When immunologists study infections, we often assume that the host's defence strategy involves mechanisms that directly attack the pathogen to block invasion or eliminate the invading microorganism.

Resistance —the opposite of support—is the price above which a security doesn’t tend to rise over a particular period of time. A resistance level—often referred to simply as “resistance”—is a price ...

Insulation failure is the root cause of many electrical conductors and equipment failures. When insulation fails, not only can equipment be damaged, but fire and shock can also result. Ideally, when ...