PBS
Pbs: This Emotional Life: Happiness
PBS features in-depth information on the pursuit of happiness including topics such as helping yourself, helping others, and how to achieve it.
TED Talks
Ted: Ted Ed: What Is Love?
Is love a signal winding through your neural pathways? A cliche? A cult? Brad Troeger takes a shot at the definition of love. [4:50]
Khan Academy
Khan Academy: Why Do We Believe That There Are Universal Emotions?
Questions related to universal emotions that can be used for test prep for the MCAT.
Other
Noteaccess.com: Emotion
This site from Noteaccess.com defines emotion, gives summaries of the main theories of emotions, identifies the eight primary emotions according to Robert Plutchik, and breifly discusses body-language.