First digital map of the murders recorded by the city's Coroner in early 1300s shows Cheapside and Cornhill were homicide ‘hot spots’, and Sundays held the highest risk of violent death for medieval Londoners.

Researchers say that new ‘mini-placentas’ – a cellular model of the early stages of the placenta – could provide a window into early pregnancy and help transform our understanding of reproductive disorders. Details of this new research are published today in the journal Nature.