Technology

The Download: talking dirty with DeepSeek, and the risks and rewards of calorie restriction

June 20, 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. It’s pretty easy to get DeepSeek to talk dirty AI companions like Replika are designed to engage in intimate exchanges, but people use general-purpose chatbots for sex talk too, despite their stricter content…

How a 30-year-old techno-thriller predicted our digital isolation

June 20, 2025
In April, Mark Zuckerberg, as tech billionaires are so fond of doing these days, pontificated at punishing length on a podcast. In the interview, he addressed America’s loneliness epidemic: “The average American has—I think it’s fewer than three friends. And the average person has demand for meaningfully more. I think it’s like 15 friends or…

Calorie restriction can help animals live longer. What about humans?

June 20, 2025
Living comes with a side effect: aging. Despite what you might hear on social media or in advertisements, there are no drugs that are known to slow or reverse human aging. But there’s some evidence to support another approach: cutting back on calories. Caloric restriction (reducing your intake of calories) and intermittent fasting (switching between…

It’s pretty easy to get DeepSeek to talk dirty

June 19, 2025
AI companions like Replika are designed to engage in intimate exchanges, but people use general-purpose chatbots for sex talk too, despite their stricter content moderation policies. Now new research shows that not all chatbots are equally willing to talk dirty: DeepSeek is the easiest to convince. But other AI chatbots can be enticed too, if…

The Download: future grids, and bad boy bots

June 19, 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. Before we embark on our usual programming we’re thrilled to share that The Download won Best Technology Newsletter at this year’s Publisher Newsletter Awards! Thank you to all of you for reading, subscribing,…

Is this the electric grid of the future?

June 19, 2025
One morning in the middle of March, a slow-moving spring blizzard stalled above eastern Nebraska, pounding the state capital of Lincoln with 60-mile-per-hour winds, driving sleet, and up to eight inches of snow. Lincoln Electric System, the local electric utility, has approximately 150,000 customers. By lunchtime, nearly 10% of them were without power. Ice was…

Inside the US power struggle over coal

June 19, 2025
Coal power is on life support in the US. It used to carry the grid with cheap electricity, but now plants are closing left and right. There are a lot of potential reasons to let coal continue its journey to the grave. Carbon emissions from coal plants are a major contributor to climate change. And…

Puzzle Corner

June 18, 2025
Ready for a fresh set of puzzles? Click here for the July/August 2025 Puzzle Corner, brought to you by guest editor Ed Faulkner ’03. Send problems, solutions (by August 1), and comments to puzzlecorner@technologyreview.com. Editor emeritus Allan Gottlieb ’67 launched Puzzle Corner in 1966. Find back issues through 2022 at cs.nyu.edu/~gottlieb/tr and more recent back issues at technologyreview.com/puzzle-corner.