This is today's edition of The Download, our weekday newsletter that provides a daily dose of what's going on in the world of ...

A quarter-century ago, researchers isolated powerful stem cells from embryos created through in vitro fertilization. These ...

Despite fewer clicks, copyright fights, and sometimes iffy answers, AI could unlock new ways to summon all the world’s knowledge What will really matter in the long run? That’s the question ...

Introducing the 2025 10 Breakthrough Technologies! Plus: digital twins, high-tech fisheries, and the AI Hype Index. The 2025 edition will be published in January. Here’s what won’t be on it.