During the early and middle stone age, before the advent of farming, humankind were nomadic hunter-gatherers. Groups of people would move from place to place hunting, fishing, picking leaves, nuts and fruits and digging roots.
This lifestyle persisted for several thousand years and in Britain, available food would have changed gradually as ice ages came and went. When prising leeks, parsnips and celeriac from cold wet soil in the midst of winter I like to think about these distant ancestors. Their knowledge of what they could eat and where to find it must have been astounding. By contrast, and even though foraging is growing in popularity, many modern humans have
