Antibiotic resistant bacteria are a big problem, particularly in hospitals where they can be killers. But exactly how the resistance spreads from one bacterium to others in a colony has been a mystery. Now a team of British researchers has discovered that bacteria can send messages to theirfellows to turn on their resistance genes through the air. Geoff Watts reports.
Producer Martin Redfern E-MAIL: radioscience@bbc.co.uk