Related by context. Frequent words. (Click for all words.) 52 Kuchner 51 Australopithecus sediba 51 Pääbo 50 Aizenberg 50 hominid species 50 Darwinius 49 Ardipithecus ramidus 49 Ehud Netzer 48 Poinar 48 panspermia 48 paleoanthropologists 48 Roger Highfield 48 Frans de Waal 47 mosasaurs 47 Markram 47 Lunine 47 Permian extinction 47 Sasselov 47 Kepler #b 46 Donald Johanson 46 Stephen Wolfram 46 paleoanthropologist 46 Homo Erectus 46 H. floresiensis 46 Frank Wilczek 46 AMNH 46 Snowball Earth 46 Nicolaus Copernicus 46 Roger Penrose 46 Tycho Brahe 45 Biogeography 45 extrasolar 45 Vernor Vinge 45 Astrophysicist 45 dinosaur extinction 45 prehistoric ancestors 45 paleobiology 45 Djerassi 45 Martian meteorites 45 Amos Kloner 45 Kazantzidis 45 Astrobiology Magazine 44 anthropoids 44 Mlodinow 44 anthropic principle 44 braincase 44 Middle Awash 44 Boisselier 44 Palaeolithic 44 Brigitte Boisselier 44 radiocarbon dated 44 Udry 44 Pterosaurs 44 Elaine Pagels 44 biosignatures 44 coevolution 44 hominid 44 Longrich 44 Lamont Doherty 44 feathered dinosaurs 44 protoplanetary disks 44 primate evolution 44 Paranthropus 44 Foing 44 Krulwich 44 ALH# 44 Planetary scientist 44 Martian meteorite 44 Simcha Jacobovici 44 distant supernovae 43 Cambrian explosion 43 Strieber 43 Ptolemaic 43 Svante Paabo 43 God Particle 43 Ötzi 43 Biblical scholars 43 Tarduno 43 James Lovelock 43 Hawking radiation 43 supersolid 43 Neolithic Age 43 Denegri 43 Raelian movement 43 Sara Seager 43 gastropod 43 crinoids 43 Jenniskens 43 Sauniere 43 paleobiologist 43 supercontinent 43 astrobiologists 43 exquisitely preserved 43 Molecular Ecology 43 heavily cratered 43 Spergel 43 metazoan 43 Durrington Walls 43 Kepler Mission 43 Einstein theories 43 Gliese #g