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Sam Walker presents. Historian Suzannah Lipscomb on the must-have deadly domestic gadgets in Victorian & Edwardian homes. The impact of parental shift work on children's well-being. Britain's female WWII secret agents remembered. Plus is there any such thing as benign obesity?

And Sam Wollaston & Boyd Hilton review the pick of the week's TV viewing, with a look ahead to the Christmas schedule highlights.