Related by context. Frequent words. (Click for all words.) 49 Werren 46 Kudela 44 Poinar 44 Brusatte 43 Krupke 43 methanogens 42 AMNH 42 isotope ratios 42 Varki 42 Rubner 41 marine invertebrates 41 diatom 41 microbial ecology 41 Fierer 41 Parizek 41 Cambrian explosion 41 foraminifera 41 diatoms 41 biogeochemistry 41 feathered dinosaurs 41 Eberth 41 Dettinger 41 single celled 40 isotopic 40 Barnosky 40 amphipods 40 Rubinoff 40 geological sciences 40 Lichens 40 Zachos 40 Notkin 40 marine reptiles 40 Benveniste 40 underwater volcanoes 40 Anopheles 40 trilobites 40 paleontology 40 vertebrate paleontology 40 aerosol particles 39 aquatic ecologist 39 nanobacteria 39 behavioral ecologist 39 Melosh 39 systematics 39 isotopic composition 39 plant physiologist 39 abundances 39 stromatolites 39 secondary metabolites 39 Heimowitz 39 arthropods 39 Zwiers 39 trilobite 39 Holen 39 speciation 39 protoplanetary disks 39 hydrothermal vent 39 Zwicky 39 Pellitteri 39 fossilization 39 Mullineaux 38 organochlorines 38 Lunine 38 A'Hearn 38 interfacial 38 Griffel 38 Huettel 38 entomology professor 38 Knipple 38 bioaccumulation 38 insects spiders 38 Frenzen 38 Coauthor 38 Badding 38 postdoctoral researcher 38 chytrid 38 Plotnikoff 38 mass extinctions 38 Vondrak 38 Wigler 38 Grosman 38 Gern 38 calcite 38 Abert 38 Kasting 38 Brian Wansink 38 Bochner 38 Ausubel 38 planktonic 38 isoprene 38 Tatge 37 Huffnagle 37 plesiosaurs 37 Dresselhaus 37 radiocarbon dated 37 fossils 37 PhD postdoctoral fellow 37 Mirin 37 quaggas 37 Lovis 37 Vinther