In January, Mark Zuckerberg announced that Meta’s nine-year-old fact-checking system, which relied in part on third-party organizations, would come to an end. The tech company is instead set to adopt a “community notes” model reminiscent of what is used by Elon Musk ’s X, which relies on users instead of experts to flag misinformation.

Linkedin co-founder Reid Hoffman has launched a startup with the intention of using AI to fuel drug discovery. He is partnering with author, physician and scientist, Siddhartha Mukherjee, who famously penned The Emperor of All Maladies: A Biography of Cancer.