Related by context. All words. (Click for frequent words.) 67 fossils 65 forams 65 marine sediments 64 coprolites 64 radiocarbon dates 63 zircons 63 sedimentary deposits 63 seafloor sediments 63 fossils unearthed 63 Martian meteorites 63 mammal fossils 63 meteorite fragments 62 paleomagnetic 62 lake sediments 62 vertebrate fossils 62 microscopic fossils 62 stromatolites 62 paleoenvironmental 61 radiocarbon dated 61 fluid inclusions 61 sediment cores 61 isotopic ratios 61 stromatolite 61 isotopic composition 61 foraminifera 60 hominid fossils 60 ostracods 60 anamensis 60 sedimentary layers 60 martian meteorites 60 Doushantuo Formation 60 radiocarbon 60 fossil 60 geochronology 60 isotopic compositions 60 Ediacara 60 paleobiologists 60 starch grains 60 Neanderthal fossils 60 conodonts 60 sedimentological 59 partial skeleton 59 microfossil 59 phytoliths 59 palaeo 59 ALH# 59 carbon isotopes 59 elemental composition 59 hominoid 59 fossilized pollen 59 hominid footprints 59 seabed sediments 59 sediments deposited 59 planktonic foraminifera 59 palaeontological 59 Laetoli 59 oxygen isotopes 59 chondritic 59 oxygen isotope ratios 58 sediments 58 hominid fossil 58 carbonate globules 58 carbon isotope ratios 58 fossilized skulls 58 ramidus 58 lavas 58 preserved fossils 58 isotopic signatures 58 jarosite 58 radiocarbon tests 58 Early Cretaceous 58 fossilized remains 58 earliest hominid 58 lunar crust 58 isotope ratios 58 prebiotic molecules 58 seafloor sediment 58 isotopic 58 Ediacaran 58 shell midden 58 stony meteorites 57 Neanderthal bones 57 mineral apatite 57 bryozoans 57 mitochondrial genomes 57 phyllosilicate 57 phyllosilicates 57 speleothems 57 geochemists 57 fossilized skull 57 concretions 57 ornithischians 57 microbialites 57 biosignatures 57 Neanderthal teeth 57 isotopic analysis 57 petrography 57 Neogene 57 invertebrate animals 57 Neoproterozoic 57 bonebed 57 trilobites 57 fossil specimens 57 dinosaur species 56 melt inclusions 56 magnetite crystals 56 coccolithophores 56 lunar soil 56 Qesem Cave 56 coprolite 56 volcanic basalt 56 radiocarbon dating 56 pottery fragments 56 faunal 56 fossilized creatures 56 isotopic signature 56 Paranthropus 56 radiometric dating 56 palaeoclimate 56 mastodon bones 56 mastodon tusk 56 paleoecology 56 sulfur isotope 56 basaltic rocks 56 paleoclimate 56 Cenozoic Era 56 fossilized teeth 56 middens 56 H. habilis 56 Heterodontosaurus 56 Neandertal 56 methane seeps 56 herbarium specimens 56 morphological evolution 55 coral skeletons 55 fossilized coral 55 Middle Paleolithic 55 spectroscopic measurements 55 comet nuclei 55 extinct mammal 55 Toba eruption 55 carbonaceous meteorites 55 metazoans 55 microbial organisms 55 A. ramidus 55 fossilized skeletons 55 carbon spherules 55 hydrated minerals 55 eukaryote 55 Martian meteorite 55 ocean sediment cores 55 vertebrate fossil 55 Middle Awash 55 brachiopods 55 hominin fossils 55 geomorphology 55 macrofauna 55 Murchison meteorite 55 Gohar Tepe 55 snail shells 55 archaeal 55 hydrothermal vent 55 Woese 55 chondrites 55 hominid species 55 Gobero 55 Denisovan 55 primitive meteorites 55 biogeographic 55 chondritic meteorites 55 faunas 55 hydroxyl molecules 55 fossilized footprints 55 Cretaceous Paleogene boundary 55 multicellular animals 55 Dry Valleys 55 carbonyl sulfide 55 ncRNA 55 petrographic 55 choanoflagellates 55 Genyornis 54 green alga Chlamydomonas 54 oxygen isotope 54 presolar grains 54 zircon crystals 54 radiocarbon analysis 54 fossilisation 54 Sahelanthropus 54 mammoth tusks 54 igneous rocks 54 Ardipithecus ramidus 54 geologic 54 Fossilized bones 54 mud volcanoes 54 microbiomes 54 silicate crystals 54 sediment