The coronavirus has upended our daily lives, causing anxiety, denial for some, and spreading fear that at times approaches panic. Yet it’s important to understand the psychology of emotional contagion ...

So how can horses smell our fear? Well, human emotions come with physiological changes. When people experience fear or stress, their body, face and voice changes. Their body also releases hormones ...

Some encounters leave us inexplicably tired, as if the energy has been literally sucked out of us. This phenomenon could be explained by a very real psychological mechanism: emotional contagion.