At the frontier between two lives–the evolutionary origins of pregnancy
This article has been reviewed according to Science X's editorial process and policies . Editors have highlighted the following attributes while ensuring the content's credibility: Single-cell transcriptomic atlases of six mammalian species spanning the diversification of viviparity. Credit: Nature Ecology & Evolution (2025). DOI: 10.1038/s41559-025-02748-x An international research team led by scientists from the University of Vienna has uncovered new insights into how specialized cell types