Volume 597 Issue 7875



News Features

News & Views

Chronically lonely flies overeat and lose sleep p.179

The fruit fly Drosophila melanogaster is a social animal. Flies kept in chronic social isolation have now been found to show dysregulated sleep and feeding patterns, casting light on how prolonged absence of social contact affects health.

doi: 10.1038/d41586-021-02194-2

A stem-cell basis for skeletal ageing p.182

How ageing contributes to bone loss is unclear. In ageing mice, skeletal stem cells lose their ability to generate bone-forming cells called osteoblasts, and instead promote the generation of bone-resorbing cells called osteoclasts.

doi: 10.1038/d41586-021-02118-0

Ubiquitin protein helps cells to recover from stress p.183

In stressed cells, proteins and RNA molecules cluster together to form stress granules. It emerges that the small protein modifier ubiquitin is needed to disassemble stress granules in recovering cells.

doi: 10.1038/d41586-021-02197-z