This fascinating series opens with the death of a man from a gunshot wound – and the revelation that this isn't the first time his heart has stopped beating. It previously belonged to another man who died the same way, and who also had the same wife. Hosted by Karen Kilgariff, what follows is an intriguing eight-part tale that veers between a scientific exploration and a gripping true-crime saga.

Another series of the slick podcast about powerful business dynasties, and the beef behind the scenes of some of the world's best-known brands. This time, Sofia Bettiza investigates the Agnelli family, sometimes called "the Kennedys of Italy", who founded the car giant Fiat and were rocked by the death of their powerful patriarch Gianni.

Disclosure: Killer on the Ward

Colin Norris was a Leeds nurse who became known as "the angel of death", convicted for murdering four elderly patients and attempting to kill two more. But new evidence suggests they weren't murdered. Louise Shorter investigates, starting with the insulin poisoning of Ethel Hall.

Journalist Audrey Gillan takes an appropriately delicate approach to the story of a 16-year-old girl murdered by a classmate. Diane Watson died in Glasgow in 1991, but the pain for those who knew her continues. In this six-part BBC Scotland series, Gillan looks not only at the consequences for her killer, but also Diane's family's fight to stop the press from defaming their late daughter.

Sold a Story

After the first season of this podcast's reporting on the US educational system, 26 states changed the way they teach reading. Now, education journalist Emily Hanford offers a colourful tale of a US maths experiment that left four-year-olds fluent in algebra – only for it to be shunned.