Crumbling historic buildings could be protected by a new clear coating derived from olive oil by scientists from Cardiff University.

TWO Wrexham signmakers put the finishing touches on a new coat of arms for the town’s university more than 20 years after learning their trade in its main building.

The Cardiff scientists developed the coating while working on York Minster Crumbling historic buildings could be protected by a new clear coating derived from olive oil by scientists from Cardiff ...