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!

Luckily, in our British Isles, our “drift” maps, on a reasonable scale, go far to satisfy both requirements. Stanford's Geological Atlas of Great Britain (based on Reynolds's Geological Atlas).

Later, locals Haniyah and Lola will be helping me understand a lot more about using a map to navigate around ... the two largest islands within the British Isles. The biggest island is called ...