The central nervous system’s astrocyte cells respond to injury and disease. The finding that they form molecular memories of certain responses, and that these modify inflammatory signalling, sheds light on autommunity.

This study identifies a major migratory route for young neurons in the brains of young children. This route forms during pregnancy and links the birthplace of these nerve cells to their destination in highly interconnected brain regions that are responsible for memory and spatial processing.

A method for imaging the production of blood cells in the bones of mice has revealed the organization of cell lineages, both in a steady state and in response to stressors, such as bleeding and infection.

Understanding the factors that drive formation of particular types of cancer can aid efforts to develop better diagnostics or treatments. The identification of a bacterial subspecies with a connection to colon cancer has clinical relevance.