Humans have been getting infected by ancient bacteria and viruses for at least 37,000 years. Now, for the first time, ...

Neutrophils are the most abundant type of immune cell and serve as the immune system's first responders. One of their key ...

A single β-lactam exposure rapidly drives stable multidrug resistance in RecA-deficient bacteria through an SOS-independent mechanism involving oxidative stress-induced mutagenesis and ...

In the vast and often unseen world of microscopic life, a recent discovery may force scientists to rethink what it means to ...

A study of twins reveals two gut bacteria linked to multiple sclerosis, offering new targets for future treatments.