We need more radioactive drugs. Can we make them from nuclear waste? 22. April 2026 (18:00) The rise of a new generation of radiotherapies means we will soon need much greater quantities of radioactive atoms. That's why companies are scrambling to refine them from all manner of radioactive waste(New Scientist)
Exercise advice for long covid may be doing more harm than good 22. April 2026 (16:23) Exercise has been touted as a tool for managing and treating long covid, but much of the evidence has neglected one of its most debilitating symptoms: post-exertional malaise(New Scientist)
Fermat's Last Theorem: still a must-read about a 350-year maths secret 22. April 2026 (14:00) Simon Singh's exploration of mathematical proof – in particular Pierre de Fermat's last theorem – remains an absolute treasure, almost three decades after it was first published(New Scientist)
Titan’s strange plains may be explained by unusual weather 21. April 2026 (19:00) Most of Titan’s surface is oddly flat and smooth, and it may be because it is coated by as much as a metre of fluffy organic material that snowed down from the icy moon’s thick atmosphere(New Scientist)
How we discovered the speed limit of arithmetic – and broke it 21. April 2026 (18:00) Some seemingly simple sequences of multiplication and addition grow so quickly that they question the very foundations of mathematics. In doing so, they demand a whole new level of logic(New Scientist)
The monstrous number sequences that break the rules of mathematics 21. April 2026 (18:00) Some seemingly simple sequences of multiplication and addition grow so quickly that they question the very foundations of mathematics. In doing so, they demand a whole new level of logic(New Scientist)
Game theory explains why the US's goals in Iran keep changing 21. April 2026 (16:57) The ongoing conflict around the Strait of Hormuz has become a situation in game theory known as a war of attrition. The maths behind it can help explain what's going on, says Petros Sekeris(New Scientist)
