Technology

The astonishing embryo models of Jacob Hanna

October 21, 2025
When the Palestinian stem-cell scientist Jacob Hanna was stopped while entering the US last May, airport customs agents took him aside and held him for hours in “secondary,” a back office where you don’t have your passport and can’t use your phone. There were two young Russian women and a candy machine in the room…

Why AI should be able to “hang up” on you

October 21, 2025
Chatbots today are everything machines. If it can be put into words—relationship advice, work documents, code—AI will produce it, however imperfectly. But the one thing that almost no chatbot will ever do is stop talking to you.  That might seem reasonable. Why should a tech company build a feature that reduces the time people spend…

The Download: a promising retina implant, and how climate change affects flowers

October 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. This retina implant lets people with vision loss do a crossword puzzle The news: Science Corporation—a competitor to Neuralink founded by the former president of Elon Musk’s brain-interface venture—has leapfrogged its rival after…

This retina implant lets people with vision loss do a crossword puzzle

October 20, 2025
Science Corporation—a competitor to Neuralink founded by the former president of Elon Musk’s brain-interface venture—has leapfrogged its rival after acquiring a vision implant that’s in advanced testing, for a fire-sale price. The implant produces a form of “artificial vision” that lets some patients read text and do crosswords, according to a report published in The…

AI could predict who will have a heart attack

October 20, 2025
For all the modern marvels of cardiology, we struggle to predict who will have a heart attack. Many people never get screened at all. Now, startups like Bunkerhill Health, Nanox.AI, and HeartLung Technologies are applying AI algorithms to screen millions of CT scans for early signs of heart disease. This technology could be a breakthrough…

Flowers of the future

October 20, 2025
Flowers play a key role in most landscapes, from urban to rural areas. There might be dandelions poking through the cracks in the pavement, wildflowers on the highway median, or poppies covering a hillside. We might notice the time of year they bloom and connect that to our changing climate. Perhaps we are familiar with…

From slop to Sotheby’s? AI art enters a new phase

October 17, 2025
In this era of AI slop, the idea that generative AI tools like Midjourney and Runway could be used to make art can seem absurd: What possible artistic value is there to be found in the likes of Shrimp Jesus and Ballerina Cappuccina? But amid all the muck, there are people using AI tools with…

Take our quiz: How much do you know about antimicrobial resistance?

October 16, 2025
This week we had some terrifying news from the World Health Organization: Antibiotics are failing us. A growing number of bacterial infections aren’t responding to these medicines—including common ones that affect the blood, gut, and urinary tract. Get infected with one of these bugs, and there’s a fair chance antibiotics won’t help.  The scary truth…