Related by context. Frequent words. (Click for all words.) 49 naturally occuring 49 secondary metabolites 49 sorption 49 hygroscopic 48 abiotic 47 oxidising 47 Scientists theorize 47 symbiont 47 oxidise 47 nutrient uptake 47 naturally occurring 47 extrasolar 47 Shewanella 46 pathogenic organisms 46 hydroxyl radicals 46 oxidizes 46 bacterial toxins 45 isoprene 45 microbial ecology 45 photochemistry 45 prokaryotic 45 Ultraviolet light 45 physicochemical 45 acidify 44 crosslinking 44 biogeochemical 44 ultracold 44 carbonic acid 44 arid climates 44 absorbs carbon dioxide 44 Toxoplasma gondii 43 Bt toxin 43 peroxides 43 protozoan 43 adsorption 43 tannic acid 43 nucleation 43 nanotechnological 43 aragonite 43 protectants 43 bioaccumulation 43 goethite 42 asparagine 42 Lunine 42 naturally occurring mineral 42 ionize 42 polyamines 42 ultra violet radiation 42 Hydrogen peroxide 42 biogeochemistry 42 isotope ratios 42 potent greenhouse gas 42 antimicrobial peptides 42 nonliving 42 interfacial 42 protoplanetary disk 42 Bacillus subtilis 42 biological molecules 41 decaying vegetation 41 photocatalytic 41 single celled 41 noble gases 41 Geobacter 41 soluble 41 desiccation 41 hydrologic cycle 41 microbial 41 biological 41 Varki 41 microorganisms 41 methanogens 41 aerosol particles 41 Sasisekharan 41 fluxing 41 icy crust 41 parasitoids 41 microorganism 41 dehydrates 41 microbial pathogens 41 organisms 41 photosynthetic 41 absorbs moisture 41 chemical 41 atmospheric nitrogen 41 bioavailable 40 microbes 40 biosynthetic 40 toxicant 40 oxidizing 40 isotopic composition 40 Melott 40 diatom 40 reactant 40 synthetic peptides 40 nanosensor 40 weaponizing 40 reproduce asexually 40 acidic soils 40 chloroplast 40 water vapor 40 redox