samples 54 isotope composition 54 ichthyosaur 54 metazoan 54 mitochondrial DNA mtDNA 54 Dikika 54 Stromatolites 54 paleobiologist 54 herbivorous dinosaurs 54 melanosomes 54 tholins 54 paleontological 54 Radiocarbon dating 54 mitochondrial genome sequence 54 Ichthyostega 54 molecular phylogenetic 54 skeletal fragments 54 archaea 54 A. sediba 54 interstellar molecules 54 tektites 54 carboniferous 54 carbonaceous chondrite meteorites 54 diatoms 54 sulfur isotopes 54 nitrogen fixation 54 olivine crystals 54 petrological 54 Earthlike planets 54 Columbian mammoth 54 Permian extinction 54 photosynthetic microbes 54 hydrate deposits 54 proteomes 54 palaeontologists 54 bryozoan 54 crinoids 54 Meridiani 54 bryophytes 54 Ohmoto 54 Nectocaris 54 photosynthetic organisms 54 Ice Age mammals 53 single celled algae 53 carbonate minerals 53 potsherds 53 Iguanodon 53 biogeochemical 53 phylogenies 53 animal phyla 53 martian rocks 53 spectroscopic techniques 53 sulfate minerals 53 tetrapods evolved 53 molecular phylogeny 53 coelacanths 53 geoneutrinos 53 Liang Bua 53 ammonites 53 fossilized bones 53 Cambrian Period 53 cometary material 53 fossils excavated 53 carbonaceous material 53 Ileret 53 Gigantopithecus 53 KT boundary 53 Orrorin tugenensis 53 Prochlorococcus 53 macro invertebrates 53 protozoans 53 bony fishes 53 meteorites 53 Middle Pleistocene 53 Blombos 53 Thermus aquaticus 53 mildly alkaline 53 ostracodes 53 long necked sauropod 53 spherules 53 Chlamydomonas 53 archeopteryx 53 carbonaceous chondrites 53 goethite 53 dinosaur footprints 53 fossilized 53 unicellular 53 olivines 53 tyrannosaurids 53 fossilized traces 53 basaltic rock 53 biomineralization 53 Appy Sluijs 53 diatom 53 mammal lineages 53 horned dinosaur 53 Martian rocks 53 Panderichthys 53 Paisley Caves 53 Ventastega 53 halite 53 saline aquifers 53 plastids 53 reanalysed 53 palaeontologist 53 geological formations 53 Sediment cores 53 accelerator mass spectrometry 53 metagenome 53 glaciations 53 vesper bats 53 fine grained sediment 53 dwarf hippos 53 termite mounds 53 Fossils 53 cratons 53 Antarctic Dry Valleys 53 taxa 52 mosasaurs 52 Using radiocarbon dating 52 cnidarians 52 Sinosauropteryx 52 mitochondrial genome 52 Malapa 52 olivine 52 theropod dinosaur 52 Cambrian Explosion 52 Chlamydomonas reinhardtii 52 Martian microbes 52 Europasaurus 52 subglacial 52 iridium layer 52 fungal genomes 52 dromaeosaurid 52 Willerslev 52 sauropodomorphs 52 Neanderthal skeletons 52 interactome 52 terrestrial vertebrates 52 sedimentology 52 marine reptiles 52 fossilization 52 phylogeographic 52 genomic sequence 52 Makovicky 52 diatom species 52 CAIs 52 McMurdo Dry Valleys 52 Paleocene 52 Comparative genomics 52 Acanthostega 52 carbonaceous chondrite 52 megafauna 52 microbial mats 52 habilis 52 paleobiology 52 spectral signatures 52 hominid evolution 52 magnetic monopoles 52 Neanderthal genes 52 roseum 52 steppe mammoth 52 Microraptor gui 52 Radiocarbon 52 Fossilised 52 Microscopic examination 52 sedimentary rock 52 worm C. elegans 52 Kosmoceratops 52 mineralogy 52 anorthosite 52 #S rRNA gene 52 crustal rocks 52 terrestrial ecosystems 52 cosmogenic 52 Carboniferous Period 52 iron oxides 52 megafaunal 52 sea hydrothermal vents 52 anthropoid primates 52 Permo Triassic 52 species Australopithecus afarensis 52 marine plankton 52 Amborella 52 Skhul 52 evolutionary lineage 52 Late Cretaceous 52 mtDNA sequences 52 lunar meteorites 52 Hadar Ethiopia 52 morphological 52 eclogite 52 Osedax 52 hominid skull 52 placental mammals 52 evaporite 52 Siberian mammoths 52 Ground penetrating radar 52 noble gases 52 phylogenetically 52 evolutionary lineages 52 Stegodon 52 