This image shows that Ym2 protein (green) is upregulated in supporting cells of regenerated olfactory epithelium after methimazole lesion. Red represents Sox2, a marker for both supporting and basal cells. Ym2 facilitates regeneration via interaction with inflammatory responses. For more information, see the article by ang, Ren et al. (pages 5620–5637). Cover image: Yiqun Yu.