Most scientists think that we are not alone in the universe. Somewhere out there, there must be other intelligent forms of life. Our radio telescopes regularly scan the galaxy in search of a signal from a distant world. We may think they're out there, but we really don't know what another civilization would be like.

A team of international scholars has recently published a book on the sociological aspects of searching for alien life. SpaceDaily recently interviewed Professor Emeritus Albert Harrison, a co-editor of this book.

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