Aperiodical Maths News - <a href="https://www.theguardian.com/science/2025/may/18/geoff-wain-obituary">Geoff Wain, founder of MathsWorldUK, has died</a> <br> <br> (via <a href="https://mathstodon.xyz/@kityates@mas.to/114546150073789320">Kit Yates</a>)