Researchers had discovered a spruce with genetic material dating back 9,550 years in the Fulu mountain in Dalarna, according to Leif Kullmann, a professor of Physical Geography at the university in northwestern Sweden.

• 该大学的自然地理学教授雷夫?卡尔曼说，研究人员在位于瑞典达拉那的浮露山上发现了一棵携带有9550年前遗传物质的云杉。