Life-forms with no brain are capable of some astounding things. It might sound like sci-fi nightmare fuel, but some bacteria can wage kamikaze chemical warfare. Pathogenic bacteria make us sick by ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Dr. Aileen Marty, Infectious Disease ...

You suddenly feel sick -- pathogenic bacteria have managed to colonize and spread in your body! The weapons they use for their invasion are harmful toxins that target the host's defense mechanisms and ...