https://sites.lifesci.ucla.edu/mcdb-clarklab/wp-content/uploads/sites/226/2025/11/clarkLab2-300x138blank.png00galkin2https://sites.lifesci.ucla.edu/mcdb-clarklab/wp-content/uploads/sites/226/2025/11/clarkLab2-300x138blank.pnggalkin22025-11-06 10:49:192025-11-06 10:49:19Science News, Human embryo replicas have gotten more complex. Here’s what you need to know