The use of 'base editing' to precisely tweak human embryos has divided researchers. Plus, the number of lives saved by less-polluting cars in China and how to tip the world towards a sustainable future.

The lead scientist on the use of ‘base editing’ in very early embryos say that the technique is far from ready for the clinic, but critics worry that the work will spur a rush to…

New York Times: A new gene-editing technique raises hopes and fears over designer babies.

The use of 'base editing' to precisely tweak human embryos has divided researchers. Plus, the number of lives saved by less-polluting cars in China and how to tip the world…

Eight years after a Chinese scientist's report of gene-edited babies shocked the world, U.S. scientists reported editing embryos not meant for pregnancies using a more precise…