> Anthropic says it has blocked several possible attempts to use its AI models to create biological weapons, as well as six efforts to use AI for conventional weapons design in China, Russia, and Yemen (More) | Read the 154-page report (More)
> Mercury is shrinking up to 30% faster than previously estimated as its hot iron core cools and contracts (More) | How big are all the planets in our solar system? (More, w/to-scale image)
> Paleontologists discover well-preserved fossil feathers in dinosaur feces that resemble those of living birds, possibly offering clues to why some birds survived mass extinction 66 million years ago (More)
