Biotech

Bill Gates is among the billionaires who’ve met with Donald Trump before the former president returns to office. In an interview with WSJ, Gates said they spoke about global health issues, and he was “impressed” with Trump’s interest. Photo: Sam Painter for The Wall Street Journal

Neuralink is just one player in an emerging market for brain chips, devices that help people telepathically control computers and more. WSJ goes inside a brain surgery to see how the implants work. Photo: Hannah Yoon

Elon Musk's Neuralink introduced the first patient to receive its brain-computer implant, demonstrating during a livestream that he can now move a computer cursor to play chess using the device. Photo: Neuralink

DNA-testing company 23andMe and its co-founder, Anne Wojcicki, aimed to revolutionize healthcare, bringing genetic tests into homes with just a tube of spit. WSJ takes a look at factors that knocked the company’s valuation down to nearly $0. Photo: Peter DaSilva/Reuters Photo: Peter DaSilva/Reuters

Apple was granted a temporary reprieve after a U.S. court paused a federal agency’s import ban on most of the tech company’s watch models. The ban stemmed from a patent dispute with the medical device maker Masimo. Photo: Jeenah Moon/Bloomberg News