Technology

Exclusive eBook: Inside the stealthy startup that pitched brainless human clones

April 30, 2026
The ultimate plan to live forever is a brand new body. This subscriber-only eBook explores R3 Bio, a small startup that has pitched a startling and ethically charged vision for “brainless clones” to serve the role of backup human bodies. by Antonio Regalado March 20, 2026 Related Stories: Access all subscriber-only eBooks:

This startup’s new mechanistic interpretability tool lets you debug LLMs

April 30, 2026
The San Francisco–based startup Goodfire just released a new tool, called Silico, that lets researchers and engineers peer inside an AI model and adjust its parameters—the settings that determine a model’s behavior—during training. This could give model makers more fine-grained control over how this technology is built than was once thought possible. Goodfire claims Silico…

The Download: the North Pole’s future and humanoid data

April 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. Digging for clues about the North Pole’s past In the past, getting to the North Pole involved a treacherous trip through ice many meters thick. But last year, a research vessel…

The Download: storing nuclear waste and orchestrating agents

April 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. It’s time to make a plan for nuclear waste Today, nuclear energy enjoys rare support across the political spectrum. Public approval has spiked, and Big Tech is throwing money around to…

It’s time to make a plan for nuclear waste

April 29, 2026
Today, nuclear energy enjoys a rare moment of support across the political spectrum in the US. Interest from tech companies that are scrambling to meet demand for massive data centers has sparked a resurgence of money and attention in the industry. That newfound interest is exactly why it’s time to talk about an old problem:…