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A riveting collection of thought-experiments from the world's leading scientists on what they believe to be true, but can't yet prove.
Synopsis
"What do you believe is true even though you cannot prove it?" This was the question posed by John Brockman to a group of leading scientists and thinkers via his website. The subsequent answers created a media storm and prompted a fiery debate about all aspects of science, technology and even the nature of "proof".