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Sun 25 Mar 2012 00:04:06 | 0 comments
Complex Life Elsewhere in the Universe?
Great Debates (a five-part series) will show you the process of scientific debate in progress, as prominent scientists sift through the available evidence to reach what are sometimes directly opposing conclusions. For our first debate, will explore the factors required to make a planet habitable and the question of whether complex life like that on Earth is common or rare in our galaxy.