If humans and other animals were living in the same environment, why didn’t other animals evolve like us? – question submitted by Sami, aged 13, London, UK.
When we think of food in the past, it is often images of Henry VIII with a table groaning with meat dishes that springs to mind. But in fact our ancestors knew more about the health benefits of eating salads – normally thought of as a cold dish of herbs or vegetables – than we might think.