fossilized skeleton 52 feathered dinosaurs 52 Homo sapiens evolved 52 tiny single celled 52 petrographic analysis 52 optically stimulated luminescence 52 mosasaur 52 angiosperm 52 chemosynthetic 52 mitochondrial DNA sequences 52 landraces 52 tardigrades 52 Martian craters 52 journal Geology 52 silcrete 52 Cryogenian 52 elemental abundances 52 hominoids 52 morphologies 52 soils 52 chondrules 52 Homo erectus evolved 52 methanogens 52 Mg Ca 52 methanogenesis 52 Devonian Period 52 shell middens 52 Vasari fresco 52 amorphous silica 52 interstellar grains 51 hadrosaur 51 palaeontology 51 rotifer 51 previously undescribed 51 spectroscopic analysis 51 fossilized shells 51 paleoecologist 51 Massospondylus 51 slime molds 51 P. boisei 51 magma ocean 51 olivine rich 51 Kounaves 51 Homo species 51 teosinte 51 claystone 51 Castorocauda 51 Ediacaran Period 51 magmas 51 Navajo Sandstone 51 trackways 51 Noachian era 51 anthropoids 51 uranium ores 51 subglacial lakes 51 Zalasiewicz 51 sulfidic 51 zircon grains 51 paleoclimatic 51 absorption spectra 51 geochemical 51 amphioxus 51 Cenozoic 51 hominin species 51 Siberian permafrost 51 calcareous 51 hominins 51 Leishmania parasites 51 Late Devonian 51 meteor impacts 51 trilobite fossils 51 gastropod 51 Eocene 51 hominid skeleton 51 chimp genomes 51 dwelling organisms 51 postholes 51 Geochemical analyzes 51 marine invertebrates 51 Doushantuo 51 subseafloor 51 Mesozoic mammals 51 ancient supercontinent 51 Moya Sola 51 turbidites 51 southern supercontinent 51 Oligocene epoch 51 dinosaur fossils 51 protists 51 igneous rock 51 Paranthropus robustus 51 vertebrate paleontologist 51 taxon 51 Gorham Cave 51 molar tooth 51 systematics 51 cryovolcanism 51 Taung skull 51 neutrino mass 51 microscopic organisms 51 morphological characteristics 51 prehistoric crocodiles 51 theropod 51 planetesimals 51 Eocene Epoch 51 physicochemical properties 51 bdelloids 51 Xiphactinus 51 archaelogists 51 cosmic phenomena 51 Precambrian 51 paleoclimatology 51 geological strata 51 molluscan 51 RNA sequences 51 Poinar 51 spatial scales 51 spatial variability 51 geological 51 abundances 51 clathrates 51 Noachian 51 Chicxulub impact 51 proteomic analysis 51 cometary dust 51 vertebrate evolution 51 carnivorous dinosaurs 51 morphological traits common 51 plesiosaurs 51 Archaea 51 Carboniferous 51 megadroughts 51 refugia 51 Petrophysical analysis 51 metagenomic 51 holotype 51 isotopic measurements 51 spatially resolved 51 calcium carbonate CaCO3 51 fossilized dinosaur 51 silicate rocks 51 Palaeontology 51 sterile neutrino 51 unicellular algae 51 Rancho La Brea 51 zeolites 51 S. tchadensis 51 ancient hominid 51 placental mammal 51 Tawa hallae 51 multi celled 51 dinosaur specimens 51 phylogenetic relationships 51 isotopic fingerprint 51 Ice Age mammal 51 Eocene epoch 51 Gavin Prideaux 51 bilaterians 51 mtDNA sequence 51 isotope fractionation 51 eluvial 51 biogeographical 51 hydrated silica 51 underwater volcanoes 51 isopods 51 Cuddie Springs 51 landforms 51 subglacial lake 51 flint artifacts 51 yeast genome 51 Late Paleozoic 51 nanobacteria 51 liverwort 50 lateritic 50 eukaryotic 50 Puijila 50 lunar regolith 50 otoliths 50 Pollen grains 50 stalagmite 50 Late Miocene 50 Last Glacial Maximum 50 aragonite 50 Late Triassic 50 archaeological finds 50 Harvati 50 Arabidopsis genome 50 fossilized dinosaur dung 50 Snowball Earth 50 spectroscopically 50 Neanderthal DNA 50 microscopic crystals 50 Hadean 50 Raman spectra 50 brachiopod 50 spinels 50 transcriptomes 50 Ordovician 50 presolar 50 dinosaur fossil 50 komatiites 50 microbial ecosystems 50 Gondwanaland 50 teleost fish 50 organic molecules 50 Quaternary 