Related by context. Frequent words. (Click for all words.) 60 manganese oxide 60 lipid bilayer 58 membranous 58 conical shaped 58 cartilaginous 58 DNA helix 57 snail shells 57 SWNT 56 cylindrical 56 lamina 56 threadlike 56 hollow tubes 56 Neutron stars 56 Fig. 1A 56 solutes 56 scanning electron microscopes 55 globular 55 wormlike 55 toroidal 55 cuboid 55 waxy substance 55 nonmagnetic 55 morphologies 55 polymer coated 55 scalloped edges 55 arcuate 54 borosilicate glass 54 salt crystals 54 unicellular 54 papillae 54 nanosized 54 electrically conducting 54 tubules 54 #cm diameter 54 protuberances 54 nanocrystalline 53 spicules 53 epithelia 53 chondrules 53 braincase 53 paramagnetic 53 rectangular shaped 53 polymerized 53 tiny pores 53 Diatoms 53 dentine 53 nonpolar 53 gyres 53 honeycomb structure 53 Inconel 53 hemispherical 53 microfabricated 53 bacterium Escherichia coli 53 diatom 53 microstructures 52 ellipsoid 52 nanoporous 52 tetrahedron 52 synovial 52 serrated edges 52 glasslike 52 elliptic 52 soliton 52 SiO 2 52 morphology 52 lobed 52 boron nitride 52 soft pliable 52 hypoechoic 52 nanometers billionths 52 greenish brown 52 lamellar 52 micrometre 52 pinhead sized 52 temperature gradients 52 snail shell 52 hexagonal 52 graphene sheet 52 echinoderms 52 staghorn 52 nanorod 52 Supplementary Fig 52 Cylindrical 52 lithic 52 torus 52 carbides 51 aragonite 51 lunar soil 51 flatworms 51 tetrahedral 51 laminar 51 diametre 51 Figs. 51 MWCNTs 51 thin walled 51 ovoid 51 laminae 51 otolith 51 concretions 51 magma ocean 51 striations