Elsa's anxiety causes her ice powers to be accidentally unleashed after a confrontation with her sister Anna in front of the kingdom's citizens and foreign guests.

Sadness allows Riley to release her built up stress and anxieties by opening up to her parents about missing their old home and friends.

Riley is introduced as the new student in her class and recalls her life in Minnesota.

Scientists are trying to understand how the brain forms and processes emotions. They are conducting research on the brain patterns of positive and negative emotions to understand the brain a little bit better.

Our everyday reality is shattered when people are in love. It reflects people's longing for passion in their lives.