ÎçÒ¹¸£Àû1000¼¯ºÏAre we getting to the point where it's safe to gene-edit babies? A team in the US has reported promising results after using an improved form of CRISPR to gene-edit human embryos, but a major issue remains unsolved Analysis
ÎçÒ¹¸£Àû1000¼¯ºÏAre humans degenerating genetically and getting dumber as a result? Are we evolving to be more stupid? Humans have a relatively high genetic mutation rate, which has been thought to be driving down our physical and mental fitness – but columnist Michael Le Page finds these mutations aren’t the health risk some make them out to be Comment