This is a genetic map of the British Isles, based on work by Professor Jim Wilson from the University of Edinburgh's Usher Institute and MRC Human Genetics Unit. Disclaimer: AAAS and EurekAlert!

Originating in the later Bronze Age (1000 BC - 800 BC), the hill forts of the early Iron Age are found over a wide area of the British Isles: in Scotland (Finavon Fort in Angus), Wales (The ...