Scientists uncover surprise origin of wispy cirrus clouds

These delicate cloud systems appear to be seeded by massive atmospheric waves thousands of miles away Cirrus clouds are our highest clouds; their delicate wispy strands are like an artist’s brushstrokes through the sky. During the day they are bright white and at dawn and dusk they can take on...

Quality of migraine care dependent on ethnicity, UK survey finds

Ethnic minority people more likely to experience poor treatment and even racism, Migraine Trust research shows People from ethnic minority backgrounds are more likely to experience worse migraine care and to fear discrimination because of their condition, a survey by a leading UK charity has found. Migraines are characterised by...

The best science and nature books of 2025

From the threat of superintelligent AI to the secrets of a longer life; plus the evolution of language and the restless genius of Francis Crick This felt like the year that AI really arrived. It is on our phones and laptops; it is creeping into digital and corporate infrastructure; it is...

India orders mandatory security app on phones, Apple refuses to comply

The Indian government wants all major smartphone makers operating in the country to install a state-sponsored app for "security" purposes. Sources speaking with Reuters said India's telecom ministry privately pressed manufacturers to support the tool, which the sources described as behaving like persistent malware that users cannot easily remove. Read...

No, ChatGPT is not starting to show users ads, says OpenAI

A screenshot showing ChatGPT suggesting the Peloton app during an unrelated conversation blew up the internet on Monday. Many users feared the chatbot had begun displaying ads – even for paying customers. The screenshot, shared on X by AI enthusiast Kol Tregaskes, showed what appeared to be an ad for...