Scientists create mice with cells from 2 males for 1st time

This photo provided by researcher Katsuhiko Hayashi shows stem cell-derived mice, four weeks after their birth, in Osaka, Japan in September 2021. In a study published Wednesday, March 16, 2023, in the journal Nature, scientists led by Hayashi have created mice with two fathers for the first time by transforming male mouse stem cells into … Read more