Why humans care so much about body odour, and what it really tells us

Microgen/Shutterstock Humans spend a great deal of time trying to smell good. We wash, deodorise and perfume our bodies daily, suggesting body odour must matter. Yet scientifically, the picture is far less straightforward. In the animal world, smell is a powerful communication tool. Many species use scent to signal readiness to mate, mark territory or […]

Heatwaves are destroying the sex lives of bees – new research

A red mason bee seeking pollen. Bildagentur Zoonar GmbH/Shutterstock There is not yet much research on the effects of heatwaves on bees. What little there is focuses on super extremes of weather that would kill an adult bee. However, my new research with colleagues shows that UK populations of solitary bees may be much more […]

They ‘showed me a lot of love’: why young men seeking belonging join gangs

DubstepWar/Shutterstock The government has published plans for “once-in-a-generation” reform of youth justice in England and Wales. The reforms are billed as a blueprint for earlier intervention, more targeted support and addressing the root causes of youth crime. It’s welcome that the proposals recognise how many children in the youth justice system have grown up with […]

‘AI needs to be disarmed’: Pope Leo sees threat to humanity in technological arms race

In the first landmark publication of his papacy, Pope Leo XIV has addressed recent advances in artificial intelligence by focusing on the threat it poses to workers, social justice and “the dignity of persons”. Presenting his first papal encyclical, “Magnifica Humanitas” (“Magnificent Humanity”), at the Vatican on May 25, Leo declared: “Artificial intelligence needs to […]

Ageing with purpose: the surprising science of frailty reversal

siro46/Shutterstock Some of the most powerful interventions to slow or improve frailty are also the most ordinary: regular movement, adequate nutrition and meaningful social connection. It almost sounds too simple for a condition now recognised as one of the strongest predictors of hospitalisation, disability, poor recovery from illness or surgery, nursing home admission and death […]