[
](https://www.economist.com/)
[
](https://www.economist.com/)
Subscribe to The Economist
Unlock unlimited access to all our award-winning journalism, subscriber-only podcasts and newsletters
Subscribe to The Economist
Unlock unlimited access to all our award-winning journalism, subscriber-only podcasts and newsletters
Science & technology | Computer security
Sep 22nd 2025|7 min read
THE PROMISE at the heart of the artificial-intelligence (AI) boom is that programming a computer is no longer an arcane skill: a chatbot or large language model (LLM) can be instructed in simple English sentences. But that promise is also the root of a systemic weakness.
Or create a free account to unlock just this article
Perhaps less than its marketers say
They grow faster when their rivals are doing the same
Dense cities do not seem to have been necessary for outbreaks of the disease
Researchers have now confirmed how cacao plants are pollinated
That is bad news for a warming world
The pancreatic-cancer drug could be the first of an entirely new class of treatments