Magazine

This issue’s cover feature describes how solar neutrinos have revealed the two main stellar fusion reactions, and will soon weigh in on a controversy relating to the Sun’s birth. Meanwhile, detector and accelerator R&D roadmaps flesh out the vision of the European strategy update, and the Snowmass community planning exercise gets under way in the US. Also in this issue: exploring the flavour anomalies at a future collider; low-cost linacs for radiotherapy; greater energy efficiency at CERN; an interview with Edward Witten; tips on pivoting your career; the latest meeting reports; LHC-experiment results; reviews and more.