Nothing Shall Be Withholden From Them: Scientists Create Most Advanced Human/Mouse Chimera To Date

Scientists have created a human-mouse chimera with 4 percent human cells—the most of any chimera to date. While the embryos …

Leading Geneticists Call For Moratorium On Generational Human Genetic Editing

A human embryo at the eight-cell stage.Credit: Yorgos Nikas/SPL We call for a global moratorium on all clinical uses of …