I didn't realise, but it's not just at Boulby that dark matter is being researched...
http://www.bbc.co.uk/news/science-environment-10751940
Scientists are looking to relocate an underground experiment searching for dark matter to an even deeper site.
Cosmic rays striking the Earth could completely mask the rare dark matter events sought by the experiment.
Team members want to cut out as much of this cosmic ray interference as possible, even if it means moving the experiment 2km below ground.
This could help them positively identify the particles thought to make up dark matter.
Dr Marek Kos, who is a team member on the Cryogenic Dark Matter Search II (CDMSII) project, outlined details at the International Conference on High Energy Physics (ICHEP) in Paris.
He said the experiment could be relocated from a mine in Minnesota to a deeper facility in Ontario, Canada.
my orders are to sit here and watch the world go by