Learn the compelling story behind one of scientific history's most controversial books. As Charles Darwin struggled to complete On the Origin of Species, his own life became a model for his theory of "survival of the fittest," with his life's work in danger of compromise, two children lying near death, and his marriage tested. Henry Ian Cusick and Frances O'Connor star in this dramatic tale of trauma and perseverance.

* Behind the scenes, The Galapagos Islands
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