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3/6. The Davies family cannot come to terms with the sustainable, self-sufficient way of life.
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Anne is in Glasgow to meet Donald and Pauline.
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1/6. Naomi and Ross spend a week with the God-fearing Garnett family in Alabama.
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5/5. Average siblings share half of their genes, but identical twins share all of theirs.
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Fi Glover talks to author Justin Cartwright. With poetry from Luke Wright.
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