Daily briefing: AI forces us to rethink maths, says Fields medallist

You have full access to this article via your institution. Hello Nature readers, would you like to get this Briefing in your inbox free every day? Sign up here . Researchers are discovering that mitochondria (blue), known as cells’ power plants, also play parts in cells’ immune responses. Credit: David M. Phillips/Science Photo Library When a parasite invades a cell, mitochondria — the cell’s energy producers — respond by shedding their outer layer to form new cellular compartments that digest molecular trash. These new organelles help the parasite to proliferate, possibly because the invader can feed off the degraded material inside the tiny compartments, says immunologist and study co-author Lena Pernas. The findings lend credence to the hypothesis that ancient mitochondria gave rise to the first organelles in complex cells by shedding their outer layer to form new membrane sacs. Nature | 5 min read Reference: bioRxiv preprint (not peer reviewed) China’s intellectual-property regulator says that it helped about 80,000 patents from universities and research institutes to get commercialized between 2023 and 2025. The effort is part of the government’s desire to improve the country’s track record of translating research into products and services. Nature | 6 min read Baby teeth grow in layers, “just like tree rings do”, says environmental medicine researcher Manish Arora — and each layer tells a story. …