In 2022 on the island of Borneo, researchers discovered evidence of the earliest known surgical amputation, tens of thousands of years before the advent of modern surgical tools or painkillers. While this is illuminating on the medical expertise and knowledge of our ancestors, we are not the only animal that carry out life-saving amputations. Éanna Ní Lamhna, biologist, environmentalist, broadcaster and author joins Anton to discuss this and other oddities of the natural world.