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A team of Yale University scientists has engineered the cell wall of the Staphylococcus aureus bacteria, tricking it into incorporating foreign small molecules and embedding them within the cell wall.

Using the same technology found in clothing tags used in retail store tracking systems, a study from the University of North Carolina at Chapel Hill shows that surgical sponges with implanted radio frequency (RF) tags may be an effective adjunct to manual counting and X-ray detection in preventing sponges from being left behind in patients following a surgical procedure.