Link: http://www.bbc.co.uk/news/science-environment-17235229
http://news.bbc.co.uk/2/hi/europe/7353357.stm
It was know that trees in scandinavia decend from same ancestors which came from south after the Ice Age. Recenly studies of DNA have discovered that there are two types of trees in Scandinavia. The ones that come from south and the new discovered ones that decend from conifers trees that survived last Ice Age. This discover challenges the traditional notions that all trees were killed off by the ice.
One hypothesis is that trees were able to survive on the top of nunataks, the exposed peaks of mountains protected from glacial cover, or in more sheltered areas close to the coast where proximity to the temperate conditions of the Atlantic Ocean favoured the survival of this ancient trees.
After that discover some experts searched and found near scandinavia the oldest tree in the world. This tree seems to be 10.000 years old and it's now holding the World Guinnes Record, it took it form a californian tree that have 4700 years old aproximately.
