What we’ve learned about the nucleolus since you left school

The size of a cell's nucleolus may reveal how long that cell, or even the organism it belongs to, will live. Over the past few years, researchers have been piecing together an unexpected link between aging and an organelle often called the cell's ribosome factory (or just a blob in the middle of the nucleus). A new report outlines the connections between the nucleolus and age-related pathways.

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