Ancient biomolecules from deep ice cores reveal a forested southern Greenland.

Eske Willerslev, Enrico Cappellini, Wouter Krogh Boomsma, Rasmus Nielsen, Martin Bay Hebsgaard, Tina Blumensaadt Brand, Michael Hofreiter, Michael Bunce, Hendrik N. Poinar, Dorthe Dahl-Jensen, Sigfus Johann Johnsen, Jørgen Peder Steffensen, Ole Bennike, Jean-Luc Schwenninger, Roger Nathan, Simon Armitage, Cees-Jan de Hoog, Vasily Alfimov, Marcus Christl, Juerg BeerRaimund Muscheler, Joel Barker, Martin Sharp, Kirsty E. H. Penkman, James Haile, Pierre Taberlet, M. Thomas. P. Gilbert, Antonella Casoli, Elisa Campani, Matthew J. CollinsVis 10 andreVis mindre