New DNA results has shed light on Iron Age use of whale bone and the remarkable process of ending a broch two thousand years ago.
Cairn and the whale bones
![](https://i0.wp.com/orkneyarchaeologysociety.org.uk/wp-content/uploads/2020/03/The-whalebone-across-the-site-which-has-been-DNA-tested-700.jpg?fit=700%2C331&ssl=1)
New DNA results has shed light on Iron Age use of whale bone and the remarkable process of ending a broch two thousand years ago.