Joel Cox

To find out what we know about blood glucose levels and our health, and whether the science is nailed down on personalised nutrition, Ian Sample hears from philosopher Julian Baggini, academic dietician Dr Nicola Guess of Oxford University and ZOE’s chief scientist, and associate professor at Kings College London, Dr Sarah Berry

Artificial intelligence companies have lofty ambitions for what the technology could achieve, from curing diseases to eliminating poverty. But the energy required to power these innovations is threatening critical environmental targets. Madeleine Finlay hears from the Guardian’s energy correspondent, Jillian Ambrose, and UK technology editor, Alex Hern, to find out how big AI’s energy problem is, and whether it can be solved before it is too late

Mina Smallman’s world fell apart after the murder of her two daughters. Then came a shocking revelation about the police’s behaviour. She explains how she found the strength to fight back

For decades, Spain has been the destination of choice for Brits desperate for sun, sea and sand. But now there is a growing backlash against tourism. What went wrong? Sam Jones reports

Three siblings dared to challenge the kingdom’s restrictive rules for women – and it changed their lives for ever. Tom Levitt reports

Madeleine Finlay meets Dr Julia Rohrer, a personality psychologist at the University of Leipzig, to unpick the science behind birth order

Science correspondent and flat-coated retriever owner Nicola Davis visits Cambridge University to meet Dr Eleanor Raffan and Prof Giles Yeo to find out how understanding obesity in dogs could help treat the obesity crisis in humans

The arrest of Telegram’s founder and CEO in Paris last month has thrown the spotlight on the messaging app and its approach to content moderation. Madeleine Finlay hears from Russian affairs reporter Pjotr Sauer and technology journalist Alex Hern about how the case could influence how social media companies approach problematic content on their platforms

Environment editor Damian Carrington tells Madeleine Finlay about his recent trip to Greenland on board a ship with a group of intrepid scientists. They were on a mission to explore the maelstrom beneath Greenland’s glaciers, an area that has never been studied before, and were hoping to find answers to one of the world’s most pressing questions – how quickly will sea levels rise?

Study after study seems to suggest drugs such as Ozempic and Wegovy could have all sorts of health benefits, leading some scientists to hail them a breakthrough that could transform many chronic diseases of ageing. Nicola Davis tells Madeleine Finlay what is known so far