Asked by: Edward Seymour, Hove
They could theoretically have used a flint edge to trim them, or a rough stone to file them down. However, we don’t have any firm evidence of ‘cavemanicure’ at all, since no fingernails or toenails survive from any Stone Age burial sites.
If you spend your day walking barefoot and scraping up roots with your hands, your nails will wear down naturally, which is why they have evolved to keep growing throughout our lives.
Luis trained as a zoologist, but now works as a science and technology educator. In his spare time he builds 3D-printed robots, in the hope that he will be spared when the revolution inevitably comes.