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Pyramid

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The Hobbit Enigma

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Date: 2006-01-09

Root of All Evil?

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Intelligent Trees

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Another World

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Let There Be Light

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Road to the Stars

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Date: 2007-08-28

The Standard Deviants: The Really Big World of Astronomy, Part 1

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The Standard Deviants: The Gravity-Packed World of Physics, Parts 1&2

Date: 2003-12-05

Bodysong

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The Enemies of Reason

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Charles Darwin and the Tree of Life

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Th (Part 11: Dr. Helen Caldicott)

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The Man Who Wanted to Change the World

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The Secret of Life on Earth