Royal Society Publishing has recently published an OPEN ACCESS theme issue of Philosophical Transactions A under the 'Subscribe to Open' 2026 initiative: Advancing uncertainty quantification in AI systems compiled by K Nguyen, R Barber, V Copley, A Gammerman, V Vovk & J Ziegel and the articles are FREE to access at  www.bit.ly/TransA2327  

A print version is also available at the special price of £40.00 per issue from sales@royalsociety.org