<div dir="ltr">Explore this gift article from The New York Times. You can read it for free without a subscription.<br><br>Anthropic Says It Blocked Possible Efforts to Build Biological Weapons<br><br>In a new report, the A.I. start-up added that it could not determine whether the research was legitimate or nefarious, leading the company to shut down the work.<br><br><a href="https://www.nytimes.com/2026/09/10/us/politics/anthropic-ai-biological-weapons.html?unlocked_article_code=1.A1E.CR2y.oT9FWZkW_hJ4&smid=em-share">https://www.nytimes.com/2026/09/10/us/politics/anthropic-ai-biological-weapons.html?unlocked_article_code=1.A1E.CR2y.oT9FWZkW_hJ4&smid=em-share</a></div>