Adding lime to agricultural soils can remove CO₂ from the atmosphere, rather than cause CO₂ emissions, claims new research. The findings, based on over 100 years of data from the Mississippi River basin and detailed computer modelling, run counter to international guidelines on reducing agricultural emissions.

With countries such as the UK declaring ambitious goals for both AI leadership and decarbonisation, a new report suggests that AI could drive a 25-fold increase in the global tech sector’s energy use by 2040.

New research shows that a medical artificial intelligence model accurately screened for cardiac amyloidosis, a progressive and irreversible type of heart disease, outperforming existing methods and potentially enabling better diagnosis and treatment.