IT was considered of interest to study the effect of plant-growth substances on the production of penicillin by the mould P. notatum. Several experiments have been carried out using indole-3 ...

Much of these dense networks consist of extremely fine tubes called hyphae, which can reach lengths of 100 metres per cubic centimetre of soil. In this week’s issue, Loreto Oyarte Gálvez ...

So, in June of that year, Florey and Heatley made their way to the US, bringing with them the precious cultures of Penicillium. Their first visit was to Yale University, where John Fulton, an old ...