Bioinformatics can seem intimidating, especially when you're just starting out. But you don't need to be an expert to begin exploring single-cell RNA-seq data. In this short tutorial, I walk through a simple four-step workflow using a publicly available dataset from the developing zebrafish heart: get the data, prepare it, visualize the cells, and ask a biological question. The post Show and Tell: Start Exploring Single-cell Data appeared first on the Node .