Only humans shed emotional tears.
331
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Most people smile when they are frustrated, according to a study.
15
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Elephants are among the most emotional creatures in the world - they have even been known to rescue other animals, such as trapped dogs.
25
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
People who laugh more are better able to tolerate pain - both physical and emotional.
36