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. How aging clocks can help us understand why we age—and if we can reverse it Wrinkles and gray hairs aside, it can be difficult to know how well—or poorly—someone’s body is truly aging.…
The wildfires that swept through Los Angeles County in January 2025 left an indelible mark on the Southern California landscape. The Eaton and Palisades fires raged for 24 days, killing 29 people and destroying 16,000 structures, with losses estimated at $60 billion. More than 55,000 acres were consumed, and the landscape itself was physically transformed.…
Elon Musk’s xAI has made an older version of its AI model Grok — specifically, the model weights used to shape Grok 2.5 — available on the open source platform Hugging Face.