivated a 3kg single copper sulfate crystal A classic school experiment involves growing copper sulfate crystals. Allowing water to slowly ...

Copper has emerged as an ally in the battle against antibiotic-resistant bacteria. Copper sulfate liquids, for example, have been used since the 1700s to control fungal infections in vineyards, ...

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While Boyce’s crystal may be the largest single crystal of copper sulfate, students at the Kurfrüst-Ruprecht-Gymnasium in Germany hold the record for overall size. Their polymorphic crystal reached a ...

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It’s hard to reckon exactly when in history humans became a technological species. Part of that is because the definition of technology is somewhat subjective; if you think making a stick pointy ...