From the NYT: In a Breakthrough, Scientists Edit a Dangerous Mutation From Genes in Human Embryos. “It raises the prospect that gene editing may one day protect babies from a variety of hereditary conditions. But the achievement is also an example of genetic engineering, once feared and unthinkable, and is sure to renew ethical concerns that some might try to design babies with certain traits, like greater intelligence or athleticism.” (I’d settle for being better at metabolizing in between meal snacks.)