Not all of a cell’s protein-making machines do the same job
Some ribosomes specialize and may even play a role in embryonic development, early work suggests
![ribosome](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2017/12/120817_TS_ribosomes_feat.jpg?fit=860%2C460&ssl=1)
STANDING OUT Scientists used to think that ribosomes, molecular machines that build proteins, are identical and interchangeable. But the micromachines are more diverse than previously thought, new research suggests.
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