Men who played rugby union for Scotland are much more likely to develop dementia, Parkinson’s disease and motor neuron disease than the rest of the population

AI can use images from Google Street View and satellites to estimate building energy efficiency across entire cities. That could guide investments in reducing energy waste and fighting climate change

A series of chemistry experiments suggest that a molecule that provides energy for all living cells, called ATP, could have been forged in geothermal vents in the ocean or created in freshwater ponds

Contagious itching may have evolved as a survival mechanism, such as by alerting other animals in the group that a parasite could be circulating

Firefighters working 24-hour shifts who only ate between 9am and 7pm saw improvements in heart health, blood sugar and blood pressure

Satellite measurement should reveal just how much potent greenhouse gas was released by the Nord Stream pipeline sabotage, but for now the estimates put it in the order of hundreds of millions of cubic metres