March CERN Courier has a centre spread article on the Tracker with a cover picture.

Using Z bosons, the CMS experiment reveals new details of how the Quark-Gluon Plasma drains energy from energetic quarks and challenges current theoretical descriptions. To understand the Quark-Gluon Plasma (QGP), the hottest matter in the Universe…

CMS sees evidence of the Upsilon meson decaying into two tau leptons for the first time at a hadron collider Beyond our best current understanding of particle physics, encapsulated in the standard model, various theoretical models predict the…