In this month's Cell Podcast, we cover how a scorpion venom-derived peptide might be used to treat glioma, with Harald Sontheimer (0:00) (Trends in Neurosciences June issue), visualizing the immune system in 3D to monitor inflammation in a whole organism, with Eric Skaar (7:58) (Cell Host and Microbe June 14 issue), and understanding how mothers tolerate the "alien within" during pregnancy, with Alexander Rudensky (14:31) (Cell July 6 issue). Plus, sample a selection of the hottest new papers from Cell Press (22:01).