"Evidence that Little Touches Do Mean So Much"

2/23/10. NYT science writer Benedict Carey:

"...in recent years some researchers have begun to focus on a different, often more subtle kind of wordless communication: physical contact. Momentary touches, they say - whether an exuberant high five, a warm hand on the shoulder, or a creepy touch to the arm - can communicate an even wider range of emotion than gestures or expressions, and sometimes do so more quickly and accurately than words."

http://www.nytimes.com/2010/02/23/health/23mind.html?ref=science