Invertebrates don’t get the attention lavished on cute pets or apex predators, but these unsung heroes are some of the most impressive and resilient creatures on the planet. So when the Guardian opened its poll to find the world’s finest invertebrate, readers got in touch in their droves. A dazzling array of nominations have flown in for insects, arachnids, snails, crustaceans, corals and many more obscure creatures. Patrick Barkham tells Madeleine Finlay why these tiny creatures deserve more recognition, and three readers, Sandy, Nina and Russell, make the case for their favourites.

Invertebrate of the year 2025: vote for your favourite

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While other diet fads come and go, the ultra low carbohydrate Keto diet seems to endure. But as scientists begin to understand how the diet works, more is also being discovered about its risks. To find out more, Madeleine Finlay speaks to Javier Gonzalez, professor in the department of health at the University of Bath, with a special interest in personal nutrition. He explains how the diet works, what it could be doing to our bodies and what could really be behind the weight loss people experience while on it

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