Related by context. Frequent words. (Click for all words.) 58 Snowball Earth 53 Richard Feynman 52 high temperature superconductivity 52 Cambrian explosion 51 fossilization 50 radiocarbon 50 astrobiologists 50 antiprotons 50 solar nebula 50 theoretical calculations 49 paleoclimate 49 Type Ia supernovae 49 Hawking radiation 49 thermoelectric materials 49 galaxy formation 49 laboratory experiments 49 E = mc2 49 Hubble observations 49 irreducible complexity 49 astrobiology 49 quantum optics 49 Zewail 49 superconducting materials 49 marine sediments 49 abiotic 49 evolutionary biologists 49 phenomenological 49 stromatolites 49 nitrogen fixation 48 evolutionist 48 prokaryotes 48 double helix structure 48 numerical simulations 48 multicellular organisms 48 physicists 48 Francis Crick 48 feathered dinosaurs 48 angiosperms 48 irreducibly complex 48 high temperature superconductors 48 supernova explosions 48 eugenics movement 48 zeolites 48 Darwinian evolution 48 Feynman 47 climate modelers 47 biological molecules 47 syntheses 47 Polanyi 47 microfossils 47 mass extinctions 47 evolutionists 47 Nobelist 47 Nature Methods 47 neutron scattering 47 supernovae 47 isotope ratios 47 Synthetic biology 47 Darwinian theory 47 prebiotic 47 eukaryotic cells 47 cosmologists 47 quark gluon plasma 47 supernova explosion 47 evolutionary theory 47 Bose Einstein condensate 47 Big Bang theory 47 HHMI investigator 47 quantum entanglement 47 journal Applied Physics 47 Linus Pauling 47 cosmological 47 cuprates 47 plate tectonics 47 Crutzen 47 Cepheids 47 cosmology 47 Nicolaus Copernicus 47 Filippenko 47 scientism 46 astrophysical 46 subatomic particle 46 methanogens 46 primordial soup 46 biomimetic 46 frequency comb 46 atmospheric methane 46 perovskite 46 organic molecules 46 chemical reactions 46 Brownian motion 46 Neu5Gc 46 oxygen isotopes 46 superfluidity 46 holography 46 classical antiquity 46 ionic liquids 46 Stanley Milgram 46 single celled organisms 46 placental mammals 46 DNA double helix