50 lava tubes 50 supertree 50 siderite 50 bdelloid rotifers 50 mammoths 50 Geochemical analysis 50 #S rRNA 50 Permian Period 50 neutron diffraction 50 metamorphic rocks 50 pottery sherds 50 microbial enzymes 50 depositional environment 50 paleontological discoveries 50 geochemistry 50 archaeo 50 perchlorate salts 50 protist 50 neutrino experiments 50 Pakasuchus 50 Sahelanthropus tchadensis 50 Liang Bua cave 50 methylation patterns 50 baleen whales 50 interstellar dust grains 50 metagenomes 50 silicate minerals 50 continental crust 50 Wassonite 50 prehistoric fossils 50 siliciclastic 50 coralline 50 exo planet 50 specimens 50 surface geochemical anomalies 50 Prevotella 50 cenospheres 50 maternal lineages 50 strontium isotope 50 basalts 50 KIMs 50 Neanderthal genome sequence 50 juvenile Columbian mammoth 50 alluvial deposits 50 Neanderthals interbred 50 nitrogen isotopes 50 spectral fingerprints 50 permanently shadowed craters 50 Radiometric dating 50 nematode worm 50 Palaeontologists 50 physico chemical 50 rocky planets 50 mineralogical 50 lemur species 50 hyrax 50 scroll fragments 50 pillow lavas 50 hippopotamus bones 50 biominerals 50 lunar craters 50 active volcanism 50 lunar magma 50 IR spectra 50 loess 50 Dakosaurus andiniensis 50 lakebed sediments 50 marine organisms 50 glacial geology 50 Diatoms 50 CaCO3 50 Homo ergaster 50 Bacillus thuringiensis bacterium 50 biogenic 50 baleen whale 50 cellulases 50 nitrogen isotope 50 luminescence dating 50 Permian Triassic 50 mineralogist 50 microhabitats 50 osteologist 50 Paleoclimate 50 ribosomal RNA 50 planets atmospheres 50 Late Jurassic 50 earliest hominids 50 lunar meteorite 50 Geochemistry 50 amphorae 50 Upper Jurassic 50 limestone cave 50 Blombos Cave 50 Late Ordovician 50 multicellular organisms 50 lobe finned fishes 50 palaeoanthropologist 50 floresiensis 50 deglaciation 50 G#.# +#.# 50 sedimentary 50 braincase 50 geochemical analyzes 50 enterotypes 50 hydrocarbon reservoirs 50 evolutionary relatedness 50 lichens 50 dolomites 50 soluble proteins 50 phylogenetic analysis 50 Mare aux 50 biogeochemical processes 50 multi celled organisms 50 superheavy elements 50 extremophile 50 multicellular creatures 50 primate lineage 50 malaria parasite genome 50 smectite 50 undersea volcanoes 50 prehistoric lizard 50 quaggas 50 biogeography 50 paleochannel 50 abiotic 50 sauropod 50 Sphagnum 50 benthic foraminifera 50 arsenate 49 duck billed hadrosaur 49 ammonite 49 Fossilized 49 biological molecules 49 endophytic 49 Deinococcus 49 extremophiles 49 Paleocene Eocene Thermal Maximum 49 primate genomes 49 nicknamed Ardi 49 skull fragments 49 prokaryotes 49 yeast prions 49 stable isotope 49 Allende meteorite 49 Lake Vostok 49 botanical specimens 49 silicate mineral 49 astrobiologists 49 WMAP satellite 49 FFPE tissue samples 49 Dromomeron 49 geomorphic 49 planaria 49 NanoSIMS 49 embayment 49 hydrothermal activity 49 sauropod dinosaur 49 mineralogical composition 49 element osmium 49 radula 49 sediment 49 Spinosaurus 49 genetic lineages 49 angiosperms 49 mineral hematite 49 Pääbo 49 Paleogene 49 hematite mineral 49 mineral olivine 49 photochemical reactions 49 single celled microorganisms 49 Palaeocene Eocene Thermal Maximum 49 Burgess Shale 49 sauropods 49 terranes 49 Asilisaurus 49 Bedout 49 green alga 49 Australopithecus africanus 49 differentially expressed proteins 49 submarine volcanoes 49 Middle Palaeolithic 49 ultramafic intrusives 49 planet habitability 49 nematode worm Caenorhabditis elegans 49 regolith 49 archaeological 49 Aurignacian 49 symbioses 49 fungal strains 49 Sedimentary rocks 49 mammalian genomes 49 nematode Caenorhabditis elegans 