THE latest addition to the Megalithic Survey of England and Wales (“Map of South Wales showing the Distribution of Long Barrows and Megaliths”. Compiled by F. W. Grimes. Southampton: Ordnance ...

An updated map showing the areas in the UK most affected by radon has been published by the UK Health Security Agency (UKHSA) and the British Geological Survey (BGS). Radon is a colourless and ...