By Cecilia Adamou & Chay Quinn Archaeologists have revealed they are in a ‘race against time’ to uncover the secrets behind a mysterious underwater Stone Age settlement that sits at the bottom of a shipping lane before it erodes away completely. Bouldnor Cliff is situated 11 metres (36 feet) underwater at the bottom of the Solent, a channel between the UK and the Isle of Wight, and is believed by experts to date all the way back to the Mesolithic period of the Stone Age, between the years 10,000 and 8,000BC. The settlement could be crucial to understanding the early days of Britain as an islan…