BioWorld looks at translational medicine, including: iPSC microtissue gives clues to heart disease; Tumor types have distinct microbiomes; Kinase helps prepare pre-metastatic niche; EZH2 has dual role; New alcohol risk genes in Caucasians; Assay system identifies mitochondria-targeting drugs for PD; Imitating ticks to evade immunity; Ovarian organoids implicate oviducts.