Only humans shed emotional tears.
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Most people smile when they are frustrated, according to a study.
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The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
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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.
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Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
Research has determined that most people are happiest at 7:26pm on a Saturday night.
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