Can one person really change the world? The answer, claims Princeton's parapsychological Global Consciousness Project, is no. At least, not just by thinking about it. But results of recent experiments by the GCP hint that the combined mental energy of millions may indeed have some impact upon world events. After measuring the readouts from random number generators stationed all over the world for the past seven years, the group found spikes of decidedly non-random activity surrounding a number of world-shaking events like the 9/11 attacks and the Indian Ocean tsunami.
Check out this interesting article for more on how the experiments work.