Bacteria begin to die at 149°F (65°C), but boiling water for one minute is still a good precaution. The optimal temperature to kill bacteria in food depends on the food type. Share on Pinterest ...

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, ...

Antibiotics start taking effect immediately, but you may not feel symptom relief for a few days. Antibiotics treat bacterial infections by either destroying cell walls or preventing reproduction. Some ...