Horses have incredible hearing, with the ability to hear the heartbeat of a human from four feet away. In the wild, horses will synchronize their heartbeats to the other horses in the herd in order to sense danger more quickly. Studies have shown that domesticated horses will also use this tactic when interacting with humans, synchronizing to our heartbeats, thus sensing slight adjustments in our mood.  HAPI Trails has used a similar technique when working with troubled horses, consciously calming…