A study in this issue finds that laboratory strains of male mice can recognize their offspring as adults if given the chance to interact with infant pups. This recognition requires prolactin-mediated adult neurogenesis in the male parent's olfactory bulb and hippocampus.
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The author declares no competing financial interests.
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McCarthy, M. Father and child reunion. Nat Neurosci 13, 652–653 (2010). https://doi.org/10.1038/nn0610-652
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