Scientists have seen no sign of an elusive nuclear decay that could help to explain why the Universe is dominated by matter, rather than antimatter. An upgraded experiment continues the search with unprecedented sensitivity. See Letter p.47
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Barbeau, P. The search for no neutrinos. Nature 544, 38–39 (2017). https://doi.org/10.1038/544038a
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DOI: https://doi.org/10.1038/544038a