Genes and Migration

20 March 2009

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This week we jump into our genes to reveal how DNA previously thought to be 'junk' has an important role in our cells, as well as& find out& how stomach bacteria has enabled us to discover how our ancestors migrated across the world. We'll also be finding out& about rice strains being grown in Benin& that are resistant& to toxic iron levels. Plus, we lose our hair for Question of the Week!

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