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, ...

All living things adapt to survive, and bacteria are no different. Over time, some harmful bacteria have become resistant to ...

Antibiotics like amoxicillin can increase your risk of developing a yeast infection. This happens because antibiotics can ...

Antibiotic-resistant bacteria get extra nutrients and thrive when the drugs kill 'good' bacteria in the gut. This is according to new research led by Imperial College London scientists, which could ...