Often! Hey, I have practised mind thoughts for about 30 years and know that say Russia, who teaches their children psy power in first grade, well, if they put all their minds together they could put cracks in the Hoover Dam and we'd lose a psy war because we are a nation of skeptics. Check out the Google: http://www.google.com/search?hl=en&ie=UTF-8&oe=UTF-8&q=russia%27s+psychic+wars&spell=1 It is like prayer IMO, it works for if you have so many minds praying for the same result, voila, a miracle. They say how much of the mind is used, what 33%? That lives a whole lot of unexplored area!