Science Magazine – June 23, 2023 issue:
Human stem cells turned into detailed lab replicas of embryos
Mock embryos created by multiple groups recapitulate developmental events beyond implantation
Into the dark
A European space telescope sets off to discover the nature of dark energy—the biggest ingredient in the universe
Could chatbots help devise the next pandemic virus?
An MIT class exercise suggests AI tools can be used to order a bioweapon, but some are skeptical