Interesting read: Researchers have provided evolutionary reasons on why body language is still a rich and vital part of our communication.

Sweaty palms clasping mouths in disbelief, muscled arms folded in disagreement, two fists hoisted aloft showing victory '" all these are some of the body languages that human uses to communicate their feelings.

"That position -- the arms raised high -- evokes triumph and it's very ancient,' said Margaret J. King, director of the Center for Cultural Studies and Analysis in Philadelphia. That traditional victory stance, rooted in the older, limbic portion of our brains where base emotions are fuelled, may have been flashed when the earliest humans celebrated their first conquests, King suggests.

"I'm a cultural analyst but I use anthropology and I would bet that comes from a good hunt, from having successfully hunted and killed prey,' msnbc.com quoted King as saying.