ALT Colourful scientific illustration of molecular structures alongside a curling film strip showing molecular simulations, against a purple and pink background, overlaid with the headline “Ingenious ‘molecular movie’ finally reveals how penicillin is made” and University of Oxford branding.

ALT Close-up photograph of an antibiotic susceptibility test in a laboratory. A white antibiotic disc labelled “CTX 30” sits at the centre of a bacterial culture plate, surrounded by a clear circular zone where bacterial growth has been inhibited. A dark blue banner at the bottom contains the text: “New type of inhibitor could help tackle resistance against ‘last-resort’ antibiotics” alongside University of Oxford branding.