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AI models change their medical recommendations when people ask them questions that include colourful language, typos, odd formatting and even gender-neutral pronouns ...

Researchers have documented orcas seemingly gifting rays, seals and fish to scientists and divers, which could suggest they have theory of mind and engage in altruism - even across species ...

Researchers have documented orcas seemingly gifting rays, seals and fish to scientists and divers, which could suggest they have theory of mind and engage in altruism - even across species ...

A long-lasting formulation of an antiviral drug greatly reduced people's risk of a symptomatic flu infection in a trial, and should even be effective against new strains ...

Over tens of thousands of years, waves of Homo sapiens set out across Europe and Asia, only for their societies and cultures to mysteriously vanish. At last, ancient DNA is revealing why ...

People with PCOS who struggle to conceive tend to have lower levels of a gut microbe that has been linked to endometrial function ...

A flexible fabric called X-Wear could replace some parts of medical scanners, which would make taking X-rays and CT scans far more comfortable and convenient ...

With the help of powerful computers, researchers discovered a four-sided shape that naturally rests on one side, and built a real-life version from carbon fibre and tungsten ...

Large sea anchors could be used to drag water under a bold plan to keep the Atlantic Meridional Overturning Circulation moving - but some experts are sceptical ...

Culture editor Alison Flood rounds up the New Scientist Book Club's take on our latest read, a time-travelling romance ...