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  • RESEARCH HIGHLIGHT

Stem cells help mice to develop super-sensitive sniffers

Rodents can discriminate between extremely similar odours after proliferation of stem cells in the brain.
A lab mouse

Mice rely heavily on their sense of smell, which becomes keener after new cells augment the brain’s olfactory bulb. Credit: Adam Gault/Getty

Scientists have turned ordinary mice into super-smellers by boosting the number of a certain type of cell in the animals’ brains.

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Nature 565, 539 (2019)

doi: https://doi.org/10.1038/d41586-019-00249-z

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