It’s one small step for mice, one giant leap for mammoth-kind. Scientists endeavoring to “de-extinct” woolly mammoths through genetic modification have taken a meaningful step toward achieving their ...

A one-time injection of a novel gene therapy was able to save mice and a newborn calf from succumbing to maple syrup urine disease (MSUD), suggesting the approach could one day be used to treat ...

The firm aims to birth its first calf by the end of 2028 ... some that modified fertilized mouse eggs and others that altered embryonic mouse stem cells, which were injected into embryos and ...