Latest Zygomaticus major muscle Stories
A new study released by students in the department of psychology at the University of California in San Diego shows the action of returning a smile is determined by station and sense of security.
Louis Armstrong sang, "When you're smilin', the whole world smiles with you." Romantics everywhere may be surprised to learn that psychological research has proven this sentiment to be true â€” merely seeing a smile
- In medieval musical notation, a sign or neume denoting a shake or trill.