Related by context. Frequent words. (Click for all words.) 54 Arctic permafrost 50 Bone fragments 50 Missing hiker 49 unmarked mass graves 49 Siberian permafrost 49 Charred bodies 49 marine sediments 48 melting glacier 48 loess 47 Antarctic glacier 46 Mummified 46 subarctic 45 Decomposed body 45 decaying vegetation 45 Ötzi 45 volcanic lava 45 fossilized skull 44 horribly mutilated 44 Skeletal remains 44 permanently shadowed craters 44 decaying corpses 44 putrid sludge 44 Huge chunks 44 permafrost 44 Weddell Sea 44 lay splayed 44 sedimentary layers 44 Otzi 44 Lava flows 44 Altai Mountains 43 Cagsawa 43 corpse 43 Alaskan tundra 43 decaying flesh 43 staghorn coral 43 Rat poison 43 mummified body 43 grayish white 43 Lake Vostok 43 corpses 43 Oetzi 43 subalpine 43 unburied 43 rotting vegetation 43 Fossilized 42 coniferous forests 42 rotting carcasses 42 thick layer 42 decomposing corpse 42 Beringia 42 Melting glaciers 42 drank rainwater 42 waxy substance 42 urns containing 42 partially decomposed 42 chalky white 42 Microorganisms 42 nasal cavities 42 desiccated 42 porous limestone 42 dug mass graves 42 Selkirk Mountains 42 taiga 41 Arctic tundra 41 thaw cycles 41 Nares Strait 41 Clumps 41 fruiting bodies 41 Maria Frances Lauterbach 41 Greenland glacier 41 Siberian tundra 41 unclaimed corpses 41 hummocks 41 Anthrax spores 41 glacial ice 41 subglacial 41 receding glaciers 41 Alpine glaciers 41 bleached bones 41 Sediments 41 Zapadnaya mine 41 burial shroud 41 undersea volcanoes 40 Disfigured 40 Sardjito hospital 40 cremated ashes 40 brushwood 40 blackened wreckage 40 Poinar 40 gastrointestinal tracts 40 Higashimatsushima 40 mud volcanoes 40 Dismembered 40 horned dinosaur 40 Scientists theorize 40 decomposing corpses 40 Norris Geyser Basin 40 mammoth tusks 40 lichen 40 molten rocks 40 mudstone