My previous article [1] discussed the fact that large language models lack a formal model of the physical world in which care takes place. This is a problem for AI in healthcare. Healthcare may be described in language but health care, disease, and its treatment are not linguistic phenomena. They are part of the physical …
Five ideas from a new paper In an earlier article, I wrote about artificial intelligence (AI) world models: systems built to represent how the world behaves and changes over time, rather than working only via language and other static data. An April 2026 paper (preprint) takes that idea into medicine. Its main argument is that …
South Africans love to talk rugby. And right now, there’s a lot to talk about. Not only are the Springboks the reigning men’s Rugby World Cup champions but South Africa’s U20 side won the World Rugby U20 Championship in 2025, the Blitzboks finished top of the 2025/26 HSBC SVNS league table, and the U18 side …
Part 2 of 2. Part 1 is here. In my first article, I described the patchwork (“duct tape”) that keeps many public hospitals going: paper records, siloed electronic systems, shared documents, local lists, WhatsApp messages and a great deal of human memory and improvisation. What should hospitals do about this? A March 2026 paper from …
Part 1 of 2. Everyday care in a South African hospital A sick child arrives in casualty. A clerk records the admission. The doctor writes in the paper folder. Blood tests and x-rays are ordered. Results appear later on a laboratory portal, imaging in another system. The ward team keeps its own task lists and …
