Irish Passports
Britons entitled to Irish passports\nAfter the Brexit vote in June, so many Britons applied for Irish passports that Ireland\u2019s foreign minister had to ask them to stop \u2013 pointing out that the UK remains, for now, in the EU. If some of the figures that have been quoted are correct, the Irish passport service may find itself completely inundated in future. But does one in four Britons really have Irish heritage? We reveal the dubious history of that number and attempt to estimate the number of Britons who are actually entitled to dual nationality with Ireland.
Do women\u2019s periods sync?\nIt is a commonly held belief that if women spend time together, their bodies start to sync and they will have their periods at the same time. But where does this idea come from? And is it really true? We look at the evidence and wonder \u2013 could it be down to chance?
Numbers in music\nMarcus du Sautoy takes us on a journey through some of his favourite musical pieces, pointing out the interesting mathematical patterns hidden in the compositions.
Dangerous algorithms\nCathy O\u2019Neil, a data scientist and activist, has written a new book, \u201cWeapons of Math Destruction.\u201d She is concerned about the proliferation of certain kinds of algorithms \u2013 that help make important decisions, but that could be based on unfair statistics with hidden biases. She explains how to look out for them, and what we can do to protect ourselves.
Desk of Good News \u2013 organ donations\nWe look at the trends for organ donations and transplants.