On the basis of observational and experimental evidence. several authors have proposed that contagious yawn is linked to our capacity for empathy. thus presenting a powerful tool to explore the root of empathy in animal evolution. The evidence for the occurrence of contagious yawning and its link to empathy. https://www.spidertattooz.com/Essie-Tea-Crumpets-0-5-oz-325-p15557/