49 plagioclase 49 Archaean 49 Australopithecus sediba 49 microcrystals 49 karst terrain 49 gene duplications 49 prebiotic chemistry 49 starch granules 49 freshwater snail 49 chordate 49 crinoid 49 photosynthetic bacteria 49 atmospheric aerosols 49 Tagish Lake meteorite 49 ferruginous 49 T.rex 49 isotope geochemistry 49 Sarahsaurus 49 outcrop exposures 49 Triassic Jurassic 49 prehuman 49 bacterial mats 49 annelid worms 49 cremation burials 49 zinc sulfide 49 prokaryotic 49 Homo antecessor 49 archeologically 49 Syrtis Major 49 bedrock outcrops 49 concretion 49 Fossil hunters 49 flood basalts 49 Irmis 49 volcanism 49 helium isotope 49 endosymbiosis 49 fossilized specimens 49 carbonate sediments 49 Laetoli footprints 49 thermophiles 49 papyri 49 Ardipithecus 49 extrasolar 49 spider silks 49 U Th 49 geology paleontology 49 archeologists unearthed 49 mya 49 erectus skulls 49 sulfide minerals 49 fossils dating 49 fecal pellets 49 biota 49 Olduvai Gorge 49 Brigham Grette 49 relict 49 Sauropod 49 Kuiper Belt Objects 49 Mars Squyres 49 paleontologists 49 supercontinents 49 Rugops 49 sulphide mineral 49 Linheraptor 49 terrestrial mammals 49 Cyanobacteria 49 Tertiary Period 49 depositional 49 isotopic variations 49 Sima de los 49 Laonastes 49 Cenozoic era 49 ornithopod 49 Xenopus 49 coral reef biodiversity 49 supercontinent 49 fossilized dinosaur eggs 49 Volvox 49 CSHL scientists 49 ferric oxides 49 scanning electron microscopy 49 autotrophic 49 abiogenesis 49 insect larva 49 splice junctions 49 thermophilum 49 glaciation 49 Turkana Basin 49 basalt volcanic 49 Tarbosaurus 49 robustus 49 Laetoli Tanzania 49 Acheulian 49 placer workings 49 organic compounds 49 oxygen isotopic composition 49 titanosaurs 49 layered ultramafic 49 A. africanus 49 Caenorhabditis 49 flatfishes 49 subsurface geology 49 quartz grains 49 Anthony Barnosky 49 horned dinosaurs 49 Permian Triassic boundary 49 epiblast stem cells 49 Cerling 49 astrophysical objects 49 Middle Eocene 49 KBOs 49 invertebrate species 48 theropod dinosaurs 48 echinoderms 48 long necked dinosaur 48 terra preta 48 marine biota 48 liverworts 48 solar nebula 48 cicada carcasses 48 tyrannosaurs 48 osmium 48 Lasius 48 feathered dinosaur 48 Hominid 48 Eske Willerslev 48 primitive organisms 48 xenoliths 48 geologic formations 48 sedimentary rocks 48 limestone caves 48 algal species 48 hand axes scrapers 48 Jakob Vinther 48 PancakeCroc 48 Mojzsis 48 Anomalocaris 48 Cretaceous Paleogene 48 megaflood 48 woolly mammoths 48 Berkeley Geochronology Center 48 branching corals 48 interglacial periods 48 archeological artifacts 48 apatite 48 Cretaceous Tertiary boundary 48 Dauphas 48 single celled 48 Pliocene 48 photosynthetic pigments 48 Neandertal DNA 48 gabbros 48 P. patens 48 Jurassic Period 48 Basilosaurus 48 isotope ratio 48 archeological 48 globulars 48 sulfate salts 48 thermodynamic calculations 48 organism genome 48 Abydosaurus 48 Polycyclic aromatic hydrocarbons 48 primate fossil 48 REE bearing 48 hadrosaurs 48 Nuvvuagittuq greenstone belt 48 Chankillo 48 Computer simulations 48 mollusk shells 48 KT extinction 48 micrographs 48 cryo electron microscopy 48 warm bloodedness 48 calcite 48 dinosaur bones 48 cDNAs 48 Yixian Formation 48 Paleozoic era 48 X ray crystallographic 48 mammalian fatty acid 48 huxleyi 48 phosphonate 48 photochemistry 48 monazite 48 marine ecologists 48 bacterial genomes 48 nebular 48 Elwyn Simons 48 Milford Wolpoff 48 antifreeze proteins 48 atmospheric nitrogen 48 ribosomal RNA rRNA 48 maternal lineage 48 unicellular organisms 48 exoplanet atmospheres 48 Palaeozoic 48 bird Archaeopteryx 48 mammoth tusk 48 karst topography 48 rumen fluid