At first glance, it looks like the start of a human pregnancy: A ball-shaped embryo presses gently into the receptive lining of the uterus and then grips tight, burrowing in as the first tendrils of a future placenta appear. This is implantation—the moment that pregnancy officially begins. Only none of it is happening inside a…
Former Treasury Secretary Larry Summers has resigned from OpenAI’s board days after Congress released documents showing he was close friends with convicted sex offender Jeffrey Epstein.