More information: Philip B. Abitua et al, Axis formation in annual killifish: Nodal and β-catenin regulate morphogenesis without Huluwa prepatterning, Science (2024). DOI: 10.1126/science.ado7604 .

The researchers examined aging in the turquoise killifish, a small, fast-growing freshwater fish with a lifespan of only a few months. As in humans, female killifish live longer than males. However, ...