We explore the most complex object in the known universe, the human brain. Subscribe online today and receive 10 issues delivered to your door for only £10. | New Scientist

Here are the best stories in science this week ⁠ ⁠ Leading AIs from OpenAI, Anthropic and Google opted to use nuclear weapons in simulated war games in 95 per cent of cases. Expert birdwatchers have changes in their brain structure compared with novices, which probably help them better identify birds and may even protect against age-related cognitive decline. A cream that directly disrupts the underlying causes of the skin patches seen in the condition vitiligo will be made available on the NHS

A vaccine for the dreaded norovirus is in the works 💊 and it’s already proving effective. The winter vomiting bug affects 685 million people - so you'll be glad to know the first trial has proved promising https://podfollow.com/the-world-the-universe-and-us | New Scientist