Related by context. Frequent words. (Click for all words.) 57 Nicolaus Copernicus 54 Gondwanaland 53 Claude Levi Strauss 53 Johannes Kepler 53 Tubingen 53 Heinrich Heine 52 Niels Bohr 52 Gregor Mendel 51 Göttingen 51 Linnaeus 51 ethnologist 51 Martin Heidegger 50 Paul Dirac 50 philologist 50 warmings 50 Snowball Earth 50 Finnish Meteorological 50 Alfred Wegener Institute 50 Leibniz Institute 50 Universität 49 Antarctica 49 Johann Wolfgang von Goethe 49 polar expeditions 49 Eric Rignot 49 Beringia 49 Svalbard archipelago 49 Werner Heisenberg 49 Dry Valleys 49 physicist Albert Einstein 49 Bolzano Italy 49 quantum physicist 49 theoreticians 49 Ice Ages 49 Neuchâtel 48 Limnology 48 glaciations 48 Münster 48 Carl Linnaeus 48 oceanographers 48 Harald zur Hausen 48 Willerslev 47 Paracelsus 47 Galileo Galilei 47 Ludwig Wittgenstein 47 Le Clézio 47 biogeography 47 WG Sebald 47 Blaise Pascal 47 Hannah Arendt 47 Kassel Germany 47 Tycho Brahe 47 Leibniz 47 classical antiquity 47 Thor Heyerdahl 47 Lavoisier 47 climatology 47 Little Ice Age 47 Helmholtz 47 Institut für 47 Romanovsky 47 Gerhard Ertl 46 Venusian 46 Crutzen 46 heliocentric 46 James Lovelock 46 polar vortex 46 continental drift 46 Rene Descartes 46 glaciology 46 Pierre Curie 46 Alpine glaciers 46 Southern Observatory ESO 46 Paul Crutzen 46 Hohenheim 46 Helmholtz Centre 46 Weddell Sea 46 RWTH Aachen University 46 Goethe 46 atmospheric physicist 46 Niels Bohr Institute 46 paleoclimatologist 46 Spitzbergen 46 Freidrich 46 climatologists 46 climate modelers 46 Günther 45 Medieval Warm Period 45 Glazov 45 Palaeontology 45 Szilard 45 fractal geometry 45 palaeontology 45 TU Delft 45 Romantic poets 45 HMS Beagle 45 parapsychology 45 Jülich 45 Linköping University 45 landmasses 45 supercontinent 45 Geographical Society