Editing the genomes of human embryos has proven to be a hotly debated topic and a largely prohibited practice, but a team of researchers in London has gotten official, yet limited, permissions to do so.

Editing the genomes of human embryos has proven to be a hotly debated topic and a largely prohibited practice, but a team of researchers from The Francis Crick Institute in London has gotten official, yet limited, permissions to do so. 
The decision made by Britain’s Human Fertilisation and Embryology Authority marks the first time any governing agency in the world has given such approval.
Scientists intend to use DNA editing techniques to help determine why so