If the bacteria with which someone is infected are antibiotic-resistant, physicians need to know so as soon as possible, so they can take the appropriate action. A simple new system could help, by ...

This illustration represents a bacteria being illuminated with mid-infrared in the top left, while visible light from a microscope underneath is used to help capture the image. A team at the ...

Gram staining is one way scientists can identify bacteria. Gram-positive bacteria, such as Staphylococcus, appear blue or purple under a microscope when scientists apply a stain. Conversely, ...