Amid a summer movie season drenched in high-tech hoo-ha, the most memorable special effect may be a pimple due north of Bill Murray’s nose. A big, glowering full moon, it pulsates ominously, ...

Your body is home to a microbiome full of bacteria, pathogens, fungi, and viruses. Typically, they don’t cause any harm. But sometimes, microorganisms can cause disease. You can also contract ...