The Download: a donor conception cap and world models for AI

Plus: Apple has sued OpenAI for allegedly stealing trade secrets. Ties van der Meer doesn't know how many siblings he has. The 47-year-old was conceived at a private fertility clinic using sperm from an anonymous donor. He eventually tracked down one sibling, but he may have others he'll never find. Other donor-conceived people have found they have tens or even hundreds of them. "It does make you feel a bit mass-produced," said one who discovered they had 25 half-siblings.