August 2025

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 technology. Five ways that AI is learning to improve itself Last week, Mark Zuckerberg declared that Meta aims to achieve smarter-than-human AI. He seems to have a recipe for achieving that goal, and the…

In the spring of 2021, climate scientists were stumped.  The global economy was just emerging from the covid-19 lockdowns, but for some reason the levels of methane—a greenhouse gas emitted mainly through agriculture and fossil-fuel production—had soared in the atmosphere the previous year, rising at the fastest rate on record. Researchers around the world set…