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…