RT Journal Article SR Electronic T1 Papers of note in Nature 542 (7640) JF Science Signaling JO Sci. Signal. FD American Association for the Advancement of Science SP eaam9617 DO 10.1126/scisignal.aam9617 VO 10 IS 466 A1 Foley, John F. YR 2017 UL http://stke.sciencemag.org/content/10/466/eaam9617.abstract AB This week’s articles show how intestinal immune cell populations are controlled and how epithelial cells recognize oncogenic neighbors.