It feels like every day I hear of an innovative new use for ChatGPT. Making my grocery list, creating a marathon training plan, giving me a pep talk.

I might also have been inclined to use it to get legal advice, should I need it – but not after reading this piece. Researchers Francine Ryan and Elizabeth Hardie put popular legal questions to a selection of AI chatbots, and what they found left them adamant that you should not try it for yourself.

The name “forever chemicals” doesn’t sound all that nice, but it gets worse. PFAS (per- and polyfluoroalkyl substances) are chemicals that don’t degrade, and create water and oil-repellent surfaces on many consumer products. Many PFAS are toxic, and they’re in a surprising number of things we use every day (including, worryingly, makeup and waterproof clothing). This piece explains what you need to know, and has some very useful tips on how to avoid them.

And, it’s been a strange year for images of the royals, from the photoshopped snap of the Princess of Wales and family, to the unexpected red of king Charles’s first official portrait as monarch. Looking back at the most controversial royal portraits from history, I guess we can count ourselves lucky that we haven’t seen the king depicted as a mermaid.

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Avery Anapol

Commissioning Editor, Politics + Society

We asked ChatGPT for legal advice – here are five reasons why you shouldn’t

Francine Ryan, The Open University; Elizabeth Hardie, The Open University

AI chatbots can quickly explain complicated legal information in a straightforward, conversational style, but they are not always accurate.

Many PFAS forever chemicals are toxic – here’s how to avoid them

Daniel Drage, University of Birmingham

PFAS are commonly found in waterproof clothing, stain-resistant textiles, cosmetics and cookware. Here’s how to best minimise your exposure to these forever chemicals.

Five controversial historical royal portraits – from drunken kings to sexy mermaids

Christina Faraday, University of Cambridge

British monarchs have grappled with issues of representation, accuracy and flattery in portraits since the Middle Ages.

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