Yeah that was the most interesting part to me too; we already knew about Vikings in Greenland, but now they have a specific year to pin it too. The science tha

Yeah that was the most interesting part to me too; we already knew about Vikings in Greenland, but now they have a specific year to pin it too. The science that enables that is described in this paper: https://www.nature.com/articles/ncomms2783 https://www.nature.com/articles/ncomms2783