A new project is hoping to save the threatened British swallowtail butterfly (Papilio machaon britannicus) by rearing the insects from frozen eggs – a process known as cryopreservation, where biologic

Happy New (wildlife-watching) Year to all readers, says James Lowen

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To celebrate WDDTY ’s 150th issue, we’ve trawled through our immense database to bring you 150 of the best tips for living a long and healthy life. To find out more about any of these, use the search function on wddty.com . Here’s to a healthy 2026 and beyond!

How dead plants and animals decay, and how living organisms rely on this natural process to survive

Nadia Shaikh watches out for signs of life each February, the month that gives us a teaser trailer for spring