所展示的证据来源广泛，从岩心钻探到在伊斯坦布尔和意大利的国家档案馆新发现的中世纪财政记录。

The evidence comes from everything from core drilling to medieval financial records newly uncovered from state archives in Istanbul and Italy.

以上研究证据来源自纽卡斯尔大学研究人员提出的“表观遗传学”，他们研究过9-11周岁小孩的基因组织。

The latest evidence for the theory, which is known as epigenetics, comes from researchers at Newcastle University who analyzed the genes of children aged between nine and 11.