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…