It has since revolutionised medical science, saving millions of lives. Three thousand years before penicillin, moulds and fermented materials had been used to cure various skin infections ...

The result is that common infections that were once easily treatable are becoming more difficult to cure and in some cases ...

The penicillin loved it, and yielded almost 500 times as much as it had before. More vigorous and productive strains of the mold were sought, and one of the best came from a rotting canteloupe ...

An old solution, discovered over a decade before penicillin, is experiencing a resurgence in interest. Bacteriophages (phages) – viruses that specifically kill bacteria – were discovered in the early ...