Technology

The Download: a biological de-aging contest and why LLMs don’t reason

October 2, 2026
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. A new contest pits competitors against each other in a race to biological youth —Jessica Hamzelou This week, I officially signed up for an unusual competition. One that rewards competitors for…

A new contest pits competitors against each other in a race to biological youth

October 2, 2026
This week, I officially signed up for an unusual competition. One that rewards competitors for getting younger. I recently turned 40, and I don’t need reminding that both time and my chronological age only tick forward. But this game is focused on competitors’ biological ages—figures that are meant to provide a better way to measure…

The Download: AI “mind-reading” and creative uses for small batteries

October 1, 2026
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. An AI “mind-reading” tool can reconstruct what you’re looking at based on a brain scan A new AI tool can guess what you’re looking at just by analyzing your brain scans—and…

How smaller, distributed batteries could help the grid

October 1, 2026
If you want to install a big battery in New York City, you have to cut through a notoriously tough tangle of regulations. That’s made it difficult to get large energy storage projects on the grid. Faced with those obstacles, some startups are getting creative, finding ways to use relatively small batteries in unexpected places,…

The Download: OpenAI’s chief research officer explains its hacking response

September 30, 2026
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. “We’re not going to shoot ourselves in the foot” over hack fallout, says OpenAI’s chief research officer Two months after OpenAI’s agents hacked into the computers of AI company Hugging Face,…

The Download: climate tech companies to watch and AI’s discovery problem

September 29, 2026
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. Coming soon: our 2026 list of Climate Tech Companies to Watch With the planet nearing 1.5 °C of warming, climate policies being unraveled, and Big Tech backpedaling on its climate ambitions,…