Polarized light micrograph (400x) of penicillin crystals, the first commercially available antibacterial, grown in an aqueous solution. To date, the penicillins, initially derived from molds, still ...

Phase contrast micrograph of microwells from arrays containing monoclonal antibody-producing hybridomas. The small volumes of the microwells (~1 nL each) in the arrays described by Love et al. ensure ...

This is the final Newsround bulletin of 2025, but we'll be back on air on Monday 5 January 2026. In the meantime you can find all the latest stories on the Newsround website. The BFG brought to life ...