An antibiotic made from metal

Antibiotic resistance occurs when bacteria evolve to sidestep the drugs we use to kill them. With resistance rising, we could be facing an "antibiotic apocalypse", where even trivial infections become untreatable. What's worse, almost no new antibiotics are being developed by the major pharmaceutical companies. Now, though, Kirsty Smitten has uncovered a new option based on the heavy metal ruthenium. It can destroy antibiotic resistant bacteria, including those known as gram negatives, traditionally regarded as much harder to treat...