Fear affects us all in some way; no one is completely immune from its icy clutches. It comes in all shapes and sizes, from a fear of tiny insects up to the fear of Death. Like all human traits, it evolved for a useful purpose, namely, to keep us safe from harm. Curiosity might tempt us to take all types of risks; fear holds us back.Of all our emotions, it is possibly the most basic and motivating. In some cases the motivation is to face it down and...