Mary Roach
Saliva has antibacterial properties. It also has things called nerve growth factor, skin growth factor, histatins which help with wound closure. So when you see an animal licking a wound or even a mom kissing a child's boo-boo, there's some, there's some good science behind why one might do this.
More quotes and aphorisms
It is the set of the sails, not the direction of the wind...I liked myself better when I wasn't me...Discipline is the soul of an army...Without my dad, I wouldn't be here...The fairest thing in nature, a flower, still has its roots...For a short time we lived quietly. But this could not last...