The Download: AI’s extinction risk and bioweapons threat

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. Could AI really kill us all? Your questions, answered On Wednesday, MIT Technology Review hosted a live Roundtables event that asked the question many seem to be asking right now: could…

18 September 2026

Could AI really kill us all? Your questions, answered.

On Wednesday, MIT Technology Review hosted a live Roundtables event for subscribers that asked the question everyone’s asking right now: Could AI really kill us all? But attendees had so many more questions than we had time to answer in the 30 minute session. So we asked our senior AI editor Will Douglas Heaven and…

18 September 2026

The specter of AI-enabled bioweapons is a wake-up call for biotech

In recent weeks, leaders of some of the biggest AI companies have warned that the very tech they are developing is dangerous. Last weekend, Anthropic CEO Dario Amodei argued that AI carries serious risk and that progress should be slowed. OpenAI CEO Sam Altman responded on X: “I agree with Dario that we need to pace the…

18 September 2026

The Download: mice with part-human brains and climate tech innovators

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. Meet a mouse whose brain cortex is made up of human cells Multiple cameras tracked a mouse as it wandered around a small arena. A computer charted its position and speed,…

17 September 2026

Meet the innovators under 35 shaping climate tech

Each year, the editorial team at MIT Technology Review puts together a list of 35 innovators under 35—a group of researchers, inventors, and other young minds worth following. The team worked on the newest edition of the list for months, and the final slate includes nine individuals from all over the world in the climate…

17 September 2026

Meet a mouse whose brain cortex is made up of human cells

Multiple cameras tracked a mouse as it wandered around a small arena. A computer charted its position and speed, leaving Pong-like traces on a monitor.  The reason to watch this rodent so carefully? Nearly half its brain volume had been replaced with human cells. The effort to mix the brain tissues of distant species is…

16 September 2026

Building the materials foundation for AI

The AI boom is becoming a materials challenge. As AI pushes computing into new territory, the materials behind that infrastructure are becoming just as crucial as the algorithms running on it. Semiconductors and data centers are approaching physical limits around performance, thermal management, electrical efficiency, and reliability, creating new demands for materials that can do…

16 September 2026

The Download: AI’s trillion-dollar gamble and OpenAI’s biology data bid

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. What’s at stake in AI’s trillion-dollar gamble When Jessica Wachter, a finance professor at the University of Pennsylvania, wanted to assess AI’s impact on the economy over the next few years,…

16 September 2026

Roundtables: Could AI really kill us all?

Listen to the session or watch below Employees at the world’s leading AI labs are saying there’s a real possibility that advanced AI could destroy humanity. Are they right? Or is this more scaremongering and hype? Watch a conversation unpacking AI extinction fears: where they come from, whether they hold any water, and, if so,…

15 September 2026

The Download: AI doomers, whistleblowing agents, and de-aged livers

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. The AI industry has taken a doomer turn. What now? AI chiefs Dario Amodei, Sam Altman, Elon Musk, and Demis Hassabis are suddenly all in agreement: the latest generation of LLMs…

15 September 2026